                         SEQUENCE LISTING

<110>  Alpine Immune Sciences, Inc.
       SWANSON, Ryan
       KORNACKER, Michael
 
<120>  ICOSL Variant Immunomodulatory Proteins and Uses Thereof

<130>  761612000340

<140>  Not Yet Assigned     
<141>  Concurrently Herewith

<150>  62/323,608
<151>  2016-04-15

<150>  62/394,745
<151>  2016-09-14

<150>  62/410,842
<151>  2016-10-20

<150>  62/472,568
<151>  2016-03-16

<150>  62/475,162
<151>  2016-03-22

<160>  544   

<170>  PatentIn version 3.5

<210>  1
<211>  288
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD80(B7-1)

<400>  1

Met Gly His Thr Arg Arg Gln Gly Thr Ser Pro Ser Lys Cys Pro Tyr 
1               5                   10                  15      


Leu Asn Phe Phe Gln Leu Leu Val Leu Ala Gly Leu Ser His Phe Cys 
            20                  25                  30          


Ser Gly Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu 
        35                  40                  45              


Ser Cys Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile 
    50                  55                  60                  


Tyr Trp Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp 
65                  70                  75                  80  


Met Asn Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr 
                85                  90                  95      


Asn Asn Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly 
            100                 105                 110         


Thr Tyr Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg 
        115                 120                 125             


Glu His Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr 
    130                 135                 140                 


Pro Ser Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile 
145                 150                 155                 160 


Ile Cys Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu 
                165                 170                 175     


Glu Asn Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp 
            180                 185                 190         


Pro Glu Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met 
        195                 200                 205             


Thr Thr Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg 
    210                 215                 220                 


Val Asn Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro 
225                 230                 235                 240 


Asp Asn Leu Leu Pro Ser Trp Ala Ile Thr Leu Ile Ser Val Asn Gly 
                245                 250                 255     


Ile Phe Val Ile Cys Cys Leu Thr Tyr Cys Phe Ala Pro Arg Cys Arg 
            260                 265                 270         


Glu Arg Arg Arg Asn Glu Arg Leu Arg Arg Glu Ser Val Arg Pro Val 
        275                 280                 285             


<210>  2
<211>  329
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD86(B7-2)

<400>  2

Met Asp Pro Gln Cys Thr Met Gly Leu Ser Asn Ile Leu Phe Val Met 
1               5                   10                  15      


Ala Phe Leu Leu Ser Gly Ala Ala Pro Leu Lys Ile Gln Ala Tyr Phe 
            20                  25                  30          


Asn Glu Thr Ala Asp Leu Pro Cys Gln Phe Ala Asn Ser Gln Asn Gln 
        35                  40                  45              


Ser Leu Ser Glu Leu Val Val Phe Trp Gln Asp Gln Glu Asn Leu Val 
    50                  55                  60                  


Leu Asn Glu Val Tyr Leu Gly Lys Glu Lys Phe Asp Ser Val His Ser 
65                  70                  75                  80  


Lys Tyr Met Gly Arg Thr Ser Phe Asp Ser Asp Ser Trp Thr Leu Arg 
                85                  90                  95      


Leu His Asn Leu Gln Ile Lys Asp Lys Gly Leu Tyr Gln Cys Ile Ile 
            100                 105                 110         


His His Lys Lys Pro Thr Gly Met Ile Arg Ile His Gln Met Asn Ser 
        115                 120                 125             


Glu Leu Ser Val Leu Ala Asn Phe Ser Gln Pro Glu Ile Val Pro Ile 
    130                 135                 140                 


Ser Asn Ile Thr Glu Asn Val Tyr Ile Asn Leu Thr Cys Ser Ser Ile 
145                 150                 155                 160 


His Gly Tyr Pro Glu Pro Lys Lys Met Ser Val Leu Leu Arg Thr Lys 
                165                 170                 175     


Asn Ser Thr Ile Glu Tyr Asp Gly Val Met Gln Lys Ser Gln Asp Asn 
            180                 185                 190         


Val Thr Glu Leu Tyr Asp Val Ser Ile Ser Leu Ser Val Ser Phe Pro 
        195                 200                 205             


Asp Val Thr Ser Asn Met Thr Ile Phe Cys Ile Leu Glu Thr Asp Lys 
    210                 215                 220                 


Thr Arg Leu Leu Ser Ser Pro Phe Ser Ile Glu Leu Glu Asp Pro Gln 
225                 230                 235                 240 


Pro Pro Pro Asp His Ile Pro Trp Ile Thr Ala Val Leu Pro Thr Val 
                245                 250                 255     


Ile Ile Cys Val Met Val Phe Cys Leu Ile Leu Trp Lys Trp Lys Lys 
            260                 265                 270         


Lys Lys Arg Pro Arg Asn Ser Tyr Lys Cys Gly Thr Asn Thr Met Glu 
        275                 280                 285             


Arg Glu Glu Ser Glu Gln Thr Lys Lys Arg Glu Lys Ile His Ile Pro 
    290                 295                 300                 


Glu Arg Ser Asp Glu Ala Gln Arg Val Phe Lys Ser Ser Lys Thr Ser 
305                 310                 315                 320 


Ser Cys Asp Lys Ser Asp Thr Cys Phe 
                325                 


<210>  3
<211>  290
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD274 (PD-L1, B7-H1)

<400>  3

Met Arg Ile Phe Ala Val Phe Ile Phe Met Thr Tyr Trp His Leu Leu 
1               5                   10                  15      


Asn Ala Phe Thr Val Thr Val Pro Lys Asp Leu Tyr Val Val Glu Tyr 
            20                  25                  30          


Gly Ser Asn Met Thr Ile Glu Cys Lys Phe Pro Val Glu Lys Gln Leu 
        35                  40                  45              


Asp Leu Ala Ala Leu Ile Val Tyr Trp Glu Met Glu Asp Lys Asn Ile 
    50                  55                  60                  


Ile Gln Phe Val His Gly Glu Glu Asp Leu Lys Val Gln His Ser Ser 
65                  70                  75                  80  


Tyr Arg Gln Arg Ala Arg Leu Leu Lys Asp Gln Leu Ser Leu Gly Asn 
                85                  90                  95      


Ala Ala Leu Gln Ile Thr Asp Val Lys Leu Gln Asp Ala Gly Val Tyr 
            100                 105                 110         


Arg Cys Met Ile Ser Tyr Gly Gly Ala Asp Tyr Lys Arg Ile Thr Val 
        115                 120                 125             


Lys Val Asn Ala Pro Tyr Asn Lys Ile Asn Gln Arg Ile Leu Val Val 
    130                 135                 140                 


Asp Pro Val Thr Ser Glu His Glu Leu Thr Cys Gln Ala Glu Gly Tyr 
145                 150                 155                 160 


Pro Lys Ala Glu Val Ile Trp Thr Ser Ser Asp His Gln Val Leu Ser 
                165                 170                 175     


Gly Lys Thr Thr Thr Thr Asn Ser Lys Arg Glu Glu Lys Leu Phe Asn 
            180                 185                 190         


Val Thr Ser Thr Leu Arg Ile Asn Thr Thr Thr Asn Glu Ile Phe Tyr 
        195                 200                 205             


Cys Thr Phe Arg Arg Leu Asp Pro Glu Glu Asn His Thr Ala Glu Leu 
    210                 215                 220                 


Val Ile Pro Glu Leu Pro Leu Ala His Pro Pro Asn Glu Arg Thr His 
225                 230                 235                 240 


Leu Val Ile Leu Gly Ala Ile Leu Leu Cys Leu Gly Val Ala Leu Thr 
                245                 250                 255     


Phe Ile Phe Arg Leu Arg Lys Gly Arg Met Met Asp Val Lys Lys Cys 
            260                 265                 270         


Gly Ile Gln Asp Thr Asn Ser Lys Lys Gln Ser Asp Thr His Leu Glu 
        275                 280                 285             


Glu Thr 
    290 


<210>  4
<211>  273
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  PDCD1LG2(PD-L2, CD273)

<400>  4

Met Ile Phe Leu Leu Leu Met Leu Ser Leu Glu Leu Gln Leu His Gln 
1               5                   10                  15      


Ile Ala Ala Leu Phe Thr Val Thr Val Pro Lys Glu Leu Tyr Ile Ile 
            20                  25                  30          


Glu His Gly Ser Asn Val Thr Leu Glu Cys Asn Phe Asp Thr Gly Ser 
        35                  40                  45              


His Val Asn Leu Gly Ala Ile Thr Ala Ser Leu Gln Lys Val Glu Asn 
    50                  55                  60                  


Asp Thr Ser Pro His Arg Glu Arg Ala Thr Leu Leu Glu Glu Gln Leu 
65                  70                  75                  80  


Pro Leu Gly Lys Ala Ser Phe His Ile Pro Gln Val Gln Val Arg Asp 
                85                  90                  95      


Glu Gly Gln Tyr Gln Cys Ile Ile Ile Tyr Gly Val Ala Trp Asp Tyr 
            100                 105                 110         


Lys Tyr Leu Thr Leu Lys Val Lys Ala Ser Tyr Arg Lys Ile Asn Thr 
        115                 120                 125             


His Ile Leu Lys Val Pro Glu Thr Asp Glu Val Glu Leu Thr Cys Gln 
    130                 135                 140                 


Ala Thr Gly Tyr Pro Leu Ala Glu Val Ser Trp Pro Asn Val Ser Val 
145                 150                 155                 160 


Pro Ala Asn Thr Ser His Ser Arg Thr Pro Glu Gly Leu Tyr Gln Val 
                165                 170                 175     


Thr Ser Val Leu Arg Leu Lys Pro Pro Pro Gly Arg Asn Phe Ser Cys 
            180                 185                 190         


Val Phe Trp Asn Thr His Val Arg Glu Leu Thr Leu Ala Ser Ile Asp 
        195                 200                 205             


Leu Gln Ser Gln Met Glu Pro Arg Thr His Pro Thr Trp Leu Leu His 
    210                 215                 220                 


Ile Phe Ile Pro Phe Cys Ile Ile Ala Phe Ile Phe Ile Ala Thr Val 
225                 230                 235                 240 


Ile Ala Leu Arg Lys Gln Leu Cys Gln Lys Leu Tyr Ser Ser Lys Asp 
                245                 250                 255     


Thr Thr Lys Arg Pro Val Thr Thr Thr Lys Arg Glu Val Asn Ser Ala 
            260                 265                 270         


Ile 
    


<210>  5
<211>  302
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  ICOSLG(B7RP1, CD275, ICOSL, B7-H2)

<400>  5

Met Arg Leu Gly Ser Pro Gly Leu Leu Phe Leu Leu Phe Ser Ser Leu 
1               5                   10                  15      


Arg Ala Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp 
            20                  25                  30          


Val Glu Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn 
        35                  40                  45              


Asp Val Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr 
    50                  55                  60                  


Tyr His Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr 
65                  70                  75                  80  


Arg Asn Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe 
                85                  90                  95      


Ser Leu Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His 
            100                 105                 110         


Cys Leu Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val 
        115                 120                 125             


Glu Val Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser 
    130                 135                 140                 


Ala Pro His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser 
145                 150                 155                 160 


Ile Asn Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp 
                165                 170                 175     


Asn Ser Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn 
            180                 185                 190         


Met Arg Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr 
        195                 200                 205             


Pro Ser Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln 
    210                 215                 220                 


Asn Leu Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp 
225                 230                 235                 240 


Lys Ile Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
                245                 250                 255     


Trp Ser Ile Leu Ala Val Leu Cys Leu Leu Val Val Val Ala Val Ala 
            260                 265                 270         


Ile Gly Trp Val Cys Arg Asp Arg Cys Leu Gln His Ser Tyr Ala Gly 
        275                 280                 285             


Ala Trp Ala Val Ser Pro Glu Thr Glu Leu Thr Gly His Val 
    290                 295                 300         


<210>  6
<211>  534
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD276(B7-H3)

<400>  6

Met Leu Arg Arg Arg Gly Ser Pro Gly Met Gly Val His Val Gly Ala 
1               5                   10                  15      


Ala Leu Gly Ala Leu Trp Phe Cys Leu Thr Gly Ala Leu Glu Val Gln 
            20                  25                  30          


Val Pro Glu Asp Pro Val Val Ala Leu Val Gly Thr Asp Ala Thr Leu 
        35                  40                  45              


Cys Cys Ser Phe Ser Pro Glu Pro Gly Phe Ser Leu Ala Gln Leu Asn 
    50                  55                  60                  


Leu Ile Trp Gln Leu Thr Asp Thr Lys Gln Leu Val His Ser Phe Ala 
65                  70                  75                  80  


Glu Gly Gln Asp Gln Gly Ser Ala Tyr Ala Asn Arg Thr Ala Leu Phe 
                85                  90                  95      


Pro Asp Leu Leu Ala Gln Gly Asn Ala Ser Leu Arg Leu Gln Arg Val 
            100                 105                 110         


Arg Val Ala Asp Glu Gly Ser Phe Thr Cys Phe Val Ser Ile Arg Asp 
        115                 120                 125             


Phe Gly Ser Ala Ala Val Ser Leu Gln Val Ala Ala Pro Tyr Ser Lys 
    130                 135                 140                 


Pro Ser Met Thr Leu Glu Pro Asn Lys Asp Leu Arg Pro Gly Asp Thr 
145                 150                 155                 160 


Val Thr Ile Thr Cys Ser Ser Tyr Gln Gly Tyr Pro Glu Ala Glu Val 
                165                 170                 175     


Phe Trp Gln Asp Gly Gln Gly Val Pro Leu Thr Gly Asn Val Thr Thr 
            180                 185                 190         


Ser Gln Met Ala Asn Glu Gln Gly Leu Phe Asp Val His Ser Ile Leu 
        195                 200                 205             


Arg Val Val Leu Gly Ala Asn Gly Thr Tyr Ser Cys Leu Val Arg Asn 
    210                 215                 220                 


Pro Val Leu Gln Gln Asp Ala His Ser Ser Val Thr Ile Thr Pro Gln 
225                 230                 235                 240 


Arg Ser Pro Thr Gly Ala Val Glu Val Gln Val Pro Glu Asp Pro Val 
                245                 250                 255     


Val Ala Leu Val Gly Thr Asp Ala Thr Leu Arg Cys Ser Phe Ser Pro 
            260                 265                 270         


Glu Pro Gly Phe Ser Leu Ala Gln Leu Asn Leu Ile Trp Gln Leu Thr 
        275                 280                 285             


Asp Thr Lys Gln Leu Val His Ser Phe Thr Glu Gly Arg Asp Gln Gly 
    290                 295                 300                 


Ser Ala Tyr Ala Asn Arg Thr Ala Leu Phe Pro Asp Leu Leu Ala Gln 
305                 310                 315                 320 


Gly Asn Ala Ser Leu Arg Leu Gln Arg Val Arg Val Ala Asp Glu Gly 
                325                 330                 335     


Ser Phe Thr Cys Phe Val Ser Ile Arg Asp Phe Gly Ser Ala Ala Val 
            340                 345                 350         


Ser Leu Gln Val Ala Ala Pro Tyr Ser Lys Pro Ser Met Thr Leu Glu 
        355                 360                 365             


Pro Asn Lys Asp Leu Arg Pro Gly Asp Thr Val Thr Ile Thr Cys Ser 
    370                 375                 380                 


Ser Tyr Arg Gly Tyr Pro Glu Ala Glu Val Phe Trp Gln Asp Gly Gln 
385                 390                 395                 400 


Gly Val Pro Leu Thr Gly Asn Val Thr Thr Ser Gln Met Ala Asn Glu 
                405                 410                 415     


Gln Gly Leu Phe Asp Val His Ser Val Leu Arg Val Val Leu Gly Ala 
            420                 425                 430         


Asn Gly Thr Tyr Ser Cys Leu Val Arg Asn Pro Val Leu Gln Gln Asp 
        435                 440                 445             


Ala His Gly Ser Val Thr Ile Thr Gly Gln Pro Met Thr Phe Pro Pro 
    450                 455                 460                 


Glu Ala Leu Trp Val Thr Val Gly Leu Ser Val Cys Leu Ile Ala Leu 
465                 470                 475                 480 


Leu Val Ala Leu Ala Phe Val Cys Trp Arg Lys Ile Lys Gln Ser Cys 
                485                 490                 495     


Glu Glu Glu Asn Ala Gly Ala Glu Asp Gln Asp Gly Glu Gly Glu Gly 
            500                 505                 510         


Ser Lys Thr Ala Leu Gln Pro Leu Lys His Ser Asp Ser Lys Glu Asp 
        515                 520                 525             


Asp Gly Gln Glu Ile Ala 
    530                 


<210>  7
<211>  282
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  VTCN1(B7-H4)

<400>  7

Met Ala Ser Leu Gly Gln Ile Leu Phe Trp Ser Ile Ile Ser Ile Ile 
1               5                   10                  15      


Ile Ile Leu Ala Gly Ala Ile Ala Leu Ile Ile Gly Phe Gly Ile Ser 
            20                  25                  30          


Gly Arg His Ser Ile Thr Val Thr Thr Val Ala Ser Ala Gly Asn Ile 
        35                  40                  45              


Gly Glu Asp Gly Ile Leu Ser Cys Thr Phe Glu Pro Asp Ile Lys Leu 
    50                  55                  60                  


Ser Asp Ile Val Ile Gln Trp Leu Lys Glu Gly Val Leu Gly Leu Val 
65                  70                  75                  80  


His Glu Phe Lys Glu Gly Lys Asp Glu Leu Ser Glu Gln Asp Glu Met 
                85                  90                  95      


Phe Arg Gly Arg Thr Ala Val Phe Ala Asp Gln Val Ile Val Gly Asn 
            100                 105                 110         


Ala Ser Leu Arg Leu Lys Asn Val Gln Leu Thr Asp Ala Gly Thr Tyr 
        115                 120                 125             


Lys Cys Tyr Ile Ile Thr Ser Lys Gly Lys Gly Asn Ala Asn Leu Glu 
    130                 135                 140                 


Tyr Lys Thr Gly Ala Phe Ser Met Pro Glu Val Asn Val Asp Tyr Asn 
145                 150                 155                 160 


Ala Ser Ser Glu Thr Leu Arg Cys Glu Ala Pro Arg Trp Phe Pro Gln 
                165                 170                 175     


Pro Thr Val Val Trp Ala Ser Gln Val Asp Gln Gly Ala Asn Phe Ser 
            180                 185                 190         


Glu Val Ser Asn Thr Ser Phe Glu Leu Asn Ser Glu Asn Val Thr Met 
        195                 200                 205             


Lys Val Val Ser Val Leu Tyr Asn Val Thr Ile Asn Asn Thr Tyr Ser 
    210                 215                 220                 


Cys Met Ile Glu Asn Asp Ile Ala Lys Ala Thr Gly Asp Ile Lys Val 
225                 230                 235                 240 


Thr Glu Ser Glu Ile Lys Arg Arg Ser His Leu Gln Leu Leu Asn Ser 
                245                 250                 255     


Lys Ala Ser Leu Cys Val Ser Ser Phe Phe Ala Ile Ser Trp Ala Leu 
            260                 265                 270         


Leu Pro Leu Ser Pro Tyr Leu Met Leu Lys 
        275                 280         


<210>  8
<211>  220
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD28

<400>  8

Met Leu Arg Leu Leu Leu Ala Leu Asn Leu Phe Pro Ser Ile Gln Val 
1               5                   10                  15      


Thr Gly Asn Lys Ile Leu Val Lys Gln Ser Pro Met Leu Val Ala Tyr 
            20                  25                  30          


Asp Asn Ala Val Asn Leu Ser Cys Lys Tyr Ser Tyr Asn Leu Phe Ser 
        35                  40                  45              


Arg Glu Phe Arg Ala Ser Leu His Lys Gly Leu Asp Ser Ala Val Glu 
    50                  55                  60                  


Val Cys Val Val Tyr Gly Asn Tyr Ser Gln Gln Leu Gln Val Tyr Ser 
65                  70                  75                  80  


Lys Thr Gly Phe Asn Cys Asp Gly Lys Leu Gly Asn Glu Ser Val Thr 
                85                  90                  95      


Phe Tyr Leu Gln Asn Leu Tyr Val Asn Gln Thr Asp Ile Tyr Phe Cys 
            100                 105                 110         


Lys Ile Glu Val Met Tyr Pro Pro Pro Tyr Leu Asp Asn Glu Lys Ser 
        115                 120                 125             


Asn Gly Thr Ile Ile His Val Lys Gly Lys His Leu Cys Pro Ser Pro 
    130                 135                 140                 


Leu Phe Pro Gly Pro Ser Lys Pro Phe Trp Val Leu Val Val Val Gly 
145                 150                 155                 160 


Gly Val Leu Ala Cys Tyr Ser Leu Leu Val Thr Val Ala Phe Ile Ile 
                165                 170                 175     


Phe Trp Val Arg Ser Lys Arg Ser Arg Leu Leu His Ser Asp Tyr Met 
            180                 185                 190         


Asn Met Thr Pro Arg Arg Pro Gly Pro Thr Arg Lys His Tyr Gln Pro 
        195                 200                 205             


Tyr Ala Pro Pro Arg Asp Phe Ala Ala Tyr Arg Ser 
    210                 215                 220 


<210>  9
<211>  223
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CTLA4

<400>  9

Met Ala Cys Leu Gly Phe Gln Arg His Lys Ala Gln Leu Asn Leu Ala 
1               5                   10                  15      


Thr Arg Thr Trp Pro Cys Thr Leu Leu Phe Phe Leu Leu Phe Ile Pro 
            20                  25                  30          


Val Phe Cys Lys Ala Met His Val Ala Gln Pro Ala Val Val Leu Ala 
        35                  40                  45              


Ser Ser Arg Gly Ile Ala Ser Phe Val Cys Glu Tyr Ala Ser Pro Gly 
    50                  55                  60                  


Lys Ala Thr Glu Val Arg Val Thr Val Leu Arg Gln Ala Asp Ser Gln 
65                  70                  75                  80  


Val Thr Glu Val Cys Ala Ala Thr Tyr Met Met Gly Asn Glu Leu Thr 
                85                  90                  95      


Phe Leu Asp Asp Ser Ile Cys Thr Gly Thr Ser Ser Gly Asn Gln Val 
            100                 105                 110         


Asn Leu Thr Ile Gln Gly Leu Arg Ala Met Asp Thr Gly Leu Tyr Ile 
        115                 120                 125             


Cys Lys Val Glu Leu Met Tyr Pro Pro Pro Tyr Tyr Leu Gly Ile Gly 
    130                 135                 140                 


Asn Gly Thr Gln Ile Tyr Val Ile Asp Pro Glu Pro Cys Pro Asp Ser 
145                 150                 155                 160 


Asp Phe Leu Leu Trp Ile Leu Ala Ala Val Ser Ser Gly Leu Phe Phe 
                165                 170                 175     


Tyr Ser Phe Leu Leu Thr Ala Val Ser Leu Ser Lys Met Leu Lys Lys 
            180                 185                 190         


Arg Ser Pro Leu Thr Thr Gly Val Tyr Val Lys Met Pro Pro Thr Glu 
        195                 200                 205             


Pro Glu Cys Glu Lys Gln Phe Gln Pro Tyr Phe Ile Pro Ile Asn 
    210                 215                 220             


<210>  10
<211>  288
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  PDCD1(PD-1)

<400>  10

Met Gln Ile Pro Gln Ala Pro Trp Pro Val Val Trp Ala Val Leu Gln 
1               5                   10                  15      


Leu Gly Trp Arg Pro Gly Trp Phe Leu Asp Ser Pro Asp Arg Pro Trp 
            20                  25                  30          


Asn Pro Pro Thr Phe Ser Pro Ala Leu Leu Val Val Thr Glu Gly Asp 
        35                  40                  45              


Asn Ala Thr Phe Thr Cys Ser Phe Ser Asn Thr Ser Glu Ser Phe Val 
    50                  55                  60                  


Leu Asn Trp Tyr Arg Met Ser Pro Ser Asn Gln Thr Asp Lys Leu Ala 
65                  70                  75                  80  


Ala Phe Pro Glu Asp Arg Ser Gln Pro Gly Gln Asp Cys Arg Phe Arg 
                85                  90                  95      


Val Thr Gln Leu Pro Asn Gly Arg Asp Phe His Met Ser Val Val Arg 
            100                 105                 110         


Ala Arg Arg Asn Asp Ser Gly Thr Tyr Leu Cys Gly Ala Ile Ser Leu 
        115                 120                 125             


Ala Pro Lys Ala Gln Ile Lys Glu Ser Leu Arg Ala Glu Leu Arg Val 
    130                 135                 140                 


Thr Glu Arg Arg Ala Glu Val Pro Thr Ala His Pro Ser Pro Ser Pro 
145                 150                 155                 160 


Arg Pro Ala Gly Gln Phe Gln Thr Leu Val Val Gly Val Val Gly Gly 
                165                 170                 175     


Leu Leu Gly Ser Leu Val Leu Leu Val Trp Val Leu Ala Val Ile Cys 
            180                 185                 190         


Ser Arg Ala Ala Arg Gly Thr Ile Gly Ala Arg Arg Thr Gly Gln Pro 
        195                 200                 205             


Leu Lys Glu Asp Pro Ser Ala Val Pro Val Phe Ser Val Asp Tyr Gly 
    210                 215                 220                 


Glu Leu Asp Phe Gln Trp Arg Glu Lys Thr Pro Glu Pro Pro Val Pro 
225                 230                 235                 240 


Cys Val Pro Glu Gln Thr Glu Tyr Ala Thr Ile Val Phe Pro Ser Gly 
                245                 250                 255     


Met Gly Thr Ser Ser Pro Ala Arg Arg Gly Ser Ala Asp Gly Pro Arg 
            260                 265                 270         


Ser Ala Gln Pro Leu Arg Pro Glu Asp Gly His Cys Ser Trp Pro Leu 
        275                 280                 285             


<210>  11
<211>  199
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  ICOS

<400>  11

Met Lys Ser Gly Leu Trp Tyr Phe Phe Leu Phe Cys Leu Arg Ile Lys 
1               5                   10                  15      


Val Leu Thr Gly Glu Ile Asn Gly Ser Ala Asn Tyr Glu Met Phe Ile 
            20                  25                  30          


Phe His Asn Gly Gly Val Gln Ile Leu Cys Lys Tyr Pro Asp Ile Val 
        35                  40                  45              


Gln Gln Phe Lys Met Gln Leu Leu Lys Gly Gly Gln Ile Leu Cys Asp 
    50                  55                  60                  


Leu Thr Lys Thr Lys Gly Ser Gly Asn Thr Val Ser Ile Lys Ser Leu 
65                  70                  75                  80  


Lys Phe Cys His Ser Gln Leu Ser Asn Asn Ser Val Ser Phe Phe Leu 
                85                  90                  95      


Tyr Asn Leu Asp His Ser His Ala Asn Tyr Tyr Phe Cys Asn Leu Ser 
            100                 105                 110         


Ile Phe Asp Pro Pro Pro Phe Lys Val Thr Leu Thr Gly Gly Tyr Leu 
        115                 120                 125             


His Ile Tyr Glu Ser Gln Leu Cys Cys Gln Leu Lys Phe Trp Leu Pro 
    130                 135                 140                 


Ile Gly Cys Ala Ala Phe Val Val Val Cys Ile Leu Gly Cys Ile Leu 
145                 150                 155                 160 


Ile Cys Trp Leu Thr Lys Lys Lys Tyr Ser Ser Ser Val His Asp Pro 
                165                 170                 175     


Asn Gly Glu Tyr Met Phe Met Arg Ala Val Asn Thr Ala Lys Lys Ser 
            180                 185                 190         


Arg Leu Thr Asp Val Thr Leu 
        195                 


<210>  12
<211>  289
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  BTLA(CD272)

<400>  12

Met Lys Thr Leu Pro Ala Met Leu Gly Thr Gly Lys Leu Phe Trp Val 
1               5                   10                  15      


Phe Phe Leu Ile Pro Tyr Leu Asp Ile Trp Asn Ile His Gly Lys Glu 
            20                  25                  30          


Ser Cys Asp Val Gln Leu Tyr Ile Lys Arg Gln Ser Glu His Ser Ile 
        35                  40                  45              


Leu Ala Gly Asp Pro Phe Glu Leu Glu Cys Pro Val Lys Tyr Cys Ala 
    50                  55                  60                  


Asn Arg Pro His Val Thr Trp Cys Lys Leu Asn Gly Thr Thr Cys Val 
65                  70                  75                  80  


Lys Leu Glu Asp Arg Gln Thr Ser Trp Lys Glu Glu Lys Asn Ile Ser 
                85                  90                  95      


Phe Phe Ile Leu His Phe Glu Pro Val Leu Pro Asn Asp Asn Gly Ser 
            100                 105                 110         


Tyr Arg Cys Ser Ala Asn Phe Gln Ser Asn Leu Ile Glu Ser His Ser 
        115                 120                 125             


Thr Thr Leu Tyr Val Thr Asp Val Lys Ser Ala Ser Glu Arg Pro Ser 
    130                 135                 140                 


Lys Asp Glu Met Ala Ser Arg Pro Trp Leu Leu Tyr Arg Leu Leu Pro 
145                 150                 155                 160 


Leu Gly Gly Leu Pro Leu Leu Ile Thr Thr Cys Phe Cys Leu Phe Cys 
                165                 170                 175     


Cys Leu Arg Arg His Gln Gly Lys Gln Asn Glu Leu Ser Asp Thr Ala 
            180                 185                 190         


Gly Arg Glu Ile Asn Leu Val Asp Ala His Leu Lys Ser Glu Gln Thr 
        195                 200                 205             


Glu Ala Ser Thr Arg Gln Asn Ser Gln Val Leu Leu Ser Glu Thr Gly 
    210                 215                 220                 


Ile Tyr Asp Asn Asp Pro Asp Leu Cys Phe Arg Met Gln Glu Gly Ser 
225                 230                 235                 240 


Glu Val Tyr Ser Asn Pro Cys Leu Glu Glu Asn Lys Pro Gly Ile Val 
                245                 250                 255     


Tyr Ala Ser Leu Asn His Ser Val Ile Gly Pro Asn Ser Arg Leu Ala 
            260                 265                 270         


Arg Asn Val Lys Glu Ala Pro Thr Glu Tyr Ala Ser Ile Cys Val Arg 
        275                 280                 285             


Ser 
    


<210>  13
<211>  458
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD4

<400>  13

Met Asn Arg Gly Val Pro Phe Arg His Leu Leu Leu Val Leu Gln Leu 
1               5                   10                  15      


Ala Leu Leu Pro Ala Ala Thr Gln Gly Lys Lys Val Val Leu Gly Lys 
            20                  25                  30          


Lys Gly Asp Thr Val Glu Leu Thr Cys Thr Ala Ser Gln Lys Lys Ser 
        35                  40                  45              


Ile Gln Phe His Trp Lys Asn Ser Asn Gln Ile Lys Ile Leu Gly Asn 
    50                  55                  60                  


Gln Gly Ser Phe Leu Thr Lys Gly Pro Ser Lys Leu Asn Asp Arg Ala 
65                  70                  75                  80  


Asp Ser Arg Arg Ser Leu Trp Asp Gln Gly Asn Phe Pro Leu Ile Ile 
                85                  90                  95      


Lys Asn Leu Lys Ile Glu Asp Ser Asp Thr Tyr Ile Cys Glu Val Glu 
            100                 105                 110         


Asp Gln Lys Glu Glu Val Gln Leu Leu Val Phe Gly Leu Thr Ala Asn 
        115                 120                 125             


Ser Asp Thr His Leu Leu Gln Gly Gln Ser Leu Thr Leu Thr Leu Glu 
    130                 135                 140                 


Ser Pro Pro Gly Ser Ser Pro Ser Val Gln Cys Arg Ser Pro Arg Gly 
145                 150                 155                 160 


Lys Asn Ile Gln Gly Gly Lys Thr Leu Ser Val Ser Gln Leu Glu Leu 
                165                 170                 175     


Gln Asp Ser Gly Thr Trp Thr Cys Thr Val Leu Gln Asn Gln Lys Lys 
            180                 185                 190         


Val Glu Phe Lys Ile Asp Ile Val Val Leu Ala Phe Gln Lys Ala Ser 
        195                 200                 205             


Ser Ile Val Tyr Lys Lys Glu Gly Glu Gln Val Glu Phe Ser Phe Pro 
    210                 215                 220                 


Leu Ala Phe Thr Val Glu Lys Leu Thr Gly Ser Gly Glu Leu Trp Trp 
225                 230                 235                 240 


Gln Ala Glu Arg Ala Ser Ser Ser Lys Ser Trp Ile Thr Phe Asp Leu 
                245                 250                 255     


Lys Asn Lys Glu Val Ser Val Lys Arg Val Thr Gln Asp Pro Lys Leu 
            260                 265                 270         


Gln Met Gly Lys Lys Leu Pro Leu His Leu Thr Leu Pro Gln Ala Leu 
        275                 280                 285             


Pro Gln Tyr Ala Gly Ser Gly Asn Leu Thr Leu Ala Leu Glu Ala Lys 
    290                 295                 300                 


Thr Gly Lys Leu His Gln Glu Val Asn Leu Val Val Met Arg Ala Thr 
305                 310                 315                 320 


Gln Leu Gln Lys Asn Leu Thr Cys Glu Val Trp Gly Pro Thr Ser Pro 
                325                 330                 335     


Lys Leu Met Leu Ser Leu Lys Leu Glu Asn Lys Glu Ala Lys Val Ser 
            340                 345                 350         


Lys Arg Glu Lys Ala Val Trp Val Leu Asn Pro Glu Ala Gly Met Trp 
        355                 360                 365             


Gln Cys Leu Leu Ser Asp Ser Gly Gln Val Leu Leu Glu Ser Asn Ile 
    370                 375                 380                 


Lys Val Leu Pro Thr Trp Ser Thr Pro Val Gln Pro Met Ala Leu Ile 
385                 390                 395                 400 


Val Leu Gly Gly Val Ala Gly Leu Leu Leu Phe Ile Gly Leu Gly Ile 
                405                 410                 415     


Phe Phe Cys Val Arg Cys Arg His Arg Arg Arg Gln Ala Glu Arg Met 
            420                 425                 430         


Ser Gln Ile Lys Arg Leu Leu Ser Glu Lys Lys Thr Cys Gln Cys Pro 
        435                 440                 445             


His Arg Phe Gln Lys Thr Cys Ser Pro Ile 
    450                 455             


<210>  14
<211>  235
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD8A(CD8-alpha)

<400>  14

Met Ala Leu Pro Val Thr Ala Leu Leu Leu Pro Leu Ala Leu Leu Leu 
1               5                   10                  15      


His Ala Ala Arg Pro Ser Gln Phe Arg Val Ser Pro Leu Asp Arg Thr 
            20                  25                  30          


Trp Asn Leu Gly Glu Thr Val Glu Leu Lys Cys Gln Val Leu Leu Ser 
        35                  40                  45              


Asn Pro Thr Ser Gly Cys Ser Trp Leu Phe Gln Pro Arg Gly Ala Ala 
    50                  55                  60                  


Ala Ser Pro Thr Phe Leu Leu Tyr Leu Ser Gln Asn Lys Pro Lys Ala 
65                  70                  75                  80  


Ala Glu Gly Leu Asp Thr Gln Arg Phe Ser Gly Lys Arg Leu Gly Asp 
                85                  90                  95      


Thr Phe Val Leu Thr Leu Ser Asp Phe Arg Arg Glu Asn Glu Gly Tyr 
            100                 105                 110         


Tyr Phe Cys Ser Ala Leu Ser Asn Ser Ile Met Tyr Phe Ser His Phe 
        115                 120                 125             


Val Pro Val Phe Leu Pro Ala Lys Pro Thr Thr Thr Pro Ala Pro Arg 
    130                 135                 140                 


Pro Pro Thr Pro Ala Pro Thr Ile Ala Ser Gln Pro Leu Ser Leu Arg 
145                 150                 155                 160 


Pro Glu Ala Cys Arg Pro Ala Ala Gly Gly Ala Val His Thr Arg Gly 
                165                 170                 175     


Leu Asp Phe Ala Cys Asp Ile Tyr Ile Trp Ala Pro Leu Ala Gly Thr 
            180                 185                 190         


Cys Gly Val Leu Leu Leu Ser Leu Val Ile Thr Leu Tyr Cys Asn His 
        195                 200                 205             


Arg Asn Arg Arg Arg Val Cys Lys Cys Pro Arg Pro Val Val Lys Ser 
    210                 215                 220                 


Gly Asp Lys Pro Ser Leu Ser Ala Arg Tyr Val 
225                 230                 235 


<210>  15
<211>  210
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD8B(CD8-beta)

<400>  15

Met Arg Pro Arg Leu Trp Leu Leu Leu Ala Ala Gln Leu Thr Val Leu 
1               5                   10                  15      


His Gly Asn Ser Val Leu Gln Gln Thr Pro Ala Tyr Ile Lys Val Gln 
            20                  25                  30          


Thr Asn Lys Met Val Met Leu Ser Cys Glu Ala Lys Ile Ser Leu Ser 
        35                  40                  45              


Asn Met Arg Ile Tyr Trp Leu Arg Gln Arg Gln Ala Pro Ser Ser Asp 
    50                  55                  60                  


Ser His His Glu Phe Leu Ala Leu Trp Asp Ser Ala Lys Gly Thr Ile 
65                  70                  75                  80  


His Gly Glu Glu Val Glu Gln Glu Lys Ile Ala Val Phe Arg Asp Ala 
                85                  90                  95      


Ser Arg Phe Ile Leu Asn Leu Thr Ser Val Lys Pro Glu Asp Ser Gly 
            100                 105                 110         


Ile Tyr Phe Cys Met Ile Val Gly Ser Pro Glu Leu Thr Phe Gly Lys 
        115                 120                 125             


Gly Thr Gln Leu Ser Val Val Asp Phe Leu Pro Thr Thr Ala Gln Pro 
    130                 135                 140                 


Thr Lys Lys Ser Thr Leu Lys Lys Arg Val Cys Arg Leu Pro Arg Pro 
145                 150                 155                 160 


Glu Thr Gln Lys Gly Pro Leu Cys Ser Pro Ile Thr Leu Gly Leu Leu 
                165                 170                 175     


Val Ala Gly Val Leu Val Leu Leu Val Ser Leu Gly Val Ala Ile His 
            180                 185                 190         


Leu Cys Cys Arg Arg Arg Arg Ala Arg Leu Arg Phe Met Lys Gln Phe 
        195                 200                 205             


Tyr Lys 
    210 


<210>  16
<211>  525
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  LAG3

<400>  16

Met Trp Glu Ala Gln Phe Leu Gly Leu Leu Phe Leu Gln Pro Leu Trp 
1               5                   10                  15      


Val Ala Pro Val Lys Pro Leu Gln Pro Gly Ala Glu Val Pro Val Val 
            20                  25                  30          


Trp Ala Gln Glu Gly Ala Pro Ala Gln Leu Pro Cys Ser Pro Thr Ile 
        35                  40                  45              


Pro Leu Gln Asp Leu Ser Leu Leu Arg Arg Ala Gly Val Thr Trp Gln 
    50                  55                  60                  


His Gln Pro Asp Ser Gly Pro Pro Ala Ala Ala Pro Gly His Pro Leu 
65                  70                  75                  80  


Ala Pro Gly Pro His Pro Ala Ala Pro Ser Ser Trp Gly Pro Arg Pro 
                85                  90                  95      


Arg Arg Tyr Thr Val Leu Ser Val Gly Pro Gly Gly Leu Arg Ser Gly 
            100                 105                 110         


Arg Leu Pro Leu Gln Pro Arg Val Gln Leu Asp Glu Arg Gly Arg Gln 
        115                 120                 125             


Arg Gly Asp Phe Ser Leu Trp Leu Arg Pro Ala Arg Arg Ala Asp Ala 
    130                 135                 140                 


Gly Glu Tyr Arg Ala Ala Val His Leu Arg Asp Arg Ala Leu Ser Cys 
145                 150                 155                 160 


Arg Leu Arg Leu Arg Leu Gly Gln Ala Ser Met Thr Ala Ser Pro Pro 
                165                 170                 175     


Gly Ser Leu Arg Ala Ser Asp Trp Val Ile Leu Asn Cys Ser Phe Ser 
            180                 185                 190         


Arg Pro Asp Arg Pro Ala Ser Val His Trp Phe Arg Asn Arg Gly Gln 
        195                 200                 205             


Gly Arg Val Pro Val Arg Glu Ser Pro His His His Leu Ala Glu Ser 
    210                 215                 220                 


Phe Leu Phe Leu Pro Gln Val Ser Pro Met Asp Ser Gly Pro Trp Gly 
225                 230                 235                 240 


Cys Ile Leu Thr Tyr Arg Asp Gly Phe Asn Val Ser Ile Met Tyr Asn 
                245                 250                 255     


Leu Thr Val Leu Gly Leu Glu Pro Pro Thr Pro Leu Thr Val Tyr Ala 
            260                 265                 270         


Gly Ala Gly Ser Arg Val Gly Leu Pro Cys Arg Leu Pro Ala Gly Val 
        275                 280                 285             


Gly Thr Arg Ser Phe Leu Thr Ala Lys Trp Thr Pro Pro Gly Gly Gly 
    290                 295                 300                 


Pro Asp Leu Leu Val Thr Gly Asp Asn Gly Asp Phe Thr Leu Arg Leu 
305                 310                 315                 320 


Glu Asp Val Ser Gln Ala Gln Ala Gly Thr Tyr Thr Cys His Ile His 
                325                 330                 335     


Leu Gln Glu Gln Gln Leu Asn Ala Thr Val Thr Leu Ala Ile Ile Thr 
            340                 345                 350         


Val Thr Pro Lys Ser Phe Gly Ser Pro Gly Ser Leu Gly Lys Leu Leu 
        355                 360                 365             


Cys Glu Val Thr Pro Val Ser Gly Gln Glu Arg Phe Val Trp Ser Ser 
    370                 375                 380                 


Leu Asp Thr Pro Ser Gln Arg Ser Phe Ser Gly Pro Trp Leu Glu Ala 
385                 390                 395                 400 


Gln Glu Ala Gln Leu Leu Ser Gln Pro Trp Gln Cys Gln Leu Tyr Gln 
                405                 410                 415     


Gly Glu Arg Leu Leu Gly Ala Ala Val Tyr Phe Thr Glu Leu Ser Ser 
            420                 425                 430         


Pro Gly Ala Gln Arg Ser Gly Arg Ala Pro Gly Ala Leu Pro Ala Gly 
        435                 440                 445             


His Leu Leu Leu Phe Leu Ile Leu Gly Val Leu Ser Leu Leu Leu Leu 
    450                 455                 460                 


Val Thr Gly Ala Phe Gly Phe His Leu Trp Arg Arg Gln Trp Arg Pro 
465                 470                 475                 480 


Arg Arg Phe Ser Ala Leu Glu Gln Gly Ile His Pro Pro Gln Ala Gln 
                485                 490                 495     


Ser Lys Ile Glu Glu Leu Glu Gln Glu Pro Glu Pro Glu Pro Glu Pro 
            500                 505                 510         


Glu Pro Glu Pro Glu Pro Glu Pro Glu Pro Glu Gln Leu 
        515                 520                 525 


<210>  17
<211>  301
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  HAVCR2(TIM-3)

<400>  17

Met Phe Ser His Leu Pro Phe Asp Cys Val Leu Leu Leu Leu Leu Leu 
1               5                   10                  15      


Leu Leu Thr Arg Ser Ser Glu Val Glu Tyr Arg Ala Glu Val Gly Gln 
            20                  25                  30          


Asn Ala Tyr Leu Pro Cys Phe Tyr Thr Pro Ala Ala Pro Gly Asn Leu 
        35                  40                  45              


Val Pro Val Cys Trp Gly Lys Gly Ala Cys Pro Val Phe Glu Cys Gly 
    50                  55                  60                  


Asn Val Val Leu Arg Thr Asp Glu Arg Asp Val Asn Tyr Trp Thr Ser 
65                  70                  75                  80  


Arg Tyr Trp Leu Asn Gly Asp Phe Arg Lys Gly Asp Val Ser Leu Thr 
                85                  90                  95      


Ile Glu Asn Val Thr Leu Ala Asp Ser Gly Ile Tyr Cys Cys Arg Ile 
            100                 105                 110         


Gln Ile Pro Gly Ile Met Asn Asp Glu Lys Phe Asn Leu Lys Leu Val 
        115                 120                 125             


Ile Lys Pro Ala Lys Val Thr Pro Ala Pro Thr Arg Gln Arg Asp Phe 
    130                 135                 140                 


Thr Ala Ala Phe Pro Arg Met Leu Thr Thr Arg Gly His Gly Pro Ala 
145                 150                 155                 160 


Glu Thr Gln Thr Leu Gly Ser Leu Pro Asp Ile Asn Leu Thr Gln Ile 
                165                 170                 175     


Ser Thr Leu Ala Asn Glu Leu Arg Asp Ser Arg Leu Ala Asn Asp Leu 
            180                 185                 190         


Arg Asp Ser Gly Ala Thr Ile Arg Ile Gly Ile Tyr Ile Gly Ala Gly 
        195                 200                 205             


Ile Cys Ala Gly Leu Ala Leu Ala Leu Ile Phe Gly Ala Leu Ile Phe 
    210                 215                 220                 


Lys Trp Tyr Ser His Ser Lys Glu Lys Ile Gln Asn Leu Ser Leu Ile 
225                 230                 235                 240 


Ser Leu Ala Asn Leu Pro Pro Ser Gly Leu Ala Asn Ala Val Ala Glu 
                245                 250                 255     


Gly Ile Arg Ser Glu Glu Asn Ile Tyr Thr Ile Glu Glu Asn Val Tyr 
            260                 265                 270         


Glu Val Glu Glu Pro Asn Glu Tyr Tyr Cys Tyr Val Ser Ser Arg Gln 
        275                 280                 285             


Gln Pro Ser Gln Pro Leu Gly Cys Arg Phe Ala Met Pro 
    290                 295                 300     


<210>  18
<211>  526
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CEACAM1

<400>  18

Met Gly His Leu Ser Ala Pro Leu His Arg Val Arg Val Pro Trp Gln 
1               5                   10                  15      


Gly Leu Leu Leu Thr Ala Ser Leu Leu Thr Phe Trp Asn Pro Pro Thr 
            20                  25                  30          


Thr Ala Gln Leu Thr Thr Glu Ser Met Pro Phe Asn Val Ala Glu Gly 
        35                  40                  45              


Lys Glu Val Leu Leu Leu Val His Asn Leu Pro Gln Gln Leu Phe Gly 
    50                  55                  60                  


Tyr Ser Trp Tyr Lys Gly Glu Arg Val Asp Gly Asn Arg Gln Ile Val 
65                  70                  75                  80  


Gly Tyr Ala Ile Gly Thr Gln Gln Ala Thr Pro Gly Pro Ala Asn Ser 
                85                  90                  95      


Gly Arg Glu Thr Ile Tyr Pro Asn Ala Ser Leu Leu Ile Gln Asn Val 
            100                 105                 110         


Thr Gln Asn Asp Thr Gly Phe Tyr Thr Leu Gln Val Ile Lys Ser Asp 
        115                 120                 125             


Leu Val Asn Glu Glu Ala Thr Gly Gln Phe His Val Tyr Pro Glu Leu 
    130                 135                 140                 


Pro Lys Pro Ser Ile Ser Ser Asn Asn Ser Asn Pro Val Glu Asp Lys 
145                 150                 155                 160 


Asp Ala Val Ala Phe Thr Cys Glu Pro Glu Thr Gln Asp Thr Thr Tyr 
                165                 170                 175     


Leu Trp Trp Ile Asn Asn Gln Ser Leu Pro Val Ser Pro Arg Leu Gln 
            180                 185                 190         


Leu Ser Asn Gly Asn Arg Thr Leu Thr Leu Leu Ser Val Thr Arg Asn 
        195                 200                 205             


Asp Thr Gly Pro Tyr Glu Cys Glu Ile Gln Asn Pro Val Ser Ala Asn 
    210                 215                 220                 


Arg Ser Asp Pro Val Thr Leu Asn Val Thr Tyr Gly Pro Asp Thr Pro 
225                 230                 235                 240 


Thr Ile Ser Pro Ser Asp Thr Tyr Tyr Arg Pro Gly Ala Asn Leu Ser 
                245                 250                 255     


Leu Ser Cys Tyr Ala Ala Ser Asn Pro Pro Ala Gln Tyr Ser Trp Leu 
            260                 265                 270         


Ile Asn Gly Thr Phe Gln Gln Ser Thr Gln Glu Leu Phe Ile Pro Asn 
        275                 280                 285             


Ile Thr Val Asn Asn Ser Gly Ser Tyr Thr Cys His Ala Asn Asn Ser 
    290                 295                 300                 


Val Thr Gly Cys Asn Arg Thr Thr Val Lys Thr Ile Ile Val Thr Glu 
305                 310                 315                 320 


Leu Ser Pro Val Val Ala Lys Pro Gln Ile Lys Ala Ser Lys Thr Thr 
                325                 330                 335     


Val Thr Gly Asp Lys Asp Ser Val Asn Leu Thr Cys Ser Thr Asn Asp 
            340                 345                 350         


Thr Gly Ile Ser Ile Arg Trp Phe Phe Lys Asn Gln Ser Leu Pro Ser 
        355                 360                 365             


Ser Glu Arg Met Lys Leu Ser Gln Gly Asn Thr Thr Leu Ser Ile Asn 
    370                 375                 380                 


Pro Val Lys Arg Glu Asp Ala Gly Thr Tyr Trp Cys Glu Val Phe Asn 
385                 390                 395                 400 


Pro Ile Ser Lys Asn Gln Ser Asp Pro Ile Met Leu Asn Val Asn Tyr 
                405                 410                 415     


Asn Ala Leu Pro Gln Glu Asn Gly Leu Ser Pro Gly Ala Ile Ala Gly 
            420                 425                 430         


Ile Val Ile Gly Val Val Ala Leu Val Ala Leu Ile Ala Val Ala Leu 
        435                 440                 445             


Ala Cys Phe Leu His Phe Gly Lys Thr Gly Arg Ala Ser Asp Gln Arg 
    450                 455                 460                 


Asp Leu Thr Glu His Lys Pro Ser Val Ser Asn His Thr Gln Asp His 
465                 470                 475                 480 


Ser Asn Asp Pro Pro Asn Lys Met Asn Glu Val Thr Tyr Ser Thr Leu 
                485                 490                 495     


Asn Phe Glu Ala Gln Gln Pro Thr Gln Pro Thr Ser Ala Ser Pro Ser 
            500                 505                 510         


Leu Thr Ala Thr Glu Ile Ile Tyr Ser Glu Val Lys Lys Gln 
        515                 520                 525     


<210>  19
<211>  244
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  TIGIT

<400>  19

Met Arg Trp Cys Leu Leu Leu Ile Trp Ala Gln Gly Leu Arg Gln Ala 
1               5                   10                  15      


Pro Leu Ala Ser Gly Met Met Thr Gly Thr Ile Glu Thr Thr Gly Asn 
            20                  25                  30          


Ile Ser Ala Glu Lys Gly Gly Ser Ile Ile Leu Gln Cys His Leu Ser 
        35                  40                  45              


Ser Thr Thr Ala Gln Val Thr Gln Val Asn Trp Glu Gln Gln Asp Gln 
    50                  55                  60                  


Leu Leu Ala Ile Cys Asn Ala Asp Leu Gly Trp His Ile Ser Pro Ser 
65                  70                  75                  80  


Phe Lys Asp Arg Val Ala Pro Gly Pro Gly Leu Gly Leu Thr Leu Gln 
                85                  90                  95      


Ser Leu Thr Val Asn Asp Thr Gly Glu Tyr Phe Cys Ile Tyr His Thr 
            100                 105                 110         


Tyr Pro Asp Gly Thr Tyr Thr Gly Arg Ile Phe Leu Glu Val Leu Glu 
        115                 120                 125             


Ser Ser Val Ala Glu His Gly Ala Arg Phe Gln Ile Pro Leu Leu Gly 
    130                 135                 140                 


Ala Met Ala Ala Thr Leu Val Val Ile Cys Thr Ala Val Ile Val Val 
145                 150                 155                 160 


Val Ala Leu Thr Arg Lys Lys Lys Ala Leu Arg Ile His Ser Val Glu 
                165                 170                 175     


Gly Asp Leu Arg Arg Lys Ser Ala Gly Gln Glu Glu Trp Ser Pro Ser 
            180                 185                 190         


Ala Pro Ser Pro Pro Gly Ser Cys Val Gln Ala Glu Ala Ala Pro Ala 
        195                 200                 205             


Gly Leu Cys Gly Glu Gln Arg Gly Glu Asp Cys Ala Glu Leu His Asp 
    210                 215                 220                 


Tyr Phe Asn Val Leu Ser Tyr Arg Ser Leu Gly Asn Cys Ser Phe Phe 
225                 230                 235                 240 


Thr Glu Thr Gly 
                


<210>  20
<211>  417
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  PVR(CD155)

<400>  20

Met Ala Arg Ala Met Ala Ala Ala Trp Pro Leu Leu Leu Val Ala Leu 
1               5                   10                  15      


Leu Val Leu Ser Trp Pro Pro Pro Gly Thr Gly Asp Val Val Val Gln 
            20                  25                  30          


Ala Pro Thr Gln Val Pro Gly Phe Leu Gly Asp Ser Val Thr Leu Pro 
        35                  40                  45              


Cys Tyr Leu Gln Val Pro Asn Met Glu Val Thr His Val Ser Gln Leu 
    50                  55                  60                  


Thr Trp Ala Arg His Gly Glu Ser Gly Ser Met Ala Val Phe His Gln 
65                  70                  75                  80  


Thr Gln Gly Pro Ser Tyr Ser Glu Ser Lys Arg Leu Glu Phe Val Ala 
                85                  90                  95      


Ala Arg Leu Gly Ala Glu Leu Arg Asn Ala Ser Leu Arg Met Phe Gly 
            100                 105                 110         


Leu Arg Val Glu Asp Glu Gly Asn Tyr Thr Cys Leu Phe Val Thr Phe 
        115                 120                 125             


Pro Gln Gly Ser Arg Ser Val Asp Ile Trp Leu Arg Val Leu Ala Lys 
    130                 135                 140                 


Pro Gln Asn Thr Ala Glu Val Gln Lys Val Gln Leu Thr Gly Glu Pro 
145                 150                 155                 160 


Val Pro Met Ala Arg Cys Val Ser Thr Gly Gly Arg Pro Pro Ala Gln 
                165                 170                 175     


Ile Thr Trp His Ser Asp Leu Gly Gly Met Pro Asn Thr Ser Gln Val 
            180                 185                 190         


Pro Gly Phe Leu Ser Gly Thr Val Thr Val Thr Ser Leu Trp Ile Leu 
        195                 200                 205             


Val Pro Ser Ser Gln Val Asp Gly Lys Asn Val Thr Cys Lys Val Glu 
    210                 215                 220                 


His Glu Ser Phe Glu Lys Pro Gln Leu Leu Thr Val Asn Leu Thr Val 
225                 230                 235                 240 


Tyr Tyr Pro Pro Glu Val Ser Ile Ser Gly Tyr Asp Asn Asn Trp Tyr 
                245                 250                 255     


Leu Gly Gln Asn Glu Ala Thr Leu Thr Cys Asp Ala Arg Ser Asn Pro 
            260                 265                 270         


Glu Pro Thr Gly Tyr Asn Trp Ser Thr Thr Met Gly Pro Leu Pro Pro 
        275                 280                 285             


Phe Ala Val Ala Gln Gly Ala Gln Leu Leu Ile Arg Pro Val Asp Lys 
    290                 295                 300                 


Pro Ile Asn Thr Thr Leu Ile Cys Asn Val Thr Asn Ala Leu Gly Ala 
305                 310                 315                 320 


Arg Gln Ala Glu Leu Thr Val Gln Val Lys Glu Gly Pro Pro Ser Glu 
                325                 330                 335     


His Ser Gly Ile Ser Arg Asn Ala Ile Ile Phe Leu Val Leu Gly Ile 
            340                 345                 350         


Leu Val Phe Leu Ile Leu Leu Gly Ile Gly Ile Tyr Phe Tyr Trp Ser 
        355                 360                 365             


Lys Cys Ser Arg Glu Val Leu Trp His Cys His Leu Cys Pro Ser Ser 
    370                 375                 380                 


Thr Glu His Ala Ser Ala Ser Ala Asn Gly His Val Ser Tyr Ser Ala 
385                 390                 395                 400 


Val Ser Arg Glu Asn Ser Ser Ser Gln Asp Pro Gln Thr Glu Gly Thr 
                405                 410                 415     


Arg 
    


<210>  21
<211>  538
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  PVRL2(CD112)

<400>  21

Met Ala Arg Ala Ala Ala Leu Leu Pro Ser Arg Ser Pro Pro Thr Pro 
1               5                   10                  15      


Leu Leu Trp Pro Leu Leu Leu Leu Leu Leu Leu Glu Thr Gly Ala Gln 
            20                  25                  30          


Asp Val Arg Val Gln Val Leu Pro Glu Val Arg Gly Gln Leu Gly Gly 
        35                  40                  45              


Thr Val Glu Leu Pro Cys His Leu Leu Pro Pro Val Pro Gly Leu Tyr 
    50                  55                  60                  


Ile Ser Leu Val Thr Trp Gln Arg Pro Asp Ala Pro Ala Asn His Gln 
65                  70                  75                  80  


Asn Val Ala Ala Phe His Pro Lys Met Gly Pro Ser Phe Pro Ser Pro 
                85                  90                  95      


Lys Pro Gly Ser Glu Arg Leu Ser Phe Val Ser Ala Lys Gln Ser Thr 
            100                 105                 110         


Gly Gln Asp Thr Glu Ala Glu Leu Gln Asp Ala Thr Leu Ala Leu His 
        115                 120                 125             


Gly Leu Thr Val Glu Asp Glu Gly Asn Tyr Thr Cys Glu Phe Ala Thr 
    130                 135                 140                 


Phe Pro Lys Gly Ser Val Arg Gly Met Thr Trp Leu Arg Val Ile Ala 
145                 150                 155                 160 


Lys Pro Lys Asn Gln Ala Glu Ala Gln Lys Val Thr Phe Ser Gln Asp 
                165                 170                 175     


Pro Thr Thr Val Ala Leu Cys Ile Ser Lys Glu Gly Arg Pro Pro Ala 
            180                 185                 190         


Arg Ile Ser Trp Leu Ser Ser Leu Asp Trp Glu Ala Lys Glu Thr Gln 
        195                 200                 205             


Val Ser Gly Thr Leu Ala Gly Thr Val Thr Val Thr Ser Arg Phe Thr 
    210                 215                 220                 


Leu Val Pro Ser Gly Arg Ala Asp Gly Val Thr Val Thr Cys Lys Val 
225                 230                 235                 240 


Glu His Glu Ser Phe Glu Glu Pro Ala Leu Ile Pro Val Thr Leu Ser 
                245                 250                 255     


Val Arg Tyr Pro Pro Glu Val Ser Ile Ser Gly Tyr Asp Asp Asn Trp 
            260                 265                 270         


Tyr Leu Gly Arg Thr Asp Ala Thr Leu Ser Cys Asp Val Arg Ser Asn 
        275                 280                 285             


Pro Glu Pro Thr Gly Tyr Asp Trp Ser Thr Thr Ser Gly Thr Phe Pro 
    290                 295                 300                 


Thr Ser Ala Val Ala Gln Gly Ser Gln Leu Val Ile His Ala Val Asp 
305                 310                 315                 320 


Ser Leu Phe Asn Thr Thr Phe Val Cys Thr Val Thr Asn Ala Val Gly 
                325                 330                 335     


Met Gly Arg Ala Glu Gln Val Ile Phe Val Arg Glu Thr Pro Asn Thr 
            340                 345                 350         


Ala Gly Ala Gly Ala Thr Gly Gly Ile Ile Gly Gly Ile Ile Ala Ala 
        355                 360                 365             


Ile Ile Ala Thr Ala Val Ala Ala Thr Gly Ile Leu Ile Cys Arg Gln 
    370                 375                 380                 


Gln Arg Lys Glu Gln Thr Leu Gln Gly Ala Glu Glu Asp Glu Asp Leu 
385                 390                 395                 400 


Glu Gly Pro Pro Ser Tyr Lys Pro Pro Thr Pro Lys Ala Lys Leu Glu 
                405                 410                 415     


Ala Gln Glu Met Pro Ser Gln Leu Phe Thr Leu Gly Ala Ser Glu His 
            420                 425                 430         


Ser Pro Leu Lys Thr Pro Tyr Phe Asp Ala Gly Ala Ser Cys Thr Glu 
        435                 440                 445             


Gln Glu Met Pro Arg Tyr His Glu Leu Pro Thr Leu Glu Glu Arg Ser 
    450                 455                 460                 


Gly Pro Leu His Pro Gly Ala Thr Ser Leu Gly Ser Pro Ile Pro Val 
465                 470                 475                 480 


Pro Pro Gly Pro Pro Ala Val Glu Asp Val Ser Leu Asp Leu Glu Asp 
                485                 490                 495     


Glu Glu Gly Glu Glu Glu Glu Glu Tyr Leu Asp Lys Ile Asn Pro Ile 
            500                 505                 510         


Tyr Asp Ala Leu Ser Tyr Ser Ser Pro Ser Asp Ser Tyr Gln Gly Lys 
        515                 520                 525             


Gly Phe Val Met Ser Arg Ala Met Tyr Val 
    530                 535             


<210>  22
<211>  336
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD226

<400>  22

Met Asp Tyr Pro Thr Leu Leu Leu Ala Leu Leu His Val Tyr Arg Ala 
1               5                   10                  15      


Leu Cys Glu Glu Val Leu Trp His Thr Ser Val Pro Phe Ala Glu Asn 
            20                  25                  30          


Met Ser Leu Glu Cys Val Tyr Pro Ser Met Gly Ile Leu Thr Gln Val 
        35                  40                  45              


Glu Trp Phe Lys Ile Gly Thr Gln Gln Asp Ser Ile Ala Ile Phe Ser 
    50                  55                  60                  


Pro Thr His Gly Met Val Ile Arg Lys Pro Tyr Ala Glu Arg Val Tyr 
65                  70                  75                  80  


Phe Leu Asn Ser Thr Met Ala Ser Asn Asn Met Thr Leu Phe Phe Arg 
                85                  90                  95      


Asn Ala Ser Glu Asp Asp Val Gly Tyr Tyr Ser Cys Ser Leu Tyr Thr 
            100                 105                 110         


Tyr Pro Gln Gly Thr Trp Gln Lys Val Ile Gln Val Val Gln Ser Asp 
        115                 120                 125             


Ser Phe Glu Ala Ala Val Pro Ser Asn Ser His Ile Val Ser Glu Pro 
    130                 135                 140                 


Gly Lys Asn Val Thr Leu Thr Cys Gln Pro Gln Met Thr Trp Pro Val 
145                 150                 155                 160 


Gln Ala Val Arg Trp Glu Lys Ile Gln Pro Arg Gln Ile Asp Leu Leu 
                165                 170                 175     


Thr Tyr Cys Asn Leu Val His Gly Arg Asn Phe Thr Ser Lys Phe Pro 
            180                 185                 190         


Arg Gln Ile Val Ser Asn Cys Ser His Gly Arg Trp Ser Val Ile Val 
        195                 200                 205             


Ile Pro Asp Val Thr Val Ser Asp Ser Gly Leu Tyr Arg Cys Tyr Leu 
    210                 215                 220                 


Gln Ala Ser Ala Gly Glu Asn Glu Thr Phe Val Met Arg Leu Thr Val 
225                 230                 235                 240 


Ala Glu Gly Lys Thr Asp Asn Gln Tyr Thr Leu Phe Val Ala Gly Gly 
                245                 250                 255     


Thr Val Leu Leu Leu Leu Phe Val Ile Ser Ile Thr Thr Ile Ile Val 
            260                 265                 270         


Ile Phe Leu Asn Arg Arg Arg Arg Arg Glu Arg Arg Asp Leu Phe Thr 
        275                 280                 285             


Glu Ser Trp Asp Thr Gln Lys Ala Pro Asn Asn Tyr Arg Ser Pro Ile 
    290                 295                 300                 


Ser Thr Ser Gln Pro Thr Asn Gln Ser Met Asp Asp Thr Arg Glu Asp 
305                 310                 315                 320 


Ile Tyr Val Asn Tyr Pro Thr Phe Ser Arg Arg Pro Lys Thr Arg Val 
                325                 330                 335     


<210>  23
<211>  351
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD2

<400>  23

Met Ser Phe Pro Cys Lys Phe Val Ala Ser Phe Leu Leu Ile Phe Asn 
1               5                   10                  15      


Val Ser Ser Lys Gly Ala Val Ser Lys Glu Ile Thr Asn Ala Leu Glu 
            20                  25                  30          


Thr Trp Gly Ala Leu Gly Gln Asp Ile Asn Leu Asp Ile Pro Ser Phe 
        35                  40                  45              


Gln Met Ser Asp Asp Ile Asp Asp Ile Lys Trp Glu Lys Thr Ser Asp 
    50                  55                  60                  


Lys Lys Lys Ile Ala Gln Phe Arg Lys Glu Lys Glu Thr Phe Lys Glu 
65                  70                  75                  80  


Lys Asp Thr Tyr Lys Leu Phe Lys Asn Gly Thr Leu Lys Ile Lys His 
                85                  90                  95      


Leu Lys Thr Asp Asp Gln Asp Ile Tyr Lys Val Ser Ile Tyr Asp Thr 
            100                 105                 110         


Lys Gly Lys Asn Val Leu Glu Lys Ile Phe Asp Leu Lys Ile Gln Glu 
        115                 120                 125             


Arg Val Ser Lys Pro Lys Ile Ser Trp Thr Cys Ile Asn Thr Thr Leu 
    130                 135                 140                 


Thr Cys Glu Val Met Asn Gly Thr Asp Pro Glu Leu Asn Leu Tyr Gln 
145                 150                 155                 160 


Asp Gly Lys His Leu Lys Leu Ser Gln Arg Val Ile Thr His Lys Trp 
                165                 170                 175     


Thr Thr Ser Leu Ser Ala Lys Phe Lys Cys Thr Ala Gly Asn Lys Val 
            180                 185                 190         


Ser Lys Glu Ser Ser Val Glu Pro Val Ser Cys Pro Glu Lys Gly Leu 
        195                 200                 205             


Asp Ile Tyr Leu Ile Ile Gly Ile Cys Gly Gly Gly Ser Leu Leu Met 
    210                 215                 220                 


Val Phe Val Ala Leu Leu Val Phe Tyr Ile Thr Lys Arg Lys Lys Gln 
225                 230                 235                 240 


Arg Ser Arg Arg Asn Asp Glu Glu Leu Glu Thr Arg Ala His Arg Val 
                245                 250                 255     


Ala Thr Glu Glu Arg Gly Arg Lys Pro His Gln Ile Pro Ala Ser Thr 
            260                 265                 270         


Pro Gln Asn Pro Ala Thr Ser Gln His Pro Pro Pro Pro Pro Gly His 
        275                 280                 285             


Arg Ser Gln Ala Pro Ser His Arg Pro Pro Pro Pro Gly His Arg Val 
    290                 295                 300                 


Gln His Gln Pro Gln Lys Arg Pro Pro Ala Pro Ser Gly Thr Gln Val 
305                 310                 315                 320 


His Gln Gln Lys Gly Pro Pro Leu Pro Arg Pro Arg Val Gln Pro Lys 
                325                 330                 335     


Pro Pro His Gly Ala Ala Glu Asn Ser Leu Ser Pro Ser Ser Asn 
            340                 345                 350     


<210>  24
<211>  180
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD160

<400>  24

Met Leu Leu Glu Pro Gly Arg Gly Cys Cys Ala Leu Ala Ile Leu Leu 
1               5                   10                  15      


Ala Ile Val Asp Ile Gln Ser Gly Gly Cys Ile Asn Ile Thr Ser Ser 
            20                  25                  30          


Ala Ser Gln Glu Gly Thr Arg Leu Asn Leu Ile Cys Thr Val Trp His 
        35                  40                  45              


Lys Lys Glu Glu Ala Glu Gly Phe Val Val Phe Leu Cys Lys Asp Arg 
    50                  55                  60                  


Ser Gly Asp Cys Ser Pro Glu Thr Ser Leu Lys Gln Leu Arg Leu Lys 
65                  70                  75                  80  


Arg Asp Pro Gly Ile Asp Gly Val Gly Glu Ile Ser Ser Gln Leu Met 
                85                  90                  95      


Phe Thr Ile Ser Gln Val Thr Pro Leu His Ser Gly Thr Tyr Gln Cys 
            100                 105                 110         


Cys Ala Arg Ser Gln Lys Ser Gly Ile Arg Leu Gln Gly His Phe Phe 
        115                 120                 125             


Ser Ile Leu Phe Thr Glu Thr Gly Asn Tyr Thr Val Thr Gly Leu Lys 
    130                 135                 140                 


Gln Arg Gln His Leu Glu Phe Ser His Asn Glu Gly Thr Leu Ser Ser 
145                 150                 155                 160 


Gly Phe Leu Gln Glu Lys Val Trp Val Met Leu Val Thr Ser Leu Val 
                165                 170                 175     


Ala Leu Gln Ala 
            180 


<210>  25
<211>  278
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD200

<400>  25

Met Glu Arg Leu Val Ile Arg Met Pro Phe Ser His Leu Ser Thr Tyr 
1               5                   10                  15      


Ser Leu Val Trp Val Met Ala Ala Val Val Leu Cys Thr Ala Gln Val 
            20                  25                  30          


Gln Val Val Thr Gln Asp Glu Arg Glu Gln Leu Tyr Thr Pro Ala Ser 
        35                  40                  45              


Leu Lys Cys Ser Leu Gln Asn Ala Gln Glu Ala Leu Ile Val Thr Trp 
    50                  55                  60                  


Gln Lys Lys Lys Ala Val Ser Pro Glu Asn Met Val Thr Phe Ser Glu 
65                  70                  75                  80  


Asn His Gly Val Val Ile Gln Pro Ala Tyr Lys Asp Lys Ile Asn Ile 
                85                  90                  95      


Thr Gln Leu Gly Leu Gln Asn Ser Thr Ile Thr Phe Trp Asn Ile Thr 
            100                 105                 110         


Leu Glu Asp Glu Gly Cys Tyr Met Cys Leu Phe Asn Thr Phe Gly Phe 
        115                 120                 125             


Gly Lys Ile Ser Gly Thr Ala Cys Leu Thr Val Tyr Val Gln Pro Ile 
    130                 135                 140                 


Val Ser Leu His Tyr Lys Phe Ser Glu Asp His Leu Asn Ile Thr Cys 
145                 150                 155                 160 


Ser Ala Thr Ala Arg Pro Ala Pro Met Val Phe Trp Lys Val Pro Arg 
                165                 170                 175     


Ser Gly Ile Glu Asn Ser Thr Val Thr Leu Ser His Pro Asn Gly Thr 
            180                 185                 190         


Thr Ser Val Thr Ser Ile Leu His Ile Lys Asp Pro Lys Asn Gln Val 
        195                 200                 205             


Gly Lys Glu Val Ile Cys Gln Val Leu His Leu Gly Thr Val Thr Asp 
    210                 215                 220                 


Phe Lys Gln Thr Val Asn Lys Gly Tyr Trp Phe Ser Val Pro Leu Leu 
225                 230                 235                 240 


Leu Ser Ile Val Ser Leu Val Ile Leu Leu Val Leu Ile Ser Ile Leu 
                245                 250                 255     


Leu Tyr Trp Lys Arg His Arg Asn Gln Asp Arg Gly Glu Leu Ser Gln 
            260                 265                 270         


Gly Val Gln Lys Met Thr 
        275             


<210>  26
<211>  325
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD200R1(CD200R)

<400>  26

Met Leu Cys Pro Trp Arg Thr Ala Asn Leu Gly Leu Leu Leu Ile Leu 
1               5                   10                  15      


Thr Ile Phe Leu Val Ala Ala Ser Ser Ser Leu Cys Met Asp Glu Lys 
            20                  25                  30          


Gln Ile Thr Gln Asn Tyr Ser Lys Val Leu Ala Glu Val Asn Thr Ser 
        35                  40                  45              


Trp Pro Val Lys Met Ala Thr Asn Ala Val Leu Cys Cys Pro Pro Ile 
    50                  55                  60                  


Ala Leu Arg Asn Leu Ile Ile Ile Thr Trp Glu Ile Ile Leu Arg Gly 
65                  70                  75                  80  


Gln Pro Ser Cys Thr Lys Ala Tyr Arg Lys Glu Thr Asn Glu Thr Lys 
                85                  90                  95      


Glu Thr Asn Cys Thr Asp Glu Arg Ile Thr Trp Val Ser Arg Pro Asp 
            100                 105                 110         


Gln Asn Ser Asp Leu Gln Ile Arg Pro Val Ala Ile Thr His Asp Gly 
        115                 120                 125             


Tyr Tyr Arg Cys Ile Met Val Thr Pro Asp Gly Asn Phe His Arg Gly 
    130                 135                 140                 


Tyr His Leu Gln Val Leu Val Thr Pro Glu Val Thr Leu Phe Gln Asn 
145                 150                 155                 160 


Arg Asn Arg Thr Ala Val Cys Lys Ala Val Ala Gly Lys Pro Ala Ala 
                165                 170                 175     


Gln Ile Ser Trp Ile Pro Glu Gly Asp Cys Ala Thr Lys Gln Glu Tyr 
            180                 185                 190         


Trp Ser Asn Gly Thr Val Thr Val Lys Ser Thr Cys His Trp Glu Val 
        195                 200                 205             


His Asn Val Ser Thr Val Thr Cys His Val Ser His Leu Thr Gly Asn 
    210                 215                 220                 


Lys Ser Leu Tyr Ile Glu Leu Leu Pro Val Pro Gly Ala Lys Lys Ser 
225                 230                 235                 240 


Ala Lys Leu Tyr Ile Pro Tyr Ile Ile Leu Thr Ile Ile Ile Leu Thr 
                245                 250                 255     


Ile Val Gly Phe Ile Trp Leu Leu Lys Val Asn Gly Cys Arg Lys Tyr 
            260                 265                 270         


Lys Leu Asn Lys Thr Glu Ser Thr Pro Val Val Glu Glu Asp Glu Met 
        275                 280                 285             


Gln Pro Tyr Ala Ser Tyr Thr Glu Lys Asn Asn Pro Leu Tyr Asp Thr 
    290                 295                 300                 


Thr Asn Lys Val Lys Ala Ser Glu Ala Leu Gln Ser Glu Val Asp Thr 
305                 310                 315                 320 


Asp Leu His Thr Leu 
                325 


<210>  27
<211>  201
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  NC R3 (NKp30)

<400>  27

Met Ala Trp Met Leu Leu Leu Ile Leu Ile Met Val His Pro Gly Ser 
1               5                   10                  15      


Cys Ala Leu Trp Val Ser Gln Pro Pro Glu Ile Arg Thr Leu Glu Gly 
            20                  25                  30          


Ser Ser Ala Phe Leu Pro Cys Ser Phe Asn Ala Ser Gln Gly Arg Leu 
        35                  40                  45              


Ala Ile Gly Ser Val Thr Trp Phe Arg Asp Glu Val Val Pro Gly Lys 
    50                  55                  60                  


Glu Val Arg Asn Gly Thr Pro Glu Phe Arg Gly Arg Leu Ala Pro Leu 
65                  70                  75                  80  


Ala Ser Ser Arg Phe Leu His Asp His Gln Ala Glu Leu His Ile Arg 
                85                  90                  95      


Asp Val Arg Gly His Asp Ala Ser Ile Tyr Val Cys Arg Val Glu Val 
            100                 105                 110         


Leu Gly Leu Gly Val Gly Thr Gly Asn Gly Thr Arg Leu Val Val Glu 
        115                 120                 125             


Lys Glu His Pro Gln Leu Gly Ala Gly Thr Val Leu Leu Leu Arg Ala 
    130                 135                 140                 


Gly Phe Tyr Ala Val Ser Phe Leu Ser Val Ala Val Gly Ser Thr Val 
145                 150                 155                 160 


Tyr Tyr Gln Gly Lys Cys Leu Thr Trp Lys Gly Pro Arg Arg Gln Leu 
                165                 170                 175     


Pro Ala Val Val Pro Ala Pro Leu Pro Pro Pro Cys Gly Ser Ser Ala 
            180                 185                 190         


His Leu Leu Pro Pro Val Pro Gly Gly 
        195                 200     


<210>  28
<211>  208
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD80(B7-1) ECD

<400>  28

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  29
<211>  224
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD86(B7-2) ECD

<400>  29

Ala Pro Leu Lys Ile Gln Ala Tyr Phe Asn Glu Thr Ala Asp Leu Pro 
1               5                   10                  15      


Cys Gln Phe Ala Asn Ser Gln Asn Gln Ser Leu Ser Glu Leu Val Val 
            20                  25                  30          


Phe Trp Gln Asp Gln Glu Asn Leu Val Leu Asn Glu Val Tyr Leu Gly 
        35                  40                  45              


Lys Glu Lys Phe Asp Ser Val His Ser Lys Tyr Met Gly Arg Thr Ser 
    50                  55                  60                  


Phe Asp Ser Asp Ser Trp Thr Leu Arg Leu His Asn Leu Gln Ile Lys 
65                  70                  75                  80  


Asp Lys Gly Leu Tyr Gln Cys Ile Ile His His Lys Lys Pro Thr Gly 
                85                  90                  95      


Met Ile Arg Ile His Gln Met Asn Ser Glu Leu Ser Val Leu Ala Asn 
            100                 105                 110         


Phe Ser Gln Pro Glu Ile Val Pro Ile Ser Asn Ile Thr Glu Asn Val 
        115                 120                 125             


Tyr Ile Asn Leu Thr Cys Ser Ser Ile His Gly Tyr Pro Glu Pro Lys 
    130                 135                 140                 


Lys Met Ser Val Leu Leu Arg Thr Lys Asn Ser Thr Ile Glu Tyr Asp 
145                 150                 155                 160 


Gly Val Met Gln Lys Ser Gln Asp Asn Val Thr Glu Leu Tyr Asp Val 
                165                 170                 175     


Ser Ile Ser Leu Ser Val Ser Phe Pro Asp Val Thr Ser Asn Met Thr 
            180                 185                 190         


Ile Phe Cys Ile Leu Glu Thr Asp Lys Thr Arg Leu Leu Ser Ser Pro 
        195                 200                 205             


Phe Ser Ile Glu Leu Glu Asp Pro Gln Pro Pro Pro Asp His Ile Pro 
    210                 215                 220                 


<210>  30
<211>  220
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD274 (PD-L1, B7-H1) ECD

<400>  30

Phe Thr Val Thr Val Pro Lys Asp Leu Tyr Val Val Glu Tyr Gly Ser 
1               5                   10                  15      


Asn Met Thr Ile Glu Cys Lys Phe Pro Val Glu Lys Gln Leu Asp Leu 
            20                  25                  30          


Ala Ala Leu Ile Val Tyr Trp Glu Met Glu Asp Lys Asn Ile Ile Gln 
        35                  40                  45              


Phe Val His Gly Glu Glu Asp Leu Lys Val Gln His Ser Ser Tyr Arg 
    50                  55                  60                  


Gln Arg Ala Arg Leu Leu Lys Asp Gln Leu Ser Leu Gly Asn Ala Ala 
65                  70                  75                  80  


Leu Gln Ile Thr Asp Val Lys Leu Gln Asp Ala Gly Val Tyr Arg Cys 
                85                  90                  95      


Met Ile Ser Tyr Gly Gly Ala Asp Tyr Lys Arg Ile Thr Val Lys Val 
            100                 105                 110         


Asn Ala Pro Tyr Asn Lys Ile Asn Gln Arg Ile Leu Val Val Asp Pro 
        115                 120                 125             


Val Thr Ser Glu His Glu Leu Thr Cys Gln Ala Glu Gly Tyr Pro Lys 
    130                 135                 140                 


Ala Glu Val Ile Trp Thr Ser Ser Asp His Gln Val Leu Ser Gly Lys 
145                 150                 155                 160 


Thr Thr Thr Thr Asn Ser Lys Arg Glu Glu Lys Leu Phe Asn Val Thr 
                165                 170                 175     


Ser Thr Leu Arg Ile Asn Thr Thr Thr Asn Glu Ile Phe Tyr Cys Thr 
            180                 185                 190         


Phe Arg Arg Leu Asp Pro Glu Glu Asn His Thr Ala Glu Leu Val Ile 
        195                 200                 205             


Pro Glu Leu Pro Leu Ala His Pro Pro Asn Glu Arg 
    210                 215                 220 


<210>  31
<211>  201
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  PDCD1LG2(PD-L2, CD273) ECD

<400>  31

Leu Phe Thr Val Thr Val Pro Lys Glu Leu Tyr Ile Ile Glu His Gly 
1               5                   10                  15      


Ser Asn Val Thr Leu Glu Cys Asn Phe Asp Thr Gly Ser His Val Asn 
            20                  25                  30          


Leu Gly Ala Ile Thr Ala Ser Leu Gln Lys Val Glu Asn Asp Thr Ser 
        35                  40                  45              


Pro His Arg Glu Arg Ala Thr Leu Leu Glu Glu Gln Leu Pro Leu Gly 
    50                  55                  60                  


Lys Ala Ser Phe His Ile Pro Gln Val Gln Val Arg Asp Glu Gly Gln 
65                  70                  75                  80  


Tyr Gln Cys Ile Ile Ile Tyr Gly Val Ala Trp Asp Tyr Lys Tyr Leu 
                85                  90                  95      


Thr Leu Lys Val Lys Ala Ser Tyr Arg Lys Ile Asn Thr His Ile Leu 
            100                 105                 110         


Lys Val Pro Glu Thr Asp Glu Val Glu Leu Thr Cys Gln Ala Thr Gly 
        115                 120                 125             


Tyr Pro Leu Ala Glu Val Ser Trp Pro Asn Val Ser Val Pro Ala Asn 
    130                 135                 140                 


Thr Ser His Ser Arg Thr Pro Glu Gly Leu Tyr Gln Val Thr Ser Val 
145                 150                 155                 160 


Leu Arg Leu Lys Pro Pro Pro Gly Arg Asn Phe Ser Cys Val Phe Trp 
                165                 170                 175     


Asn Thr His Val Arg Glu Leu Thr Leu Ala Ser Ile Asp Leu Gln Ser 
            180                 185                 190         


Gln Met Glu Pro Arg Thr His Pro Thr 
        195                 200     


<210>  32
<211>  238
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  ICOSLG(B7RP1, CD275, ICOSL, B7-H2) ECD

<400>  32

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  33
<211>  438
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD276(B7-H3) ECD

<400>  33

Leu Glu Val Gln Val Pro Glu Asp Pro Val Val Ala Leu Val Gly Thr 
1               5                   10                  15      


Asp Ala Thr Leu Cys Cys Ser Phe Ser Pro Glu Pro Gly Phe Ser Leu 
            20                  25                  30          


Ala Gln Leu Asn Leu Ile Trp Gln Leu Thr Asp Thr Lys Gln Leu Val 
        35                  40                  45              


His Ser Phe Ala Glu Gly Gln Asp Gln Gly Ser Ala Tyr Ala Asn Arg 
    50                  55                  60                  


Thr Ala Leu Phe Pro Asp Leu Leu Ala Gln Gly Asn Ala Ser Leu Arg 
65                  70                  75                  80  


Leu Gln Arg Val Arg Val Ala Asp Glu Gly Ser Phe Thr Cys Phe Val 
                85                  90                  95      


Ser Ile Arg Asp Phe Gly Ser Ala Ala Val Ser Leu Gln Val Ala Ala 
            100                 105                 110         


Pro Tyr Ser Lys Pro Ser Met Thr Leu Glu Pro Asn Lys Asp Leu Arg 
        115                 120                 125             


Pro Gly Asp Thr Val Thr Ile Thr Cys Ser Ser Tyr Gln Gly Tyr Pro 
    130                 135                 140                 


Glu Ala Glu Val Phe Trp Gln Asp Gly Gln Gly Val Pro Leu Thr Gly 
145                 150                 155                 160 


Asn Val Thr Thr Ser Gln Met Ala Asn Glu Gln Gly Leu Phe Asp Val 
                165                 170                 175     


His Ser Ile Leu Arg Val Val Leu Gly Ala Asn Gly Thr Tyr Ser Cys 
            180                 185                 190         


Leu Val Arg Asn Pro Val Leu Gln Gln Asp Ala His Ser Ser Val Thr 
        195                 200                 205             


Ile Thr Pro Gln Arg Ser Pro Thr Gly Ala Val Glu Val Gln Val Pro 
    210                 215                 220                 


Glu Asp Pro Val Val Ala Leu Val Gly Thr Asp Ala Thr Leu Arg Cys 
225                 230                 235                 240 


Ser Phe Ser Pro Glu Pro Gly Phe Ser Leu Ala Gln Leu Asn Leu Ile 
                245                 250                 255     


Trp Gln Leu Thr Asp Thr Lys Gln Leu Val His Ser Phe Thr Glu Gly 
            260                 265                 270         


Arg Asp Gln Gly Ser Ala Tyr Ala Asn Arg Thr Ala Leu Phe Pro Asp 
        275                 280                 285             


Leu Leu Ala Gln Gly Asn Ala Ser Leu Arg Leu Gln Arg Val Arg Val 
    290                 295                 300                 


Ala Asp Glu Gly Ser Phe Thr Cys Phe Val Ser Ile Arg Asp Phe Gly 
305                 310                 315                 320 


Ser Ala Ala Val Ser Leu Gln Val Ala Ala Pro Tyr Ser Lys Pro Ser 
                325                 330                 335     


Met Thr Leu Glu Pro Asn Lys Asp Leu Arg Pro Gly Asp Thr Val Thr 
            340                 345                 350         


Ile Thr Cys Ser Ser Tyr Arg Gly Tyr Pro Glu Ala Glu Val Phe Trp 
        355                 360                 365             


Gln Asp Gly Gln Gly Val Pro Leu Thr Gly Asn Val Thr Thr Ser Gln 
    370                 375                 380                 


Met Ala Asn Glu Gln Gly Leu Phe Asp Val His Ser Val Leu Arg Val 
385                 390                 395                 400 


Val Leu Gly Ala Asn Gly Thr Tyr Ser Cys Leu Val Arg Asn Pro Val 
                405                 410                 415     


Leu Gln Gln Asp Ala His Gly Ser Val Thr Ile Thr Gly Gln Pro Met 
            420                 425                 430         


Thr Phe Pro Pro Glu Ala 
        435             


<210>  34
<211>  235
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  VTCN1(B7-H4) ECD

<400>  34

Leu Ile Ile Gly Phe Gly Ile Ser Gly Arg His Ser Ile Thr Val Thr 
1               5                   10                  15      


Thr Val Ala Ser Ala Gly Asn Ile Gly Glu Asp Gly Ile Leu Ser Cys 
            20                  25                  30          


Thr Phe Glu Pro Asp Ile Lys Leu Ser Asp Ile Val Ile Gln Trp Leu 
        35                  40                  45              


Lys Glu Gly Val Leu Gly Leu Val His Glu Phe Lys Glu Gly Lys Asp 
    50                  55                  60                  


Glu Leu Ser Glu Gln Asp Glu Met Phe Arg Gly Arg Thr Ala Val Phe 
65                  70                  75                  80  


Ala Asp Gln Val Ile Val Gly Asn Ala Ser Leu Arg Leu Lys Asn Val 
                85                  90                  95      


Gln Leu Thr Asp Ala Gly Thr Tyr Lys Cys Tyr Ile Ile Thr Ser Lys 
            100                 105                 110         


Gly Lys Gly Asn Ala Asn Leu Glu Tyr Lys Thr Gly Ala Phe Ser Met 
        115                 120                 125             


Pro Glu Val Asn Val Asp Tyr Asn Ala Ser Ser Glu Thr Leu Arg Cys 
    130                 135                 140                 


Glu Ala Pro Arg Trp Phe Pro Gln Pro Thr Val Val Trp Ala Ser Gln 
145                 150                 155                 160 


Val Asp Gln Gly Ala Asn Phe Ser Glu Val Ser Asn Thr Ser Phe Glu 
                165                 170                 175     


Leu Asn Ser Glu Asn Val Thr Met Lys Val Val Ser Val Leu Tyr Asn 
            180                 185                 190         


Val Thr Ile Asn Asn Thr Tyr Ser Cys Met Ile Glu Asn Asp Ile Ala 
        195                 200                 205             


Lys Ala Thr Gly Asp Ile Lys Val Thr Glu Ser Glu Ile Lys Arg Arg 
    210                 215                 220                 


Ser His Leu Gln Leu Leu Asn Ser Lys Ala Ser 
225                 230                 235 


<210>  35
<211>  134
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD28 ECD

<400>  35

Asn Lys Ile Leu Val Lys Gln Ser Pro Met Leu Val Ala Tyr Asp Asn 
1               5                   10                  15      


Ala Val Asn Leu Ser Cys Lys Tyr Ser Tyr Asn Leu Phe Ser Arg Glu 
            20                  25                  30          


Phe Arg Ala Ser Leu His Lys Gly Leu Asp Ser Ala Val Glu Val Cys 
        35                  40                  45              


Val Val Tyr Gly Asn Tyr Ser Gln Gln Leu Gln Val Tyr Ser Lys Thr 
    50                  55                  60                  


Gly Phe Asn Cys Asp Gly Lys Leu Gly Asn Glu Ser Val Thr Phe Tyr 
65                  70                  75                  80  


Leu Gln Asn Leu Tyr Val Asn Gln Thr Asp Ile Tyr Phe Cys Lys Ile 
                85                  90                  95      


Glu Val Met Tyr Pro Pro Pro Tyr Leu Asp Asn Glu Lys Ser Asn Gly 
            100                 105                 110         


Thr Ile Ile His Val Lys Gly Lys His Leu Cys Pro Ser Pro Leu Phe 
        115                 120                 125             


Pro Gly Pro Ser Lys Pro 
    130                 


<210>  36
<211>  126
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CTLA4 ECD

<400>  36

Lys Ala Met His Val Ala Gln Pro Ala Val Val Leu Ala Ser Ser Arg 
1               5                   10                  15      


Gly Ile Ala Ser Phe Val Cys Glu Tyr Ala Ser Pro Gly Lys Ala Thr 
            20                  25                  30          


Glu Val Arg Val Thr Val Leu Arg Gln Ala Asp Ser Gln Val Thr Glu 
        35                  40                  45              


Val Cys Ala Ala Thr Tyr Met Met Gly Asn Glu Leu Thr Phe Leu Asp 
    50                  55                  60                  


Asp Ser Ile Cys Thr Gly Thr Ser Ser Gly Asn Gln Val Asn Leu Thr 
65                  70                  75                  80  


Ile Gln Gly Leu Arg Ala Met Asp Thr Gly Leu Tyr Ile Cys Lys Val 
                85                  90                  95      


Glu Leu Met Tyr Pro Pro Pro Tyr Tyr Leu Gly Ile Gly Asn Gly Thr 
            100                 105                 110         


Gln Ile Tyr Val Ile Asp Pro Glu Pro Cys Pro Asp Ser Asp 
        115                 120                 125     


<210>  37
<211>  150
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  PDCD1(PD-1) ECD

<400>  37

Pro Gly Trp Phe Leu Asp Ser Pro Asp Arg Pro Trp Asn Pro Pro Thr 
1               5                   10                  15      


Phe Ser Pro Ala Leu Leu Val Val Thr Glu Gly Asp Asn Ala Thr Phe 
            20                  25                  30          


Thr Cys Ser Phe Ser Asn Thr Ser Glu Ser Phe Val Leu Asn Trp Tyr 
        35                  40                  45              


Arg Met Ser Pro Ser Asn Gln Thr Asp Lys Leu Ala Ala Phe Pro Glu 
    50                  55                  60                  


Asp Arg Ser Gln Pro Gly Gln Asp Cys Arg Phe Arg Val Thr Gln Leu 
65                  70                  75                  80  


Pro Asn Gly Arg Asp Phe His Met Ser Val Val Arg Ala Arg Arg Asn 
                85                  90                  95      


Asp Ser Gly Thr Tyr Leu Cys Gly Ala Ile Ser Leu Ala Pro Lys Ala 
            100                 105                 110         


Gln Ile Lys Glu Ser Leu Arg Ala Glu Leu Arg Val Thr Glu Arg Arg 
        115                 120                 125             


Ala Glu Val Pro Thr Ala His Pro Ser Pro Ser Pro Arg Pro Ala Gly 
    130                 135                 140                 


Gln Phe Gln Thr Leu Val 
145                 150 


<210>  38
<211>  120
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  ICOS ECD

<400>  38

Glu Ile Asn Gly Ser Ala Asn Tyr Glu Met Phe Ile Phe His Asn Gly 
1               5                   10                  15      


Gly Val Gln Ile Leu Cys Lys Tyr Pro Asp Ile Val Gln Gln Phe Lys 
            20                  25                  30          


Met Gln Leu Leu Lys Gly Gly Gln Ile Leu Cys Asp Leu Thr Lys Thr 
        35                  40                  45              


Lys Gly Ser Gly Asn Thr Val Ser Ile Lys Ser Leu Lys Phe Cys His 
    50                  55                  60                  


Ser Gln Leu Ser Asn Asn Ser Val Ser Phe Phe Leu Tyr Asn Leu Asp 
65                  70                  75                  80  


His Ser His Ala Asn Tyr Tyr Phe Cys Asn Leu Ser Ile Phe Asp Pro 
                85                  90                  95      


Pro Pro Phe Lys Val Thr Leu Thr Gly Gly Tyr Leu His Ile Tyr Glu 
            100                 105                 110         


Ser Gln Leu Cys Cys Gln Leu Lys 
        115                 120 


<210>  39
<211>  127
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  BTLA(CD272) ECD

<400>  39

Lys Glu Ser Cys Asp Val Gln Leu Tyr Ile Lys Arg Gln Ser Glu His 
1               5                   10                  15      


Ser Ile Leu Ala Gly Asp Pro Phe Glu Leu Glu Cys Pro Val Lys Tyr 
            20                  25                  30          


Cys Ala Asn Arg Pro His Val Thr Trp Cys Lys Leu Asn Gly Thr Thr 
        35                  40                  45              


Cys Val Lys Leu Glu Asp Arg Gln Thr Ser Trp Lys Glu Glu Lys Asn 
    50                  55                  60                  


Ile Ser Phe Phe Ile Leu His Phe Glu Pro Val Leu Pro Asn Asp Asn 
65                  70                  75                  80  


Gly Ser Tyr Arg Cys Ser Ala Asn Phe Gln Ser Asn Leu Ile Glu Ser 
                85                  90                  95      


His Ser Thr Thr Leu Tyr Val Thr Asp Val Lys Ser Ala Ser Glu Arg 
            100                 105                 110         


Pro Ser Lys Asp Glu Met Ala Ser Arg Pro Trp Leu Leu Tyr Arg 
        115                 120                 125         


<210>  40
<211>  371
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD4 ECD

<400>  40

Lys Lys Val Val Leu Gly Lys Lys Gly Asp Thr Val Glu Leu Thr Cys 
1               5                   10                  15      


Thr Ala Ser Gln Lys Lys Ser Ile Gln Phe His Trp Lys Asn Ser Asn 
            20                  25                  30          


Gln Ile Lys Ile Leu Gly Asn Gln Gly Ser Phe Leu Thr Lys Gly Pro 
        35                  40                  45              


Ser Lys Leu Asn Asp Arg Ala Asp Ser Arg Arg Ser Leu Trp Asp Gln 
    50                  55                  60                  


Gly Asn Phe Pro Leu Ile Ile Lys Asn Leu Lys Ile Glu Asp Ser Asp 
65                  70                  75                  80  


Thr Tyr Ile Cys Glu Val Glu Asp Gln Lys Glu Glu Val Gln Leu Leu 
                85                  90                  95      


Val Phe Gly Leu Thr Ala Asn Ser Asp Thr His Leu Leu Gln Gly Gln 
            100                 105                 110         


Ser Leu Thr Leu Thr Leu Glu Ser Pro Pro Gly Ser Ser Pro Ser Val 
        115                 120                 125             


Gln Cys Arg Ser Pro Arg Gly Lys Asn Ile Gln Gly Gly Lys Thr Leu 
    130                 135                 140                 


Ser Val Ser Gln Leu Glu Leu Gln Asp Ser Gly Thr Trp Thr Cys Thr 
145                 150                 155                 160 


Val Leu Gln Asn Gln Lys Lys Val Glu Phe Lys Ile Asp Ile Val Val 
                165                 170                 175     


Leu Ala Phe Gln Lys Ala Ser Ser Ile Val Tyr Lys Lys Glu Gly Glu 
            180                 185                 190         


Gln Val Glu Phe Ser Phe Pro Leu Ala Phe Thr Val Glu Lys Leu Thr 
        195                 200                 205             


Gly Ser Gly Glu Leu Trp Trp Gln Ala Glu Arg Ala Ser Ser Ser Lys 
    210                 215                 220                 


Ser Trp Ile Thr Phe Asp Leu Lys Asn Lys Glu Val Ser Val Lys Arg 
225                 230                 235                 240 


Val Thr Gln Asp Pro Lys Leu Gln Met Gly Lys Lys Leu Pro Leu His 
                245                 250                 255     


Leu Thr Leu Pro Gln Ala Leu Pro Gln Tyr Ala Gly Ser Gly Asn Leu 
            260                 265                 270         


Thr Leu Ala Leu Glu Ala Lys Thr Gly Lys Leu His Gln Glu Val Asn 
        275                 280                 285             


Leu Val Val Met Arg Ala Thr Gln Leu Gln Lys Asn Leu Thr Cys Glu 
    290                 295                 300                 


Val Trp Gly Pro Thr Ser Pro Lys Leu Met Leu Ser Leu Lys Leu Glu 
305                 310                 315                 320 


Asn Lys Glu Ala Lys Val Ser Lys Arg Glu Lys Ala Val Trp Val Leu 
                325                 330                 335     


Asn Pro Glu Ala Gly Met Trp Gln Cys Leu Leu Ser Asp Ser Gly Gln 
            340                 345                 350         


Val Leu Leu Glu Ser Asn Ile Lys Val Leu Pro Thr Trp Ser Thr Pro 
        355                 360                 365             


Val Gln Pro 
    370     


<210>  41
<211>  161
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD8A(CD8-alpha) ECD

<400>  41

Ser Gln Phe Arg Val Ser Pro Leu Asp Arg Thr Trp Asn Leu Gly Glu 
1               5                   10                  15      


Thr Val Glu Leu Lys Cys Gln Val Leu Leu Ser Asn Pro Thr Ser Gly 
            20                  25                  30          


Cys Ser Trp Leu Phe Gln Pro Arg Gly Ala Ala Ala Ser Pro Thr Phe 
        35                  40                  45              


Leu Leu Tyr Leu Ser Gln Asn Lys Pro Lys Ala Ala Glu Gly Leu Asp 
    50                  55                  60                  


Thr Gln Arg Phe Ser Gly Lys Arg Leu Gly Asp Thr Phe Val Leu Thr 
65                  70                  75                  80  


Leu Ser Asp Phe Arg Arg Glu Asn Glu Gly Tyr Tyr Phe Cys Ser Ala 
                85                  90                  95      


Leu Ser Asn Ser Ile Met Tyr Phe Ser His Phe Val Pro Val Phe Leu 
            100                 105                 110         


Pro Ala Lys Pro Thr Thr Thr Pro Ala Pro Arg Pro Pro Thr Pro Ala 
        115                 120                 125             


Pro Thr Ile Ala Ser Gln Pro Leu Ser Leu Arg Pro Glu Ala Cys Arg 
    130                 135                 140                 


Pro Ala Ala Gly Gly Ala Val His Thr Arg Gly Leu Asp Phe Ala Cys 
145                 150                 155                 160 


Asp 
    


<210>  42
<211>  149
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD8B(CD8-beta) ECD

<400>  42

Leu Gln Gln Thr Pro Ala Tyr Ile Lys Val Gln Thr Asn Lys Met Val 
1               5                   10                  15      


Met Leu Ser Cys Glu Ala Lys Ile Ser Leu Ser Asn Met Arg Ile Tyr 
            20                  25                  30          


Trp Leu Arg Gln Arg Gln Ala Pro Ser Ser Asp Ser His His Glu Phe 
        35                  40                  45              


Leu Ala Leu Trp Asp Ser Ala Lys Gly Thr Ile His Gly Glu Glu Val 
    50                  55                  60                  


Glu Gln Glu Lys Ile Ala Val Phe Arg Asp Ala Ser Arg Phe Ile Leu 
65                  70                  75                  80  


Asn Leu Thr Ser Val Lys Pro Glu Asp Ser Gly Ile Tyr Phe Cys Met 
                85                  90                  95      


Ile Val Gly Ser Pro Glu Leu Thr Phe Gly Lys Gly Thr Gln Leu Ser 
            100                 105                 110         


Val Val Asp Phe Leu Pro Thr Thr Ala Gln Pro Thr Lys Lys Ser Thr 
        115                 120                 125             


Leu Lys Lys Arg Val Cys Arg Leu Pro Arg Pro Glu Thr Gln Lys Gly 
    130                 135                 140                 


Pro Leu Cys Ser Pro 
145                 


<210>  43
<211>  422
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  LAG3 ECD

<400>  43

Val Pro Val Val Trp Ala Gln Glu Gly Ala Pro Ala Gln Leu Pro Cys 
1               5                   10                  15      


Ser Pro Thr Ile Pro Leu Gln Asp Leu Ser Leu Leu Arg Arg Ala Gly 
            20                  25                  30          


Val Thr Trp Gln His Gln Pro Asp Ser Gly Pro Pro Ala Ala Ala Pro 
        35                  40                  45              


Gly His Pro Leu Ala Pro Gly Pro His Pro Ala Ala Pro Ser Ser Trp 
    50                  55                  60                  


Gly Pro Arg Pro Arg Arg Tyr Thr Val Leu Ser Val Gly Pro Gly Gly 
65                  70                  75                  80  


Leu Arg Ser Gly Arg Leu Pro Leu Gln Pro Arg Val Gln Leu Asp Glu 
                85                  90                  95      


Arg Gly Arg Gln Arg Gly Asp Phe Ser Leu Trp Leu Arg Pro Ala Arg 
            100                 105                 110         


Arg Ala Asp Ala Gly Glu Tyr Arg Ala Ala Val His Leu Arg Asp Arg 
        115                 120                 125             


Ala Leu Ser Cys Arg Leu Arg Leu Arg Leu Gly Gln Ala Ser Met Thr 
    130                 135                 140                 


Ala Ser Pro Pro Gly Ser Leu Arg Ala Ser Asp Trp Val Ile Leu Asn 
145                 150                 155                 160 


Cys Ser Phe Ser Arg Pro Asp Arg Pro Ala Ser Val His Trp Phe Arg 
                165                 170                 175     


Asn Arg Gly Gln Gly Arg Val Pro Val Arg Glu Ser Pro His His His 
            180                 185                 190         


Leu Ala Glu Ser Phe Leu Phe Leu Pro Gln Val Ser Pro Met Asp Ser 
        195                 200                 205             


Gly Pro Trp Gly Cys Ile Leu Thr Tyr Arg Asp Gly Phe Asn Val Ser 
    210                 215                 220                 


Ile Met Tyr Asn Leu Thr Val Leu Gly Leu Glu Pro Pro Thr Pro Leu 
225                 230                 235                 240 


Thr Val Tyr Ala Gly Ala Gly Ser Arg Val Gly Leu Pro Cys Arg Leu 
                245                 250                 255     


Pro Ala Gly Val Gly Thr Arg Ser Phe Leu Thr Ala Lys Trp Thr Pro 
            260                 265                 270         


Pro Gly Gly Gly Pro Asp Leu Leu Val Thr Gly Asp Asn Gly Asp Phe 
        275                 280                 285             


Thr Leu Arg Leu Glu Asp Val Ser Gln Ala Gln Ala Gly Thr Tyr Thr 
    290                 295                 300                 


Cys His Ile His Leu Gln Glu Gln Gln Leu Asn Ala Thr Val Thr Leu 
305                 310                 315                 320 


Ala Ile Ile Thr Val Thr Pro Lys Ser Phe Gly Ser Pro Gly Ser Leu 
                325                 330                 335     


Gly Lys Leu Leu Cys Glu Val Thr Pro Val Ser Gly Gln Glu Arg Phe 
            340                 345                 350         


Val Trp Ser Ser Leu Asp Thr Pro Ser Gln Arg Ser Phe Ser Gly Pro 
        355                 360                 365             


Trp Leu Glu Ala Gln Glu Ala Gln Leu Leu Ser Gln Pro Trp Gln Cys 
    370                 375                 380                 


Gln Leu Tyr Gln Gly Glu Arg Leu Leu Gly Ala Ala Val Tyr Phe Thr 
385                 390                 395                 400 


Glu Leu Ser Ser Pro Gly Ala Gln Arg Ser Gly Arg Ala Pro Gly Ala 
                405                 410                 415     


Leu Pro Ala Gly His Leu 
            420         


<210>  44
<211>  181
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  HAVCR2(TIM-3) ECD

<400>  44

Ser Glu Val Glu Tyr Arg Ala Glu Val Gly Gln Asn Ala Tyr Leu Pro 
1               5                   10                  15      


Cys Phe Tyr Thr Pro Ala Ala Pro Gly Asn Leu Val Pro Val Cys Trp 
            20                  25                  30          


Gly Lys Gly Ala Cys Pro Val Phe Glu Cys Gly Asn Val Val Leu Arg 
        35                  40                  45              


Thr Asp Glu Arg Asp Val Asn Tyr Trp Thr Ser Arg Tyr Trp Leu Asn 
    50                  55                  60                  


Gly Asp Phe Arg Lys Gly Asp Val Ser Leu Thr Ile Glu Asn Val Thr 
65                  70                  75                  80  


Leu Ala Asp Ser Gly Ile Tyr Cys Cys Arg Ile Gln Ile Pro Gly Ile 
                85                  90                  95      


Met Asn Asp Glu Lys Phe Asn Leu Lys Leu Val Ile Lys Pro Ala Lys 
            100                 105                 110         


Val Thr Pro Ala Pro Thr Arg Gln Arg Asp Phe Thr Ala Ala Phe Pro 
        115                 120                 125             


Arg Met Leu Thr Thr Arg Gly His Gly Pro Ala Glu Thr Gln Thr Leu 
    130                 135                 140                 


Gly Ser Leu Pro Asp Ile Asn Leu Thr Gln Ile Ser Thr Leu Ala Asn 
145                 150                 155                 160 


Glu Leu Arg Asp Ser Arg Leu Ala Asn Asp Leu Arg Asp Ser Gly Ala 
                165                 170                 175     


Thr Ile Arg Ile Gly 
            180     


<210>  45
<211>  394
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CEACAM1 ECD

<400>  45

Gln Leu Thr Thr Glu Ser Met Pro Phe Asn Val Ala Glu Gly Lys Glu 
1               5                   10                  15      


Val Leu Leu Leu Val His Asn Leu Pro Gln Gln Leu Phe Gly Tyr Ser 
            20                  25                  30          


Trp Tyr Lys Gly Glu Arg Val Asp Gly Asn Arg Gln Ile Val Gly Tyr 
        35                  40                  45              


Ala Ile Gly Thr Gln Gln Ala Thr Pro Gly Pro Ala Asn Ser Gly Arg 
    50                  55                  60                  


Glu Thr Ile Tyr Pro Asn Ala Ser Leu Leu Ile Gln Asn Val Thr Gln 
65                  70                  75                  80  


Asn Asp Thr Gly Phe Tyr Thr Leu Gln Val Ile Lys Ser Asp Leu Val 
                85                  90                  95      


Asn Glu Glu Ala Thr Gly Gln Phe His Val Tyr Pro Glu Leu Pro Lys 
            100                 105                 110         


Pro Ser Ile Ser Ser Asn Asn Ser Asn Pro Val Glu Asp Lys Asp Ala 
        115                 120                 125             


Val Ala Phe Thr Cys Glu Pro Glu Thr Gln Asp Thr Thr Tyr Leu Trp 
    130                 135                 140                 


Trp Ile Asn Asn Gln Ser Leu Pro Val Ser Pro Arg Leu Gln Leu Ser 
145                 150                 155                 160 


Asn Gly Asn Arg Thr Leu Thr Leu Leu Ser Val Thr Arg Asn Asp Thr 
                165                 170                 175     


Gly Pro Tyr Glu Cys Glu Ile Gln Asn Pro Val Ser Ala Asn Arg Ser 
            180                 185                 190         


Asp Pro Val Thr Leu Asn Val Thr Tyr Gly Pro Asp Thr Pro Thr Ile 
        195                 200                 205             


Ser Pro Ser Asp Thr Tyr Tyr Arg Pro Gly Ala Asn Leu Ser Leu Ser 
    210                 215                 220                 


Cys Tyr Ala Ala Ser Asn Pro Pro Ala Gln Tyr Ser Trp Leu Ile Asn 
225                 230                 235                 240 


Gly Thr Phe Gln Gln Ser Thr Gln Glu Leu Phe Ile Pro Asn Ile Thr 
                245                 250                 255     


Val Asn Asn Ser Gly Ser Tyr Thr Cys His Ala Asn Asn Ser Val Thr 
            260                 265                 270         


Gly Cys Asn Arg Thr Thr Val Lys Thr Ile Ile Val Thr Glu Leu Ser 
        275                 280                 285             


Pro Val Val Ala Lys Pro Gln Ile Lys Ala Ser Lys Thr Thr Val Thr 
    290                 295                 300                 


Gly Asp Lys Asp Ser Val Asn Leu Thr Cys Ser Thr Asn Asp Thr Gly 
305                 310                 315                 320 


Ile Ser Ile Arg Trp Phe Phe Lys Asn Gln Ser Leu Pro Ser Ser Glu 
                325                 330                 335     


Arg Met Lys Leu Ser Gln Gly Asn Thr Thr Leu Ser Ile Asn Pro Val 
            340                 345                 350         


Lys Arg Glu Asp Ala Gly Thr Tyr Trp Cys Glu Val Phe Asn Pro Ile 
        355                 360                 365             


Ser Lys Asn Gln Ser Asp Pro Ile Met Leu Asn Val Asn Tyr Asn Ala 
    370                 375                 380                 


Leu Pro Gln Glu Asn Gly Leu Ser Pro Gly 
385                 390                 


<210>  46
<211>  120
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  TIGIT ECD

<400>  46

Met Met Thr Gly Thr Ile Glu Thr Thr Gly Asn Ile Ser Ala Glu Lys 
1               5                   10                  15      


Gly Gly Ser Ile Ile Leu Gln Cys His Leu Ser Ser Thr Thr Ala Gln 
            20                  25                  30          


Val Thr Gln Val Asn Trp Glu Gln Gln Asp Gln Leu Leu Ala Ile Cys 
        35                  40                  45              


Asn Ala Asp Leu Gly Trp His Ile Ser Pro Ser Phe Lys Asp Arg Val 
    50                  55                  60                  


Ala Pro Gly Pro Gly Leu Gly Leu Thr Leu Gln Ser Leu Thr Val Asn 
65                  70                  75                  80  


Asp Thr Gly Glu Tyr Phe Cys Ile Tyr His Thr Tyr Pro Asp Gly Thr 
                85                  90                  95      


Tyr Thr Gly Arg Ile Phe Leu Glu Val Leu Glu Ser Ser Val Ala Glu 
            100                 105                 110         


His Gly Ala Arg Phe Gln Ile Pro 
        115                 120 


<210>  47
<211>  323
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  PVR(CD155) ECD

<400>  47

Trp Pro Pro Pro Gly Thr Gly Asp Val Val Val Gln Ala Pro Thr Gln 
1               5                   10                  15      


Val Pro Gly Phe Leu Gly Asp Ser Val Thr Leu Pro Cys Tyr Leu Gln 
            20                  25                  30          


Val Pro Asn Met Glu Val Thr His Val Ser Gln Leu Thr Trp Ala Arg 
        35                  40                  45              


His Gly Glu Ser Gly Ser Met Ala Val Phe His Gln Thr Gln Gly Pro 
    50                  55                  60                  


Ser Tyr Ser Glu Ser Lys Arg Leu Glu Phe Val Ala Ala Arg Leu Gly 
65                  70                  75                  80  


Ala Glu Leu Arg Asn Ala Ser Leu Arg Met Phe Gly Leu Arg Val Glu 
                85                  90                  95      


Asp Glu Gly Asn Tyr Thr Cys Leu Phe Val Thr Phe Pro Gln Gly Ser 
            100                 105                 110         


Arg Ser Val Asp Ile Trp Leu Arg Val Leu Ala Lys Pro Gln Asn Thr 
        115                 120                 125             


Ala Glu Val Gln Lys Val Gln Leu Thr Gly Glu Pro Val Pro Met Ala 
    130                 135                 140                 


Arg Cys Val Ser Thr Gly Gly Arg Pro Pro Ala Gln Ile Thr Trp His 
145                 150                 155                 160 


Ser Asp Leu Gly Gly Met Pro Asn Thr Ser Gln Val Pro Gly Phe Leu 
                165                 170                 175     


Ser Gly Thr Val Thr Val Thr Ser Leu Trp Ile Leu Val Pro Ser Ser 
            180                 185                 190         


Gln Val Asp Gly Lys Asn Val Thr Cys Lys Val Glu His Glu Ser Phe 
        195                 200                 205             


Glu Lys Pro Gln Leu Leu Thr Val Asn Leu Thr Val Tyr Tyr Pro Pro 
    210                 215                 220                 


Glu Val Ser Ile Ser Gly Tyr Asp Asn Asn Trp Tyr Leu Gly Gln Asn 
225                 230                 235                 240 


Glu Ala Thr Leu Thr Cys Asp Ala Arg Ser Asn Pro Glu Pro Thr Gly 
                245                 250                 255     


Tyr Asn Trp Ser Thr Thr Met Gly Pro Leu Pro Pro Phe Ala Val Ala 
            260                 265                 270         


Gln Gly Ala Gln Leu Leu Ile Arg Pro Val Asp Lys Pro Ile Asn Thr 
        275                 280                 285             


Thr Leu Ile Cys Asn Val Thr Asn Ala Leu Gly Ala Arg Gln Ala Glu 
    290                 295                 300                 


Leu Thr Val Gln Val Lys Glu Gly Pro Pro Ser Glu His Ser Gly Ile 
305                 310                 315                 320 


Ser Arg Asn 
            


<210>  48
<211>  329
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  PVRL2(CD112) ECD

<400>  48

Gln Asp Val Arg Val Gln Val Leu Pro Glu Val Arg Gly Gln Leu Gly 
1               5                   10                  15      


Gly Thr Val Glu Leu Pro Cys His Leu Leu Pro Pro Val Pro Gly Leu 
            20                  25                  30          


Tyr Ile Ser Leu Val Thr Trp Gln Arg Pro Asp Ala Pro Ala Asn His 
        35                  40                  45              


Gln Asn Val Ala Ala Phe His Pro Lys Met Gly Pro Ser Phe Pro Ser 
    50                  55                  60                  


Pro Lys Pro Gly Ser Glu Arg Leu Ser Phe Val Ser Ala Lys Gln Ser 
65                  70                  75                  80  


Thr Gly Gln Asp Thr Glu Ala Glu Leu Gln Asp Ala Thr Leu Ala Leu 
                85                  90                  95      


His Gly Leu Thr Val Glu Asp Glu Gly Asn Tyr Thr Cys Glu Phe Ala 
            100                 105                 110         


Thr Phe Pro Lys Gly Ser Val Arg Gly Met Thr Trp Leu Arg Val Ile 
        115                 120                 125             


Ala Lys Pro Lys Asn Gln Ala Glu Ala Gln Lys Val Thr Phe Ser Gln 
    130                 135                 140                 


Asp Pro Thr Thr Val Ala Leu Cys Ile Ser Lys Glu Gly Arg Pro Pro 
145                 150                 155                 160 


Ala Arg Ile Ser Trp Leu Ser Ser Leu Asp Trp Glu Ala Lys Glu Thr 
                165                 170                 175     


Gln Val Ser Gly Thr Leu Ala Gly Thr Val Thr Val Thr Ser Arg Phe 
            180                 185                 190         


Thr Leu Val Pro Ser Gly Arg Ala Asp Gly Val Thr Val Thr Cys Lys 
        195                 200                 205             


Val Glu His Glu Ser Phe Glu Glu Pro Ala Leu Ile Pro Val Thr Leu 
    210                 215                 220                 


Ser Val Arg Tyr Pro Pro Glu Val Ser Ile Ser Gly Tyr Asp Asp Asn 
225                 230                 235                 240 


Trp Tyr Leu Gly Arg Thr Asp Ala Thr Leu Ser Cys Asp Val Arg Ser 
                245                 250                 255     


Asn Pro Glu Pro Thr Gly Tyr Asp Trp Ser Thr Thr Ser Gly Thr Phe 
            260                 265                 270         


Pro Thr Ser Ala Val Ala Gln Gly Ser Gln Leu Val Ile His Ala Val 
        275                 280                 285             


Asp Ser Leu Phe Asn Thr Thr Phe Val Cys Thr Val Thr Asn Ala Val 
    290                 295                 300                 


Gly Met Gly Arg Ala Glu Gln Val Ile Phe Val Arg Glu Thr Pro Asn 
305                 310                 315                 320 


Thr Ala Gly Ala Gly Ala Thr Gly Gly 
                325                 


<210>  49
<211>  236
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD226 ECD

<400>  49

Glu Glu Val Leu Trp His Thr Ser Val Pro Phe Ala Glu Asn Met Ser 
1               5                   10                  15      


Leu Glu Cys Val Tyr Pro Ser Met Gly Ile Leu Thr Gln Val Glu Trp 
            20                  25                  30          


Phe Lys Ile Gly Thr Gln Gln Asp Ser Ile Ala Ile Phe Ser Pro Thr 
        35                  40                  45              


His Gly Met Val Ile Arg Lys Pro Tyr Ala Glu Arg Val Tyr Phe Leu 
    50                  55                  60                  


Asn Ser Thr Met Ala Ser Asn Asn Met Thr Leu Phe Phe Arg Asn Ala 
65                  70                  75                  80  


Ser Glu Asp Asp Val Gly Tyr Tyr Ser Cys Ser Leu Tyr Thr Tyr Pro 
                85                  90                  95      


Gln Gly Thr Trp Gln Lys Val Ile Gln Val Val Gln Ser Asp Ser Phe 
            100                 105                 110         


Glu Ala Ala Val Pro Ser Asn Ser His Ile Val Ser Glu Pro Gly Lys 
        115                 120                 125             


Asn Val Thr Leu Thr Cys Gln Pro Gln Met Thr Trp Pro Val Gln Ala 
    130                 135                 140                 


Val Arg Trp Glu Lys Ile Gln Pro Arg Gln Ile Asp Leu Leu Thr Tyr 
145                 150                 155                 160 


Cys Asn Leu Val His Gly Arg Asn Phe Thr Ser Lys Phe Pro Arg Gln 
                165                 170                 175     


Ile Val Ser Asn Cys Ser His Gly Arg Trp Ser Val Ile Val Ile Pro 
            180                 185                 190         


Asp Val Thr Val Ser Asp Ser Gly Leu Tyr Arg Cys Tyr Leu Gln Ala 
        195                 200                 205             


Ser Ala Gly Glu Asn Glu Thr Phe Val Met Arg Leu Thr Val Ala Glu 
    210                 215                 220                 


Gly Lys Thr Asp Asn Gln Tyr Thr Leu Phe Val Ala 
225                 230                 235     


<210>  50
<211>  185
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD2 ECD

<400>  50

Lys Glu Ile Thr Asn Ala Leu Glu Thr Trp Gly Ala Leu Gly Gln Asp 
1               5                   10                  15      


Ile Asn Leu Asp Ile Pro Ser Phe Gln Met Ser Asp Asp Ile Asp Asp 
            20                  25                  30          


Ile Lys Trp Glu Lys Thr Ser Asp Lys Lys Lys Ile Ala Gln Phe Arg 
        35                  40                  45              


Lys Glu Lys Glu Thr Phe Lys Glu Lys Asp Thr Tyr Lys Leu Phe Lys 
    50                  55                  60                  


Asn Gly Thr Leu Lys Ile Lys His Leu Lys Thr Asp Asp Gln Asp Ile 
65                  70                  75                  80  


Tyr Lys Val Ser Ile Tyr Asp Thr Lys Gly Lys Asn Val Leu Glu Lys 
                85                  90                  95      


Ile Phe Asp Leu Lys Ile Gln Glu Arg Val Ser Lys Pro Lys Ile Ser 
            100                 105                 110         


Trp Thr Cys Ile Asn Thr Thr Leu Thr Cys Glu Val Met Asn Gly Thr 
        115                 120                 125             


Asp Pro Glu Leu Asn Leu Tyr Gln Asp Gly Lys His Leu Lys Leu Ser 
    130                 135                 140                 


Gln Arg Val Ile Thr His Lys Trp Thr Thr Ser Leu Ser Ala Lys Phe 
145                 150                 155                 160 


Lys Cys Thr Ala Gly Asn Lys Val Ser Lys Glu Ser Ser Val Glu Pro 
                165                 170                 175     


Val Ser Cys Pro Glu Lys Gly Leu Asp 
            180                 185 


<210>  51
<211>  133
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD160 ECD

<400>  51

Ile Asn Ile Thr Ser Ser Ala Ser Gln Glu Gly Thr Arg Leu Asn Leu 
1               5                   10                  15      


Ile Cys Thr Val Trp His Lys Lys Glu Glu Ala Glu Gly Phe Val Val 
            20                  25                  30          


Phe Leu Cys Lys Asp Arg Ser Gly Asp Cys Ser Pro Glu Thr Ser Leu 
        35                  40                  45              


Lys Gln Leu Arg Leu Lys Arg Asp Pro Gly Ile Asp Gly Val Gly Glu 
    50                  55                  60                  


Ile Ser Ser Gln Leu Met Phe Thr Ile Ser Gln Val Thr Pro Leu His 
65                  70                  75                  80  


Ser Gly Thr Tyr Gln Cys Cys Ala Arg Ser Gln Lys Ser Gly Ile Arg 
                85                  90                  95      


Leu Gln Gly His Phe Phe Ser Ile Leu Phe Thr Glu Thr Gly Asn Tyr 
            100                 105                 110         


Thr Val Thr Gly Leu Lys Gln Arg Gln His Leu Glu Phe Ser His Asn 
        115                 120                 125             


Glu Gly Thr Leu Ser 
    130             


<210>  52
<211>  202
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD200 ECD

<400>  52

Gln Val Gln Val Val Thr Gln Asp Glu Arg Glu Gln Leu Tyr Thr Pro 
1               5                   10                  15      


Ala Ser Leu Lys Cys Ser Leu Gln Asn Ala Gln Glu Ala Leu Ile Val 
            20                  25                  30          


Thr Trp Gln Lys Lys Lys Ala Val Ser Pro Glu Asn Met Val Thr Phe 
        35                  40                  45              


Ser Glu Asn His Gly Val Val Ile Gln Pro Ala Tyr Lys Asp Lys Ile 
    50                  55                  60                  


Asn Ile Thr Gln Leu Gly Leu Gln Asn Ser Thr Ile Thr Phe Trp Asn 
65                  70                  75                  80  


Ile Thr Leu Glu Asp Glu Gly Cys Tyr Met Cys Leu Phe Asn Thr Phe 
                85                  90                  95      


Gly Phe Gly Lys Ile Ser Gly Thr Ala Cys Leu Thr Val Tyr Val Gln 
            100                 105                 110         


Pro Ile Val Ser Leu His Tyr Lys Phe Ser Glu Asp His Leu Asn Ile 
        115                 120                 125             


Thr Cys Ser Ala Thr Ala Arg Pro Ala Pro Met Val Phe Trp Lys Val 
    130                 135                 140                 


Pro Arg Ser Gly Ile Glu Asn Ser Thr Val Thr Leu Ser His Pro Asn 
145                 150                 155                 160 


Gly Thr Thr Ser Val Thr Ser Ile Leu His Ile Lys Asp Pro Lys Asn 
                165                 170                 175     


Gln Val Gly Lys Glu Val Ile Cys Gln Val Leu His Leu Gly Thr Val 
            180                 185                 190         


Thr Asp Phe Lys Gln Thr Val Asn Lys Gly 
        195                 200         


<210>  53
<211>  215
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  CD200R1(CD200R) ECD

<400>  53

Met Asp Glu Lys Gln Ile Thr Gln Asn Tyr Ser Lys Val Leu Ala Glu 
1               5                   10                  15      


Val Asn Thr Ser Trp Pro Val Lys Met Ala Thr Asn Ala Val Leu Cys 
            20                  25                  30          


Cys Pro Pro Ile Ala Leu Arg Asn Leu Ile Ile Ile Thr Trp Glu Ile 
        35                  40                  45              


Ile Leu Arg Gly Gln Pro Ser Cys Thr Lys Ala Tyr Arg Lys Glu Thr 
    50                  55                  60                  


Asn Glu Thr Lys Glu Thr Asn Cys Thr Asp Glu Arg Ile Thr Trp Val 
65                  70                  75                  80  


Ser Arg Pro Asp Gln Asn Ser Asp Leu Gln Ile Arg Pro Val Ala Ile 
                85                  90                  95      


Thr His Asp Gly Tyr Tyr Arg Cys Ile Met Val Thr Pro Asp Gly Asn 
            100                 105                 110         


Phe His Arg Gly Tyr His Leu Gln Val Leu Val Thr Pro Glu Val Thr 
        115                 120                 125             


Leu Phe Gln Asn Arg Asn Arg Thr Ala Val Cys Lys Ala Val Ala Gly 
    130                 135                 140                 


Lys Pro Ala Ala Gln Ile Ser Trp Ile Pro Glu Gly Asp Cys Ala Thr 
145                 150                 155                 160 


Lys Gln Glu Tyr Trp Ser Asn Gly Thr Val Thr Val Lys Ser Thr Cys 
                165                 170                 175     


His Trp Glu Val His Asn Val Ser Thr Val Thr Cys His Val Ser His 
            180                 185                 190         


Leu Thr Gly Asn Lys Ser Leu Tyr Ile Glu Leu Leu Pro Val Pro Gly 
        195                 200                 205             


Ala Lys Lys Ser Ala Lys Leu 
    210                 215 


<210>  54
<211>  117
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  NC R3 (NKp30) ECD

<400>  54

Leu Trp Val Ser Gln Pro Pro Glu Ile Arg Thr Leu Glu Gly Ser Ser 
1               5                   10                  15      


Ala Phe Leu Pro Cys Ser Phe Asn Ala Ser Gln Gly Arg Leu Ala Ile 
            20                  25                  30          


Gly Ser Val Thr Trp Phe Arg Asp Glu Val Val Pro Gly Lys Glu Val 
        35                  40                  45              


Arg Asn Gly Thr Pro Glu Phe Arg Gly Arg Leu Ala Pro Leu Ala Ser 
    50                  55                  60                  


Ser Arg Phe Leu His Asp His Gln Ala Glu Leu His Ile Arg Asp Val 
65                  70                  75                  80  


Arg Gly His Asp Ala Ser Ile Tyr Val Cys Arg Val Glu Val Leu Gly 
                85                  90                  95      


Leu Gly Val Gly Thr Gly Asn Gly Thr Arg Leu Val Val Glu Lys Glu 
            100                 105                 110         


His Pro Gln Leu Gly 
        115         


<210>  55
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v1 ECD

<400>  55

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  56
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v2 ECD

<400>  56

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  57
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v3 ECD

<400>  57

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ala Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  58
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v4 ECD

<400>  58

Val Ile His Met Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  59
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v5 ECD

<400>  59

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  60
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v6 ECD

<400>  60

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Leu Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ser Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  61
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v7 ECD

<400>  61

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Pro Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  62
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v8 ECD

<400>  62

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Gly Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  63
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v9 ECD

<400>  63

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  64
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v10 ECD

<400>  64

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Arg Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  65
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v11 ECD

<400>  65

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Ala Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Thr Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  66
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v12 ECD

<400>  66

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Asn Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  67
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v13 ECD

<400>  67

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Ser Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Lys His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  68
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v14 ECD

<400>  68

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Ser Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  69
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v15 ECD

<400>  69

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Glu Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Thr Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Thr Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  70
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v16 ECD

<400>  70

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Gly Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  71
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v17 ECD

<400>  71

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Glu Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Ser Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  72
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v18 ECD

<400>  72

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Pro Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  73
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v19 ECD

<400>  73

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Glu Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  74
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v20 ECD

<400>  74

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  75
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v21 ECD

<400>  75

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Val Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  76
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v22 ECD

<400>  76

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Met Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  77
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v23 ECD

<400>  77

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Thr Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Gly Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Thr Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  78
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v24 ECD

<400>  78

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr His Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Gly Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Arg Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Gly Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  79
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v25 ECD

<400>  79

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile His Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Gly Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  80
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v26 ECD

<400>  80

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Ala Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Ala Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  81
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v27 ECD

<400>  81

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu His Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Gly Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Ala Pro Ser 
            100                 105                 110         


Ile Ser Asp Leu Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  82
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v28 ECD

<400>  82

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr His Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Gly Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  83
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v29 ECD

<400>  83

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Ser Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  84
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v30 ECD

<400>  84

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Thr Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  85
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v31 ECD

<400>  85

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Ala Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  86
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v32 ECD

<400>  86

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Val Val Leu Asp Met Ile Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Gly Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Gly Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Ala Val Leu Lys Tyr Glu Glu Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  87
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v33 ECD

<400>  87

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Ala Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Pro Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  88
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v34 ECD

<400>  88

Val Ile His Val Thr Lys Glu Val Lys Glu Val Val Thr Leu Phe Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile His Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Gly Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Leu His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Thr Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  89
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v35 ECD

<400>  89

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Phe Val Ile Arg Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Gly Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  90
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v36 ECD

<400>  90

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Gly Pro Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  91
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v37 ECD

<400>  91

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Leu Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Leu Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  92
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v38 ECD

<400>  92

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Asp Ile Leu Trp 
            20                  25                  30          


His Lys Glu Gly Lys Ile Val Leu Ala Met Arg Ser Gly Asp Thr Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Val Cys Val Val Arg Lys Tyr Glu Asn Asp Thr Pro Val Leu Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Thr Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Ser Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  93
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v39 ECD

<400>  93

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Asp Ile Leu Trp 
            20                  25                  30          


His Lys Glu Gly Lys Ile Val Leu Ala Met Arg Ser Gly Asp Thr Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Val Cys Val Val Arg Lys Tyr Glu Asn Asp Thr Pro Val Leu Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Ser 
    130                 135                 140                 


Gly Glu Glu Leu Ser Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  94
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v40 ECD

<400>  94

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Asp Ile Leu Trp 
            20                  25                  30          


His Lys Glu Gly Lys Ile Val Leu Ala Thr Arg Ser Gly Asp Thr Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Val Cys Val Val Arg Lys Tyr Glu Asn Asp Thr Pro Val Leu Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Ser Ser Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  95
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v41 ECD

<400>  95

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Gly Leu Ala Gln Thr Asp Ile Leu Trp 
            20                  25                  30          


His Lys Glu Gly Lys Ile Val Leu Ala Met Arg Ser Gly Asp Thr Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Leu Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Val Cys Val Val Arg Lys Tyr Glu Asn Asp Thr Pro Val Leu Glu Arg 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Ser Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Ser Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  96
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v42 ECD

<400>  96

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Asp Ile Leu Trp 
            20                  25                  30          


His Lys Glu Gly Lys Ile Val Leu Ala Met Arg Ser Gly Asp Thr Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Val Cys Val Val Arg Lys Tyr Glu Asn Asp Thr Pro Val Leu Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Ser Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  97
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v43 ECD

<400>  97

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Val Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Gln Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Arg Cys Val Val Ile Lys Tyr Glu Arg Leu Glu Asn Gln Gly Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  98
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v44 ECD

<400>  98

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Ile Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  99
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v45 ECD

<400>  99

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Arg Lys Gly Tyr Arg Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Ser Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Ser His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  100
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v46 ECD

<400>  100

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Arg Lys Gly Tyr Arg Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  101
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v47 ECD

<400>  101

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Gly Gln Ile Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Leu Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Val Cys Val Val Arg Lys Tyr Glu Asn Asp Thr Pro Val Leu Glu His 
                85                  90                  95      


Leu Ala Gly Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Ser Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  102
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v48 ECD

<400>  102

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Asp Arg Lys Gly Tyr Arg Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  103
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v49 ECD

<400>  103

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Gly Gln Ile Val Met Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  104
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v50 ECD

<400>  104

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Gly Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  105
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v51 ECD

<400>  105

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr His Ile His Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Gly Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Asn Gly Glu Asn Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Ser Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  106
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v52 ECD

<400>  106

Val Ile His Val Thr Lys Glu Val Lys Glu Val Thr Thr Leu Ser Cys 
1               5                   10                  15      


Gly Leu Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Val Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Leu Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Lys Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Ser Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Thr Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  107
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v53 ECD

<400>  107

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Val Ile Phe Trp 
            20                  25                  30          


Gln Lys Glu Gly Lys Leu Val Leu Thr Met Gln Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Arg Cys Ile Val Ile Lys Tyr Glu Arg Leu Glu Asn Gln Gly Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  108
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v54 ECD

<400>  108

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Met Ile Pro Ala Pro Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Glu Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  109
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v1 ECD

<400>  109

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  110
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v2 ECD

<400>  110

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  111
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v3 ECD

<400>  111

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asp Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  112
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v4 ECD

<400>  112

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Tyr Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Leu Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Pro Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  113
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v5 ECD

<400>  113

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  114
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v6 ECD

<400>  114

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Cys Pro Arg Pro Asn Val Cys Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  115
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v7 ECD

<400>  115

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  116
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v8 ECD

<400>  116

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Asp Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Ala Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  117
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v9 ECD

<400>  117

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Ala Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  118
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v10 ECD

<400>  118

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Arg Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  119
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v11 ECD

<400>  119

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Gly Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  120
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v12 ECD

<400>  120

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Tyr Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  121
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v13 ECD

<400>  121

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  122
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v14 ECD

<400>  122

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  123
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v15 ECD

<400>  123

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Gly Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Cys Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  124
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v16 ECD

<400>  124

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Cys Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  125
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v17 ECD

<400>  125

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  126
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v18 ECD

<400>  126

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Tyr Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Cys Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  127
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v19 ECD

<400>  127

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Tyr Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


Pro Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  128
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v20 ECD

<400>  128

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Pro Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  129
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v21 ECD

<400>  129

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Glu Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  130
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v22 ECD

<400>  130

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ala Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  131
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v23 ECD

<400>  131

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asp Ser Pro Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  132
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v24 ECD

<400>  132

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Lys Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Pro 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  133
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v25 ECD

<400>  133

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val His Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  134
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v26 ECD

<400>  134

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asp Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Ala Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  135
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v27 ECD

<400>  135

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Thr Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  136
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v28 ECD

<400>  136

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Pro 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  137
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v29 ECD

<400>  137

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Ser Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val His Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Ser Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  138
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v30 ECD

<400>  138

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Gln Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Pro Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  139
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v31 ECD

<400>  139

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Gly Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  140
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v32 ECD

<400>  140

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asp Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser His Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  141
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v33 ECD

<400>  141

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe Asp Cys Phe 
                85                  90                  95      


Val Phe Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  142
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v34 ECD

<400>  142

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe Asp Cys Phe 
                85                  90                  95      


Val Phe Ser Arg Ser Leu Glu Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Ser Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  143
<211>  117
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  NKp30 v1 ECD

<400>  143

Leu Trp Val Ser Gln Pro Pro Glu Ile Arg Thr Leu Glu Gly Ser Ser 
1               5                   10                  15      


Ala Phe Leu Pro Cys Ser Phe Asn Ala Ser Gln Gly Arg Val Ala Ile 
            20                  25                  30          


Gly Ser Val Thr Trp Phe Arg Asp Glu Val Val Pro Gly Lys Glu Val 
        35                  40                  45              


Arg Asn Gly Thr Pro Glu Phe Arg Gly Arg Leu Val Pro Leu Ala Pro 
    50                  55                  60                  


Ser Arg Phe Leu His Asp His Gln Ala Glu Leu His Ile Arg Asp Val 
65                  70                  75                  80  


Arg Gly His Asp Ala Gly Ile Tyr Val Cys Arg Val Glu Val Leu Gly 
                85                  90                  95      


Leu Gly Val Gly Thr Gly Asn Gly Thr Arg Leu Val Val Glu Lys Glu 
            100                 105                 110         


His Pro Gln Leu Gly 
        115         


<210>  144
<211>  117
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  NKp30 v2 ECD

<400>  144

Leu Trp Val Ser Gln Pro Pro Glu Ile Arg Thr Leu Glu Gly Ser Ser 
1               5                   10                  15      


Ala Phe Leu Pro Cys Ser Phe Asn Ala Ser Gln Gly Arg Val Ala Ile 
            20                  25                  30          


Gly Ser Val Thr Trp Phe Arg Asp Glu Val Val Pro Gly Lys Glu Val 
        35                  40                  45              


Arg Asn Gly Thr Pro Glu Phe Arg Gly Arg Leu Ala Pro Leu Ala Ser 
    50                  55                  60                  


Ser Arg Phe Leu His Asp His Gln Ala Glu Leu His Ile Arg Asp Val 
65                  70                  75                  80  


Arg Gly His Asp Ala Ser Ile Tyr Val Cys Arg Val Glu Val Leu Gly 
                85                  90                  95      


Leu Gly Val Gly Thr Gly Asn Gly Thr Arg Leu Val Val Glu Lys Glu 
            100                 105                 110         


His Pro Gln Leu Gly 
        115         


<210>  145
<211>  117
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  NKp30 v3 ECD

<400>  145

Leu Trp Val Ser Gln Pro Pro Glu Ile Arg Thr Leu Glu Gly Ser Ser 
1               5                   10                  15      


Ala Phe Leu Pro Cys Ser Phe Asn Ala Ser Gln Gly Arg Leu Ala Ile 
            20                  25                  30          


Gly Ser Val Thr Trp Phe Arg Asp Glu Val Val Pro Gly Lys Glu Val 
        35                  40                  45              


Arg Asn Gly Thr Pro Glu Phe Arg Gly Arg Leu Val Pro Leu Ala Ser 
    50                  55                  60                  


Ser Arg Phe Leu His Asp His Gln Ala Glu Leu His Ile Arg Asp Val 
65                  70                  75                  80  


Arg Gly His Asp Ala Ser Ile Tyr Val Cys Arg Val Glu Val Leu Gly 
                85                  90                  95      


Leu Gly Val Gly Thr Gly Asn Gly Thr Arg Leu Val Val Glu Lys Glu 
            100                 105                 110         


His Pro Gln Leu Gly 
        115         


<210>  146
<211>  117
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  NKp30 v4 ECD

<400>  146

Leu Trp Val Ser Gln Pro Pro Glu Ile Arg Thr Leu Glu Gly Ser Ser 
1               5                   10                  15      


Ala Phe Leu Pro Cys Ser Phe Asn Ala Ser Gln Gly Arg Leu Ala Ile 
            20                  25                  30          


Gly Ser Val Thr Trp Phe Arg Asp Glu Val Val Pro Gly Lys Glu Val 
        35                  40                  45              


Arg Asn Gly Thr Pro Glu Phe Arg Gly Arg Leu Ala Pro Leu Ala Pro 
    50                  55                  60                  


Ser Arg Phe Leu His Asp His Gln Ala Glu Leu His Ile Arg Asp Val 
65                  70                  75                  80  


Arg Gly His Asp Ala Ser Ile Tyr Val Cys Arg Val Glu Val Leu Gly 
                85                  90                  95      


Leu Gly Val Gly Thr Gly Asn Gly Thr Arg Leu Val Val Glu Lys Glu 
            100                 105                 110         


His Pro Gln Leu Gly 
        115         


<210>  147
<211>  117
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  NKp30 v5 ECD

<400>  147

Leu Trp Val Ser Gln Pro Pro Glu Ile Arg Thr Leu Glu Gly Ser Ser 
1               5                   10                  15      


Ala Phe Leu Pro Cys Ser Phe Asn Ala Ser Gln Gly Arg Leu Ala Ile 
            20                  25                  30          


Gly Ser Val Thr Trp Phe Arg Asp Glu Val Val Pro Gly Lys Glu Val 
        35                  40                  45              


Arg Asn Gly Thr Pro Glu Phe Arg Gly Arg Leu Ala Pro Leu Ala Ser 
    50                  55                  60                  


Ser Arg Phe Leu His Asp His Gln Ala Glu Leu His Ile Arg Asp Val 
65                  70                  75                  80  


Arg Gly His Asp Ala Gly Ile Tyr Val Cys Arg Val Glu Val Leu Gly 
                85                  90                  95      


Leu Gly Val Gly Thr Gly Asn Gly Thr Arg Leu Val Val Glu Lys Glu 
            100                 105                 110         


His Pro Gln Leu Gly 
        115         


<210>  148
<211>  224
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD86 v1 ECD

<400>  148

Ala Pro Leu Lys Ile Gln Ala Tyr Phe Asn Glu Thr Ala Asp Leu Pro 
1               5                   10                  15      


Cys Gln Phe Ala Asn Ser Gln Asn Gln Ser Leu Ser Glu Leu Val Val 
            20                  25                  30          


Phe Trp His Asp Gln Glu Asn Leu Val Leu Asn Glu Val Tyr Leu Gly 
        35                  40                  45              


Lys Glu Lys Phe Asp Ser Val His Ser Lys Tyr Met Gly Arg Thr Ser 
    50                  55                  60                  


Phe Asp Ser Asp Ser Trp Thr Leu Arg Leu His Asn Leu Gln Ile Lys 
65                  70                  75                  80  


Asp Lys Gly Leu Tyr Gln Cys Ile Ile Leu His Lys Lys Pro Thr Gly 
                85                  90                  95      


Met Ile Arg Ile His His Met Asn Ser Glu Leu Ser Val Leu Ala Asn 
            100                 105                 110         


Phe Ser Gln Pro Glu Ile Val Pro Ile Ser Asn Ile Thr Glu Asn Val 
        115                 120                 125             


Tyr Ile Asn Leu Thr Cys Ser Ser Ile His Gly Tyr Pro Glu Pro Lys 
    130                 135                 140                 


Lys Met Ser Val Leu Leu Arg Thr Lys Asn Ser Thr Ile Glu Tyr Asp 
145                 150                 155                 160 


Gly Val Met Gln Lys Ser Gln Asp Asn Val Thr Glu Leu Tyr Asp Val 
                165                 170                 175     


Ser Ile Ser Leu Ser Val Ser Phe Pro Asp Val Thr Ser Asn Met Thr 
            180                 185                 190         


Ile Phe Cys Ile Leu Glu Thr Asp Lys Thr Arg Leu Leu Ser Ser Pro 
        195                 200                 205             


Phe Ser Ile Glu Leu Glu Asp Pro Gln Pro Pro Pro Asp His Ile Pro 
    210                 215                 220                 


<210>  149
<211>  224
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD86 v2 ECD

<400>  149

Ala Pro Leu Lys Ile Gln Ala Tyr Phe Asn Glu Thr Ala Asp Leu Pro 
1               5                   10                  15      


Cys Gln Phe Ala Asn Ser Gln Asn Gln Ser Leu Ser Glu Leu Val Val 
            20                  25                  30          


Phe Trp His Asp Gln Glu Asn Leu Val Leu Asn Glu Val Tyr Leu Gly 
        35                  40                  45              


Lys Glu Lys Phe Asp Ser Val His Ser Lys Tyr Met Gly Arg Thr Ser 
    50                  55                  60                  


Phe Asp Ser Asp Ser Trp Thr Leu Arg Leu His Asn Leu Gln Ile Lys 
65                  70                  75                  80  


Asp Lys Gly Leu Tyr Gln Cys Ile Ile His His Lys Lys Pro Thr Gly 
                85                  90                  95      


Met Ile Arg Ile His Gln Met Asn Ser Glu Leu Ser Val Leu Ala Asn 
            100                 105                 110         


Phe Ser Gln Pro Glu Ile Val Pro Ile Ser Asn Ile Thr Glu Asn Val 
        115                 120                 125             


Tyr Ile Asn Leu Thr Cys Ser Ser Ile His Gly Tyr Pro Glu Pro Lys 
    130                 135                 140                 


Lys Met Ser Val Leu Leu Arg Thr Lys Asn Ser Thr Ile Glu Tyr Asp 
145                 150                 155                 160 


Gly Val Met Gln Lys Ser Gln Asp Asn Val Thr Glu Leu Tyr Asp Val 
                165                 170                 175     


Ser Ile Ser Leu Ser Val Ser Phe Pro Asp Val Thr Ser Asn Met Thr 
            180                 185                 190         


Ile Phe Cys Ile Leu Glu Thr Asp Lys Thr Arg Leu Leu Ser Ser Pro 
        195                 200                 205             


Phe Ser Ile Glu Leu Glu Asp Pro Gln Pro Pro Pro Asp His Ile Pro 
    210                 215                 220                 


<210>  150
<211>  224
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD86 v3 ECD

<400>  150

Ala Pro Leu Lys Ile Gln Ala Tyr Phe Asn Glu Thr Ala Asp Leu Pro 
1               5                   10                  15      


Cys Gln Phe Ala Asn Ser Gln Asn Gln Ser Leu Ser Glu Leu Val Val 
            20                  25                  30          


Phe Trp Gln Asp Gln Glu Asn Leu Val Leu Asn Glu Val Tyr Leu Gly 
        35                  40                  45              


Lys Glu Lys Phe Asp Ser Val His Ser Lys Tyr Met Gly Arg Thr Ser 
    50                  55                  60                  


Phe Asp Ser Asp Ser Trp Thr Leu Arg Leu His Asn Leu Gln Ile Lys 
65                  70                  75                  80  


Asp Lys Gly Leu Tyr Gln Cys Ile Ile Leu His Lys Lys Pro Thr Gly 
                85                  90                  95      


Met Ile Arg Ile His Gln Met Asn Ser Glu Leu Ser Val Leu Ala Asn 
            100                 105                 110         


Phe Ser Gln Pro Glu Ile Val Pro Ile Ser Asn Ile Thr Glu Asn Val 
        115                 120                 125             


Tyr Ile Asn Leu Thr Cys Ser Ser Ile His Gly Tyr Pro Glu Pro Lys 
    130                 135                 140                 


Lys Met Ser Val Leu Leu Arg Thr Lys Asn Ser Thr Ile Glu Tyr Asp 
145                 150                 155                 160 


Gly Val Met Gln Lys Ser Gln Asp Asn Val Thr Glu Leu Tyr Asp Val 
                165                 170                 175     


Ser Ile Ser Leu Ser Val Ser Phe Pro Asp Val Thr Ser Asn Met Thr 
            180                 185                 190         


Ile Phe Cys Ile Leu Glu Thr Asp Lys Thr Arg Leu Leu Ser Ser Pro 
        195                 200                 205             


Phe Ser Ile Glu Leu Glu Asp Pro Gln Pro Pro Pro Asp His Ile Pro 
    210                 215                 220                 


<210>  151
<211>  224
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD86 v4 ECD

<400>  151

Ala Pro Leu Lys Ile Gln Ala Tyr Phe Asn Glu Thr Ala Asp Leu Pro 
1               5                   10                  15      


Cys Gln Phe Ala Asn Ser Gln Asn Gln Ser Leu Ser Glu Leu Val Val 
            20                  25                  30          


Phe Trp Gln Asp Gln Glu Asn Leu Val Leu Asn Glu Val Tyr Leu Gly 
        35                  40                  45              


Lys Glu Lys Phe Asp Ser Val His Ser Lys Tyr Met Gly Arg Thr Ser 
    50                  55                  60                  


Phe Asp Ser Asp Ser Trp Thr Leu Arg Leu His Asn Leu Gln Ile Lys 
65                  70                  75                  80  


Asp Lys Gly Leu Tyr Gln Cys Ile Ile His His Lys Lys Pro Thr Gly 
                85                  90                  95      


Met Ile Arg Ile His His Met Asn Ser Glu Leu Ser Val Leu Ala Asn 
            100                 105                 110         


Phe Ser Gln Pro Glu Ile Val Pro Ile Ser Asn Ile Thr Glu Asn Val 
        115                 120                 125             


Tyr Ile Asn Leu Thr Cys Ser Ser Ile His Gly Tyr Pro Glu Pro Lys 
    130                 135                 140                 


Lys Met Ser Val Leu Leu Arg Thr Lys Asn Ser Thr Ile Glu Tyr Asp 
145                 150                 155                 160 


Gly Val Met Gln Lys Ser Gln Asp Asn Val Thr Glu Leu Tyr Asp Val 
                165                 170                 175     


Ser Ile Ser Leu Ser Val Ser Phe Pro Asp Val Thr Ser Asn Met Thr 
            180                 185                 190         


Ile Phe Cys Ile Leu Glu Thr Asp Lys Thr Arg Leu Leu Ser Ser Pro 
        195                 200                 205             


Phe Ser Ile Glu Leu Glu Asp Pro Gln Pro Pro Pro Asp His Ile Pro 
    210                 215                 220                 


<210>  152
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 WT IgV

<400>  152

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  153
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v1 IgV

<400>  153

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  154
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v4 IgV

<400>  154

Val Ile His Met Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  155
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v6 IgV

<400>  155

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Leu Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ser Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  156
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v7 IgV

<400>  156

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Pro Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  157
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v9 IgV

<400>  157

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  158
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v10 IgV

<400>  158

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Arg Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  159
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v11 IgV

<400>  159

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Ala Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  160
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v12 IgV

<400>  160

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Asn Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  161
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v13 IgV

<400>  161

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Ser Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Lys His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  162
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v14 IgV

<400>  162

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Ser Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  163
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v15 IgV

<400>  163

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Glu Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Thr Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  164
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v16 IgV

<400>  164

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Gly Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  165
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v17 IgV

<400>  165

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Glu Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Ser Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  166
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v19 IgV

<400>  166

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Glu Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  167
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v21 IgV

<400>  167

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Val Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  168
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v22 IgV

<400>  168

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Met Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  169
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v23 IgV

<400>  169

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Thr Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Gly Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  170
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v24 IgV

<400>  170

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr His Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Gly Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Arg Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Gly Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  171
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v25 IgV

<400>  171

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile His Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Gly Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  172
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v26 IgV

<400>  172

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Ala Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  173
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v27 IgV

<400>  173

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu His Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Gly Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  174
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v28 IgV

<400>  174

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr His Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Gly Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  175
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v30 IgV

<400>  175

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Thr Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  176
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v32 IgV

<400>  176

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Val Val Leu Asp Met Ile Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Gly Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Gly Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Ala Val Leu Lys Tyr Glu Glu Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  177
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v33 IgV

<400>  177

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Ala Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  178
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v34 IgV

<400>  178

Val Ile His Val Thr Lys Glu Val Lys Glu Val Val Thr Leu Phe Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile His Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Gly Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  179
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v35 IgV

<400>  179

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Phe Val Ile Arg Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Gly Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  180
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v36 IgV

<400>  180

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Gly Pro Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  181
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v37 IgV

<400>  181

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Leu Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  182
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v38 IgV

<400>  182

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Asp Ile Leu Trp 
            20                  25                  30          


His Lys Glu Gly Lys Ile Val Leu Ala Met Arg Ser Gly Asp Thr Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Val Cys Val Val Arg Lys Tyr Glu Asn Asp Thr Pro Val Leu Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  183
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v40 IgV

<400>  183

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Asp Ile Leu Trp 
            20                  25                  30          


His Lys Glu Gly Lys Ile Val Leu Ala Thr Arg Ser Gly Asp Thr Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Val Cys Val Val Arg Lys Tyr Glu Asn Asp Thr Pro Val Leu Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  184
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v41 IgV

<400>  184

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Gly Leu Ala Gln Thr Asp Ile Leu Trp 
            20                  25                  30          


His Lys Glu Gly Lys Ile Val Leu Ala Met Arg Ser Gly Asp Thr Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Leu Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Val Cys Val Val Arg Lys Tyr Glu Asn Asp Thr Pro Val Leu Glu Arg 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  185
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v43 IgV

<400>  185

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Val Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Gln Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Arg Cys Val Val Ile Lys Tyr Glu Arg Leu Glu Asn Gln Gly Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  186
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v44 IgV

<400>  186

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Ile Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  187
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v45 IgV

<400>  187

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Arg Lys Gly Tyr Arg Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  188
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v47 IgV

<400>  188

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Gly Gln Ile Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Leu Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Val Cys Val Val Arg Lys Tyr Glu Asn Asp Thr Pro Val Leu Glu His 
                85                  90                  95      


Leu Ala Gly Val Thr 
            100     


<210>  189
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v48 IgV

<400>  189

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Asp Arg Lys Gly Tyr Arg Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  190
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v49 IgV

<400>  190

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Gly Gln Ile Val Met Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  191
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v50 IgV

<400>  191

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Gly Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  192
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v51 IgV

<400>  192

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr His Ile His Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Gly Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Asn Gly Glu Asn Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  193
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v52 IgV

<400>  193

Val Ile His Val Thr Lys Glu Val Lys Glu Val Thr Thr Leu Ser Cys 
1               5                   10                  15      


Gly Leu Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Val Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Leu Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Lys Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  194
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v53 IgV

<400>  194

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Val Ile Phe Trp 
            20                  25                  30          


Gln Lys Glu Gly Lys Leu Val Leu Thr Met Gln Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Arg Cys Ile Val Ile Lys Tyr Glu Arg Leu Glu Asn Gln Gly Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  195
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v54 IgV

<400>  195

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Met Ile Pro Ala Pro Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Glu Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  196
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL WT IgV

<400>  196

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  197
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v1 IgV

<400>  197

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  198
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v2 IgV

<400>  198

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  199
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v3 IgV

<400>  199

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asp Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  200
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v4 IgV

<400>  200

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Tyr Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  201
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v5 IgV

<400>  201

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  202
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v10 IgV

<400>  202

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Arg Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  203
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v11 IgV

<400>  203

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Gly Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  204
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v12 IgV

<400>  204

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Tyr Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  205
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v13 IgV

<400>  205

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  206
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v14 IgV

<400>  206

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  207
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v22 IgV

<400>  207

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ala Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  208
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v23 IgV

<400>  208

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asp Ser Pro Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  209
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v24 IgV

<400>  209

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Lys Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  210
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v28 IgV

<400>  210

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Pro 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  211
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v30 IgV

<400>  211

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Gln Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  212
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v33 IgV

<400>  212

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe Asp Cys Phe 
                85                  90                  95      


Val Phe Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  213
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v34 IgV

<400>  213

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe Asp Cys Phe 
                85                  90                  95      


Val Phe Ser Arg Ser Leu Glu Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  214
<211>  108
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  NKp30 WT IgC-like

<400>  214

Leu Trp Val Ser Gln Pro Pro Glu Ile Arg Thr Leu Glu Gly Ser Ser 
1               5                   10                  15      


Ala Phe Leu Pro Cys Ser Phe Asn Ala Ser Gln Gly Arg Leu Ala Ile 
            20                  25                  30          


Gly Ser Val Thr Trp Phe Arg Asp Glu Val Val Pro Gly Lys Glu Val 
        35                  40                  45              


Arg Asn Gly Thr Pro Glu Phe Arg Gly Arg Leu Ala Pro Leu Ala Ser 
    50                  55                  60                  


Ser Arg Phe Leu His Asp His Gln Ala Glu Leu His Ile Arg Asp Val 
65                  70                  75                  80  


Arg Gly His Asp Ala Ser Ile Tyr Val Cys Arg Val Glu Val Leu Gly 
                85                  90                  95      


Leu Gly Val Gly Thr Gly Asn Gly Thr Arg Leu Val 
            100                 105             


<210>  215
<211>  108
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  NKp30 v1 IgC-like

<400>  215

Leu Trp Val Ser Gln Pro Pro Glu Ile Arg Thr Leu Glu Gly Ser Ser 
1               5                   10                  15      


Ala Phe Leu Pro Cys Ser Phe Asn Ala Ser Gln Gly Arg Val Ala Ile 
            20                  25                  30          


Gly Ser Val Thr Trp Phe Arg Asp Glu Val Val Pro Gly Lys Glu Val 
        35                  40                  45              


Arg Asn Gly Thr Pro Glu Phe Arg Gly Arg Leu Val Pro Leu Ala Pro 
    50                  55                  60                  


Ser Arg Phe Leu His Asp His Gln Ala Glu Leu His Ile Arg Asp Val 
65                  70                  75                  80  


Arg Gly His Asp Ala Gly Ile Tyr Val Cys Arg Val Glu Val Leu Gly 
                85                  90                  95      


Leu Gly Val Gly Thr Gly Asn Gly Thr Arg Leu Val 
            100                 105             


<210>  216
<211>  108
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  NKp30 v2 IgC-like

<400>  216

Leu Trp Val Ser Gln Pro Pro Glu Ile Arg Thr Leu Glu Gly Ser Ser 
1               5                   10                  15      


Ala Phe Leu Pro Cys Ser Phe Asn Ala Ser Gln Gly Arg Val Ala Ile 
            20                  25                  30          


Gly Ser Val Thr Trp Phe Arg Asp Glu Val Val Pro Gly Lys Glu Val 
        35                  40                  45              


Arg Asn Gly Thr Pro Glu Phe Arg Gly Arg Leu Ala Pro Leu Ala Ser 
    50                  55                  60                  


Ser Arg Phe Leu His Asp His Gln Ala Glu Leu His Ile Arg Asp Val 
65                  70                  75                  80  


Arg Gly His Asp Ala Ser Ile Tyr Val Cys Arg Val Glu Val Leu Gly 
                85                  90                  95      


Leu Gly Val Gly Thr Gly Asn Gly Thr Arg Leu Val 
            100                 105             


<210>  217
<211>  108
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  NKp30 v3 IgC-like

<400>  217

Leu Trp Val Ser Gln Pro Pro Glu Ile Arg Thr Leu Glu Gly Ser Ser 
1               5                   10                  15      


Ala Phe Leu Pro Cys Ser Phe Asn Ala Ser Gln Gly Arg Leu Ala Ile 
            20                  25                  30          


Gly Ser Val Thr Trp Phe Arg Asp Glu Val Val Pro Gly Lys Glu Val 
        35                  40                  45              


Arg Asn Gly Thr Pro Glu Phe Arg Gly Arg Leu Val Pro Leu Ala Ser 
    50                  55                  60                  


Ser Arg Phe Leu His Asp His Gln Ala Glu Leu His Ile Arg Asp Val 
65                  70                  75                  80  


Arg Gly His Asp Ala Ser Ile Tyr Val Cys Arg Val Glu Val Leu Gly 
                85                  90                  95      


Leu Gly Val Gly Thr Gly Asn Gly Thr Arg Leu Val 
            100                 105             


<210>  218
<211>  108
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  NKp30 v4 IgC-like

<400>  218

Leu Trp Val Ser Gln Pro Pro Glu Ile Arg Thr Leu Glu Gly Ser Ser 
1               5                   10                  15      


Ala Phe Leu Pro Cys Ser Phe Asn Ala Ser Gln Gly Arg Leu Ala Ile 
            20                  25                  30          


Gly Ser Val Thr Trp Phe Arg Asp Glu Val Val Pro Gly Lys Glu Val 
        35                  40                  45              


Arg Asn Gly Thr Pro Glu Phe Arg Gly Arg Leu Ala Pro Leu Ala Pro 
    50                  55                  60                  


Ser Arg Phe Leu His Asp His Gln Ala Glu Leu His Ile Arg Asp Val 
65                  70                  75                  80  


Arg Gly His Asp Ala Ser Ile Tyr Val Cys Arg Val Glu Val Leu Gly 
                85                  90                  95      


Leu Gly Val Gly Thr Gly Asn Gly Thr Arg Leu Val 
            100                 105             


<210>  219
<211>  108
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  NKp30 v5 IgC-like

<400>  219

Leu Trp Val Ser Gln Pro Pro Glu Ile Arg Thr Leu Glu Gly Ser Ser 
1               5                   10                  15      


Ala Phe Leu Pro Cys Ser Phe Asn Ala Ser Gln Gly Arg Leu Ala Ile 
            20                  25                  30          


Gly Ser Val Thr Trp Phe Arg Asp Glu Val Val Pro Gly Lys Glu Val 
        35                  40                  45              


Arg Asn Gly Thr Pro Glu Phe Arg Gly Arg Leu Ala Pro Leu Ala Ser 
    50                  55                  60                  


Ser Arg Phe Leu His Asp His Gln Ala Glu Leu His Ile Arg Asp Val 
65                  70                  75                  80  


Arg Gly His Asp Ala Gly Ile Tyr Val Cys Arg Val Glu Val Leu Gly 
                85                  90                  95      


Leu Gly Val Gly Thr Gly Asn Gly Thr Arg Leu Val 
            100                 105             


<210>  220
<211>  99
<212>  PRT
<213>  Homo Sapiens


<220>
<221>  MISC_FEATURE
<223>  CD86 WT IgV

<400>  220

Asn Glu Thr Ala Asp Leu Pro Cys Gln Phe Ala Asn Ser Gln Asn Gln 
1               5                   10                  15      


Ser Leu Ser Glu Leu Val Val Phe Trp Gln Asp Gln Glu Asn Leu Val 
            20                  25                  30          


Leu Asn Glu Val Tyr Leu Gly Lys Glu Lys Phe Asp Ser Val His Ser 
        35                  40                  45              


Lys Tyr Met Gly Arg Thr Ser Phe Asp Ser Asp Ser Trp Thr Leu Arg 
    50                  55                  60                  


Leu His Asn Leu Gln Ile Lys Asp Lys Gly Leu Tyr Gln Cys Ile Ile 
65                  70                  75                  80  


His His Lys Lys Pro Thr Gly Met Ile Arg Ile His Gln Met Asn Ser 
                85                  90                  95      


Glu Leu Ser 
            


<210>  221
<211>  99
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD86 v1 IgV

<400>  221

Asn Glu Thr Ala Asp Leu Pro Cys Gln Phe Ala Asn Ser Gln Asn Gln 
1               5                   10                  15      


Ser Leu Ser Glu Leu Val Val Phe Trp His Asp Gln Glu Asn Leu Val 
            20                  25                  30          


Leu Asn Glu Val Tyr Leu Gly Lys Glu Lys Phe Asp Ser Val His Ser 
        35                  40                  45              


Lys Tyr Met Gly Arg Thr Ser Phe Asp Ser Asp Ser Trp Thr Leu Arg 
    50                  55                  60                  


Leu His Asn Leu Gln Ile Lys Asp Lys Gly Leu Tyr Gln Cys Ile Ile 
65                  70                  75                  80  


Leu His Lys Lys Pro Thr Gly Met Ile Arg Ile His His Met Asn Ser 
                85                  90                  95      


Glu Leu Ser 
            


<210>  222
<211>  99
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD86 v2 IgV

<400>  222

Asn Glu Thr Ala Asp Leu Pro Cys Gln Phe Ala Asn Ser Gln Asn Gln 
1               5                   10                  15      


Ser Leu Ser Glu Leu Val Val Phe Trp His Asp Gln Glu Asn Leu Val 
            20                  25                  30          


Leu Asn Glu Val Tyr Leu Gly Lys Glu Lys Phe Asp Ser Val His Ser 
        35                  40                  45              


Lys Tyr Met Gly Arg Thr Ser Phe Asp Ser Asp Ser Trp Thr Leu Arg 
    50                  55                  60                  


Leu His Asn Leu Gln Ile Lys Asp Lys Gly Leu Tyr Gln Cys Ile Ile 
65                  70                  75                  80  


His His Lys Lys Pro Thr Gly Met Ile Arg Ile His Gln Met Asn Ser 
                85                  90                  95      


Glu Leu Ser 
            


<210>  223
<211>  99
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD86 v3 IgV

<400>  223

Asn Glu Thr Ala Asp Leu Pro Cys Gln Phe Ala Asn Ser Gln Asn Gln 
1               5                   10                  15      


Ser Leu Ser Glu Leu Val Val Phe Trp Gln Asp Gln Glu Asn Leu Val 
            20                  25                  30          


Leu Asn Glu Val Tyr Leu Gly Lys Glu Lys Phe Asp Ser Val His Ser 
        35                  40                  45              


Lys Tyr Met Gly Arg Thr Ser Phe Asp Ser Asp Ser Trp Thr Leu Arg 
    50                  55                  60                  


Leu His Asn Leu Gln Ile Lys Asp Lys Gly Leu Tyr Gln Cys Ile Ile 
65                  70                  75                  80  


Leu His Lys Lys Pro Thr Gly Met Ile Arg Ile His Gln Met Asn Ser 
                85                  90                  95      


Glu Leu Ser 
            


<210>  224
<211>  99
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD86 v4 IgV

<400>  224

Asn Glu Thr Ala Asp Leu Pro Cys Gln Phe Ala Asn Ser Gln Asn Gln 
1               5                   10                  15      


Ser Leu Ser Glu Leu Val Val Phe Trp Gln Asp Gln Glu Asn Leu Val 
            20                  25                  30          


Leu Asn Glu Val Tyr Leu Gly Lys Glu Lys Phe Asp Ser Val His Ser 
        35                  40                  45              


Lys Tyr Met Gly Arg Thr Ser Phe Asp Ser Asp Ser Trp Thr Leu Arg 
    50                  55                  60                  


Leu His Asn Leu Gln Ile Lys Asp Lys Gly Leu Tyr Gln Cys Ile Ile 
65                  70                  75                  80  


His His Lys Lys Pro Thr Gly Met Ile Arg Ile His His Met Asn Ser 
                85                  90                  95      


Glu Leu Ser 
            


<210>  225
<211>  19
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  VH signal peptide

<400>  225

Met Gly Ser Thr Ala Ile Leu Ala Leu Leu Leu Ala Val Leu Gln Gly 
1               5                   10                  15      


Val Ser Ala 
            


<210>  226
<211>  232
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  IgG1 Fc

<400>  226

Glu Pro Lys Ser Cys Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
1               5                   10                  15      


Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro 
            20                  25                  30          


Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val 
        35                  40                  45              


Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
    50                  55                  60                  


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln 
65                  70                  75                  80  


Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln 
                85                  90                  95      


Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala 
            100                 105                 110         


Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro 
        115                 120                 125             


Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu Met Thr 
    130                 135                 140                 


Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser 
145                 150                 155                 160 


Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr 
                165                 170                 175     


Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr 
            180                 185                 190         


Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe 
        195                 200                 205             


Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys 
    210                 215                 220                 


Ser Leu Ser Leu Ser Pro Gly Lys 
225                 230         


<210>  227
<211>  235
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  IgG2 Fc

<400>  227

Thr Lys Val Asp Lys Thr Val Glu Arg Lys Cys Cys Val Glu Cys Pro 
1               5                   10                  15      


Pro Cys Pro Ala Pro Pro Val Ala Gly Pro Ser Val Phe Leu Phe Pro 
            20                  25                  30          


Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr 
        35                  40                  45              


Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu Val Gln Phe Asn 
    50                  55                  60                  


Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg 
65                  70                  75                  80  


Glu Glu Gln Phe Asn Ser Thr Phe Arg Val Val Ser Val Leu Thr Val 
                85                  90                  95      


Val His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser 
            100                 105                 110         


Asn Lys Gly Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Thr Lys 
        115                 120                 125             


Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Glu 
    130                 135                 140                 


Glu Met Thr Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe 
145                 150                 155                 160 


Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu 
                165                 170                 175     


Asn Asn Tyr Lys Thr Thr Pro Pro Met Leu Asp Ser Asp Gly Ser Phe 
            180                 185                 190         


Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly 
        195                 200                 205             


Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr 
    210                 215                 220                 


Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
225                 230                 235 


<210>  228
<211>  15
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgV-IgV linker

<400>  228

Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser 
1               5                   10                  15  


<210>  229
<211>  10
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgV-Fc linker 1

<400>  229

Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser 
1               5                   10  


<210>  230
<211>  13
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgV-Fc linker 2

<400>  230

Gly Gly Gly Gly Ser Gly Gly Gly Gly Ser Ala Ala Ala 
1               5                   10              


<210>  231
<211>  15
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 WT linker 1

<400>  231

Lys Ala Asp Phe Pro Thr Pro Ser Ile Ser Asp Phe Glu Ile Pro 
1               5                   10                  15  


<210>  232
<211>  10
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 WT linker 2

<400>  232

Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
1               5                   10  


<210>  233
<211>  11
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL WT linker 1

<400>  233

Val Thr Leu His Val Ala Ala Asn Phe Ser Val 
1               5                   10      


<210>  234
<211>  29
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL WT linker 2

<400>  234

Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile Thr 
1               5                   10                  15      


Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
            20                  25                  


<210>  235
<211>  9
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  NKp30 WT linker 1

<400>  235

Val Glu Lys Glu His Pro Gln Leu Gly 
1               5                   


<210>  236
<211>  9
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD86 WT linker 1

<400>  236

Ala Pro Leu Lys Ile Gln Ala Tyr Phe 
1               5                   


<210>  237
<211>  18
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD86 WT linker 2

<400>  237

Val Leu Ala Asn Phe Ser Gln Pro Glu Ile Val Pro Ile Ser Asn Ile 
1               5                   10                  15      


Thr Glu 
        


<210>  238
<211>  22
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD86 WT linker 3

<400>  238

Arg Leu Leu Ser Ser Pro Phe Ser Ile Glu Leu Glu Asp Pro Gln Pro 
1               5                   10                  15      


Pro Pro Asp His Ile Pro 
            20          


<210>  239
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v35 ECD

<400>  239

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Glu Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  240
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v35 IgV

<400>  240

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Glu Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  241
<211>  254
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80-TIP I67T/L70Q/A91G/T120S

<400>  241

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Thr Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


Leu Leu Pro Ser Trp Ala Ile Thr Leu Ile Ser Val Asn Gly Ile Phe 
    210                 215                 220                 


Val Ile Cys Cys Leu Thr Tyr Cys Phe Ala Pro Arg Cys Arg Glu Arg 
225                 230                 235                 240 


Arg Arg Asn Glu Arg Leu Arg Arg Glu Ser Val Arg Pro Val 
                245                 250                 


<210>  242
<211>  867
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  CD80-TIP I67T/L70Q/A91G/T120S

<400>  242
atgggccaca cacggaggca gggaacatca ccatccaagt gtccatacct caatttcttt       60

cagctcttgg tgctggctgg tctttctcac ttctgttcag gtgttatcca cgtgaccaag      120

gaagtgaaag aagtggcaac gctgtcctgt ggtcacaatg tttctgttga agagctggca      180

caaactcgca tctactggca aaaggagaag aaaatggtgc tgactatgat gtctggggac      240

atgaatatat ggcccgagta caagaaccgg accatctttg atatcactaa taacctctcc      300

acagtgatcc aagctctgcg cccatctgac gagggcacat acgagtgtgt tgttctgaag      360

tatgaaaaag acggcttcaa gcgggaacac ctggctgaag tgacgttatc agtcaaagct      420

gacttcccta cacctagtat atctgacttt gaaattccat cttctaatat tagaaggata      480

atttgctcaa cctctggagg ttttccagag cctcacctct cctggttgga aaatggagaa      540

gaattaaatg ccatcaacac aacagtttcc caagatcctg aaactgagct ctatgctgtt      600

agcagcaaac tggatttcaa tatgacaacc aaccacagct tcatgtgtct catcaagtat      660

ggacatttaa gagtgaatca gaccttcaac tggaatacaa ccaagcaaga gcattttcct      720

gataacctgc tcccatcctg ggccattacc ttaatctcag taaatggaat ttttgtgata      780

tgctgcctga cctactgctt tgccccaaga tgcagagaga gaaggaggaa tgagagattg      840

agaagggaaa gtgtacgccc tgtataa                                          867


<210>  243
<211>  284
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL-TIP N52H/I143T

<400>  243

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Thr Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr Trp Ser 
225                 230                 235                 240 


Ile Leu Ala Val Leu Cys Leu Leu Val Val Val Ala Val Ala Ile Gly 
                245                 250                 255     


Trp Val Cys Arg Asp Arg Cys Leu Gln His Ser Tyr Ala Gly Ala Trp 
            260                 265                 270         


Ala Val Ser Pro Glu Thr Glu Leu Thr Gly His Val 
        275                 280                 


<210>  244
<211>  909
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  ICOSL-TIP N52H/I143T

<400>  244
atgcggctgg gcagtcctgg actgctcttc ctgctcttca gcagccttcg agctgatact       60

caggagaagg aagtcagagc gatggtaggc agcgacgtgg agctcagctg cgcttgccct      120

gaaggaagcc gttttgattt aaatgatgtt tacgtatatt ggcaaaccag tgagtcgaaa      180

accgtggtga cctaccacat cccacagcac agctccttgg aaaacgtgga cagccgctac      240

cggaaccgag ccctgatgtc accggccggc atgctgcggg gcgacttctc cctgcgcttg      300

ttcaacgtca ccccccagga cgagcagaag tttcactgcc tggtgttgag ccaatccctg      360

ggattccagg aggttttgag cgttgaggtt acactgcatg tggcagcaaa cttcagcgtg      420

cccgtcgtca gcgcccccca cagcccctcc caggatgagc tcaccttcac gtgtacatcc      480

accaacggct accccaggcc caacgtgtac tggatcaata agacggacaa cagcctgctg      540

gaccaggctc tgcagaatga caccgtcttc ttgaacatgc ggggcttgta tgacgtggtc      600

agcgtgctga ggatcgcacg gacccccagc gtgaacattg gctgctgcat agagaacgtg      660

cttctgcagc agaacctgac tgtcggcagc cagacaggaa atgacatcgg agagagagac      720

aagatcacag agaatccagt cagtaccggc gagaaaaacg cggccacgtg gagcatcctg      780

gctgtcctgt gcctgcttgt ggtcgtggcg gtggccatag gctgggtgtg cagggaccga      840

tgcctccaac acagctatgc aggtgcctgg gctgtgagtc cggagacaga gctcactggc      900

cacgtttga                                                              909


<210>  245
<211>  248
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Anti-CD19 scFv

<400>  245

Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Lys Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr His Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Gln 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asn Thr Leu Pro Tyr 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Thr Gly Ser Thr Ser Gly 
            100                 105                 110         


Ser Gly Lys Pro Gly Ser Gly Glu Gly Ser Thr Lys Gly Glu Val Lys 
        115                 120                 125             


Leu Gln Glu Ser Gly Pro Gly Leu Val Ala Pro Ser Gln Ser Leu Ser 
    130                 135                 140                 


Val Thr Cys Thr Val Ser Gly Val Ser Leu Pro Asp Tyr Gly Val Ser 
145                 150                 155                 160 


Trp Ile Arg Gln Pro Pro Arg Lys Gly Leu Glu Trp Leu Gly Val Ile 
                165                 170                 175     


Trp Gly Ser Glu Thr Thr Tyr Tyr Asn Ser Ala Leu Lys Ser Arg Leu 
            180                 185                 190         


Thr Ile Ile Lys Asp Asn Ser Lys Ser Gln Val Phe Leu Lys Met Asn 
        195                 200                 205             


Ser Leu Gln Thr Asp Asp Thr Ala Ile Tyr Tyr Cys Ala Lys His Tyr 
    210                 215                 220                 


Tyr Tyr Gly Gly Ser Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
225                 230                 235                 240 


Val Thr Val Ser Ser Ala Ala Ala 
                245             


<210>  246
<211>  71
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD8-derived hinge and transmembrane domain

<400>  246

Lys Pro Thr Thr Thr Pro Ala Pro Arg Pro Pro Thr Pro Ala Pro Thr 
1               5                   10                  15      


Ile Ala Ser Gln Pro Leu Ser Leu Arg Pro Glu Ala Ser Arg Pro Ala 
            20                  25                  30          


Ala Gly Gly Ala Val His Thr Arg Gly Leu Asp Phe Ala Ser Asp Ile 
        35                  40                  45              


Tyr Ile Trp Ala Pro Leu Ala Gly Thr Cys Gly Val Leu Leu Leu Ser 
    50                  55                  60                  


Leu Val Ile Thr Leu Tyr Cys 
65                  70      


<210>  247
<211>  112
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD3zeta intracellular signaling domain

<400>  247

Arg Val Lys Phe Ser Arg Ser Ala Asp Ala Pro Ala Tyr Gln Gln Gly 
1               5                   10                  15      


Gln Asn Gln Leu Tyr Asn Glu Leu Asn Leu Gly Arg Arg Glu Glu Tyr 
            20                  25                  30          


Asp Val Leu Asp Lys Arg Arg Gly Arg Asp Pro Glu Met Gly Gly Lys 
        35                  40                  45              


Pro Arg Arg Lys Asn Pro Gln Glu Gly Leu Tyr Asn Glu Leu Gln Lys 
    50                  55                  60                  


Asp Lys Met Ala Glu Ala Tyr Ser Glu Ile Gly Met Lys Gly Glu Arg 
65                  70                  75                  80  


Arg Arg Gly Lys Gly His Asp Gly Leu Tyr Gln Gly Leu Ser Thr Ala 
                85                  90                  95      


Thr Lys Asp Thr Tyr Asp Ala Leu His Met Gln Ala Leu Pro Pro Arg 
            100                 105                 110         


<210>  248
<211>  1356
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  AntiCD19x8z chimeric antigen receptor


<220>
<221>  misc_feature
<223>  antiCD19x8z chimeric antigen receptor

nucleotide

<400>  248
atggccttac cagtgaccgc cttgctcctg ccgctggcct tgctgctcca cgccgccagg       60

ccggacatcc agatgacaca gactacatcc tccctgtctg cctctctggg agacagagtc      120

accatcagtt gcagggcaag tcaggacatt agtaaatatt taaattggta tcagcagaaa      180

ccagatggaa ctgttaaact cctgatctac catacatcaa gattacactc aggagtccca      240

tcaaggttca gtggcagtgg gtctggaaca gattattctc tcaccattag caacctggag      300

caagaagata ttgccactta cttttgccaa cagggtaata cgcttccgta cacgttcgga      360

ggggggacta agttggaaat aacaggctcc acctctggat ccggcaagcc cggatctggc      420

gagggatcca ccaagggcga ggtgaaactg caggagtcag gacctggcct ggtggcgccc      480

tcacagagcc tgtccgtcac atgcactgtc tcaggggtct cattacccga ctatggtgta      540

agctggattc gccagcctcc acgaaagggt ctggagtggc tgggagtaat atggggtagt      600

gaaaccacat actataattc agctctcaaa tccagactga ccatcatcaa ggacaactcc      660

aagagccaag ttttcttaaa aatgaacagt ctgcaaactg atgacacagc catttactac      720

tgtgccaaac attattacta cggtggtagc tatgctatgg actactgggg tcaaggaacc      780

tcagtcaccg tctcctcagc ggccgcaaag cccaccacga cgccagcgcc gcgaccacca      840

acaccggcgc ccaccatcgc gtcgcagccc ctgtccctgc gcccagaggc gagccggcca      900

gcggcggggg gcgcagtgca cacgaggggg ctggacttcg ccagtgatat ctacatctgg      960

gcgcccctgg ccgggacttg tggggtcctt ctcctgtcac tggttatcac cctttactgc     1020

agagtgaagt tcagcaggag cgcagacgcc cccgcgtacc agcagggcca gaaccagctc     1080

tataacgagc tcaatctagg acgaagagag gagtacgatg ttttggacaa gagacgtggc     1140

cgggaccctg agatgggggg aaagccgaga aggaagaacc ctcaggaagg cctgtacaat     1200

gaactgcaga aagataagat ggcggaggcc tacagtgaga ttgggatgaa aggcgagcgc     1260

cggaggggca aggggcacga tggcctttac cagggtctca gtacagccac caaggacacc     1320

tacgacgccc ttcacatgca ggccctgccc cctcgc                               1356


<210>  249
<211>  63
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  T2A

<400>  249
ggcagtggcg agggcagagg aagtctgcta acatgcggtg acgtcgagga gaatcctggc       60

cca                                                                     63


<210>  250
<211>  21
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  T2A

<400>  250

Gly Ser Gly Glu Gly Arg Gly Ser Leu Leu Thr Cys Gly Asp Val Glu 
1               5                   10                  15      


Glu Asn Pro Gly Pro 
            20      


<210>  251
<211>  867
<212>  DNA
<213>  Homo sapiens


<220>
<221>  misc_feature
<223>  CD80

<400>  251
atgggccaca cacggaggca gggaacatca ccatccaagt gtccatacct caatttcttt       60

cagctcttgg tgctggctgg tctttctcac ttctgttcag gtgttatcca cgtgaccaag      120

gaagtgaaag aagtggcaac gctgtcctgt ggtcacaatg tttctgttga agagctggca      180

caaactcgca tctactggca aaaggagaag aaaatggtgc tgactatgat gtctggggac      240

atgaatatat ggcccgagta caagaaccgg accatctttg atatcactaa taacctctcc      300

attgtgatcc tggctctgcg cccatctgac gagggcacat acgagtgtgt tgttctgaag      360

tatgaaaaag acgctttcaa gcgggaacac ctggctgaag tgacgttatc agtcaaagct      420

gacttcccta cacctagtat atctgacttt gaaattccaa cttctaatat tagaaggata      480

atttgctcaa cctctggagg ttttccagag cctcacctct cctggttgga aaatggagaa      540

gaattaaatg ccatcaacac aacagtttcc caagatcctg aaactgagct ctatgctgtt      600

agcagcaaac tggatttcaa tatgacaacc aaccacagct tcatgtgtct catcaagtat      660

ggacatttaa gagtgaatca gaccttcaac tggaatacaa ccaagcaaga gcattttcct      720

gataacctgc tcccatcctg ggccattacc ttaatctcag taaatggaat ttttgtgata      780

tgctgcctga cctactgctt tgccccaaga tgcagagaga gaaggaggaa tgagagattg      840

agaagggaaa gtgtacgccc tgtataa                                          867


<210>  252
<211>  909
<212>  DNA
<213>  Homo sapiens


<220>
<221>  misc_feature
<223>  ICOSL

<400>  252
atgcggctgg gcagtcctgg actgctcttc ctgctcttca gcagccttcg agctgatact       60

caggagaagg aagtcagagc gatggtaggc agcgacgtgg agctcagctg cgcttgccct      120

gaaggaagcc gttttgattt aaatgatgtt tacgtatatt ggcaaaccag tgagtcgaaa      180

accgtggtga cctaccacat cccacagaac agctccttgg aaaacgtgga cagccgctac      240

cggaaccgag ccctgatgtc accggccggc atgctgcggg gcgacttctc cctgcgcttg      300

ttcaacgtca ccccccagga cgagcagaag tttcactgcc tggtgttgag ccaatccctg      360

ggattccagg aggttttgag cgttgaggtt acactgcatg tggcagcaaa cttcagcgtg      420

cccgtcgtca gcgcccccca cagcccctcc caggatgagc tcaccttcac gtgtacatcc      480

ataaacggct accccaggcc caacgtgtac tggatcaata agacggacaa cagcctgctg      540

gaccaggctc tgcagaatga caccgtcttc ttgaacatgc ggggcttgta tgacgtggtc      600

agcgtgctga ggatcgcacg gacccccagc gtgaacattg gctgctgcat agagaacgtg      660

cttctgcagc agaacctgac tgtcggcagc cagacaggaa atgacatcgg agagagagac      720

aagatcacag agaatccagt cagtaccggc gagaaaaacg cggccacgtg gagcatcctg      780

gctgtcctgt gcctgcttgt ggtcgtggcg gtggccatag gctgggtgtg cagggaccga      840

tgcctccaac acagctatgc aggtgcctgg gctgtgagtc cggagacaga gctcactggc      900

cacgtttga                                                              909


<210>  253
<211>  254
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature CD80(B7-1)

<400>  253

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


Leu Leu Pro Ser Trp Ala Ile Thr Leu Ile Ser Val Asn Gly Ile Phe 
    210                 215                 220                 


Val Ile Cys Cys Leu Thr Tyr Cys Phe Ala Pro Arg Cys Arg Glu Arg 
225                 230                 235                 240 


Arg Arg Asn Glu Arg Leu Arg Arg Glu Ser Val Arg Pro Val 
                245                 250                 


<210>  254
<211>  306
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature CD86(B7-2)

<400>  254

Ala Pro Leu Lys Ile Gln Ala Tyr Phe Asn Glu Thr Ala Asp Leu Pro 
1               5                   10                  15      


Cys Gln Phe Ala Asn Ser Gln Asn Gln Ser Leu Ser Glu Leu Val Val 
            20                  25                  30          


Phe Trp Gln Asp Gln Glu Asn Leu Val Leu Asn Glu Val Tyr Leu Gly 
        35                  40                  45              


Lys Glu Lys Phe Asp Ser Val His Ser Lys Tyr Met Gly Arg Thr Ser 
    50                  55                  60                  


Phe Asp Ser Asp Ser Trp Thr Leu Arg Leu His Asn Leu Gln Ile Lys 
65                  70                  75                  80  


Asp Lys Gly Leu Tyr Gln Cys Ile Ile His His Lys Lys Pro Thr Gly 
                85                  90                  95      


Met Ile Arg Ile His Gln Met Asn Ser Glu Leu Ser Val Leu Ala Asn 
            100                 105                 110         


Phe Ser Gln Pro Glu Ile Val Pro Ile Ser Asn Ile Thr Glu Asn Val 
        115                 120                 125             


Tyr Ile Asn Leu Thr Cys Ser Ser Ile His Gly Tyr Pro Glu Pro Lys 
    130                 135                 140                 


Lys Met Ser Val Leu Leu Arg Thr Lys Asn Ser Thr Ile Glu Tyr Asp 
145                 150                 155                 160 


Gly Val Met Gln Lys Ser Gln Asp Asn Val Thr Glu Leu Tyr Asp Val 
                165                 170                 175     


Ser Ile Ser Leu Ser Val Ser Phe Pro Asp Val Thr Ser Asn Met Thr 
            180                 185                 190         


Ile Phe Cys Ile Leu Glu Thr Asp Lys Thr Arg Leu Leu Ser Ser Pro 
        195                 200                 205             


Phe Ser Ile Glu Leu Glu Asp Pro Gln Pro Pro Pro Asp His Ile Pro 
    210                 215                 220                 


Trp Ile Thr Ala Val Leu Pro Thr Val Ile Ile Cys Val Met Val Phe 
225                 230                 235                 240 


Cys Leu Ile Leu Trp Lys Trp Lys Lys Lys Lys Arg Pro Arg Asn Ser 
                245                 250                 255     


Tyr Lys Cys Gly Thr Asn Thr Met Glu Arg Glu Glu Ser Glu Gln Thr 
            260                 265                 270         


Lys Lys Arg Glu Lys Ile His Ile Pro Glu Arg Ser Asp Glu Ala Gln 
        275                 280                 285             


Arg Val Phe Lys Ser Ser Lys Thr Ser Ser Cys Asp Lys Ser Asp Thr 
    290                 295                 300                 


Cys Phe 
305     


<210>  255
<211>  272
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature CD274 (PD-L1, B7-H1)

<400>  255

Phe Thr Val Thr Val Pro Lys Asp Leu Tyr Val Val Glu Tyr Gly Ser 
1               5                   10                  15      


Asn Met Thr Ile Glu Cys Lys Phe Pro Val Glu Lys Gln Leu Asp Leu 
            20                  25                  30          


Ala Ala Leu Ile Val Tyr Trp Glu Met Glu Asp Lys Asn Ile Ile Gln 
        35                  40                  45              


Phe Val His Gly Glu Glu Asp Leu Lys Val Gln His Ser Ser Tyr Arg 
    50                  55                  60                  


Gln Arg Ala Arg Leu Leu Lys Asp Gln Leu Ser Leu Gly Asn Ala Ala 
65                  70                  75                  80  


Leu Gln Ile Thr Asp Val Lys Leu Gln Asp Ala Gly Val Tyr Arg Cys 
                85                  90                  95      


Met Ile Ser Tyr Gly Gly Ala Asp Tyr Lys Arg Ile Thr Val Lys Val 
            100                 105                 110         


Asn Ala Pro Tyr Asn Lys Ile Asn Gln Arg Ile Leu Val Val Asp Pro 
        115                 120                 125             


Val Thr Ser Glu His Glu Leu Thr Cys Gln Ala Glu Gly Tyr Pro Lys 
    130                 135                 140                 


Ala Glu Val Ile Trp Thr Ser Ser Asp His Gln Val Leu Ser Gly Lys 
145                 150                 155                 160 


Thr Thr Thr Thr Asn Ser Lys Arg Glu Glu Lys Leu Phe Asn Val Thr 
                165                 170                 175     


Ser Thr Leu Arg Ile Asn Thr Thr Thr Asn Glu Ile Phe Tyr Cys Thr 
            180                 185                 190         


Phe Arg Arg Leu Asp Pro Glu Glu Asn His Thr Ala Glu Leu Val Ile 
        195                 200                 205             


Pro Glu Leu Pro Leu Ala His Pro Pro Asn Glu Arg Thr His Leu Val 
    210                 215                 220                 


Ile Leu Gly Ala Ile Leu Leu Cys Leu Gly Val Ala Leu Thr Phe Ile 
225                 230                 235                 240 


Phe Arg Leu Arg Lys Gly Arg Met Met Asp Val Lys Lys Cys Gly Ile 
                245                 250                 255     


Gln Asp Thr Asn Ser Lys Lys Gln Ser Asp Thr His Leu Glu Glu Thr 
            260                 265                 270         


<210>  256
<211>  254
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature PDCD1LG2(PD-L2, CD273)

<400>  256

Leu Phe Thr Val Thr Val Pro Lys Glu Leu Tyr Ile Ile Glu His Gly 
1               5                   10                  15      


Ser Asn Val Thr Leu Glu Cys Asn Phe Asp Thr Gly Ser His Val Asn 
            20                  25                  30          


Leu Gly Ala Ile Thr Ala Ser Leu Gln Lys Val Glu Asn Asp Thr Ser 
        35                  40                  45              


Pro His Arg Glu Arg Ala Thr Leu Leu Glu Glu Gln Leu Pro Leu Gly 
    50                  55                  60                  


Lys Ala Ser Phe His Ile Pro Gln Val Gln Val Arg Asp Glu Gly Gln 
65                  70                  75                  80  


Tyr Gln Cys Ile Ile Ile Tyr Gly Val Ala Trp Asp Tyr Lys Tyr Leu 
                85                  90                  95      


Thr Leu Lys Val Lys Ala Ser Tyr Arg Lys Ile Asn Thr His Ile Leu 
            100                 105                 110         


Lys Val Pro Glu Thr Asp Glu Val Glu Leu Thr Cys Gln Ala Thr Gly 
        115                 120                 125             


Tyr Pro Leu Ala Glu Val Ser Trp Pro Asn Val Ser Val Pro Ala Asn 
    130                 135                 140                 


Thr Ser His Ser Arg Thr Pro Glu Gly Leu Tyr Gln Val Thr Ser Val 
145                 150                 155                 160 


Leu Arg Leu Lys Pro Pro Pro Gly Arg Asn Phe Ser Cys Val Phe Trp 
                165                 170                 175     


Asn Thr His Val Arg Glu Leu Thr Leu Ala Ser Ile Asp Leu Gln Ser 
            180                 185                 190         


Gln Met Glu Pro Arg Thr His Pro Thr Trp Leu Leu His Ile Phe Ile 
        195                 200                 205             


Pro Phe Cys Ile Ile Ala Phe Ile Phe Ile Ala Thr Val Ile Ala Leu 
    210                 215                 220                 


Arg Lys Gln Leu Cys Gln Lys Leu Tyr Ser Ser Lys Asp Thr Thr Lys 
225                 230                 235                 240 


Arg Pro Val Thr Thr Thr Lys Arg Glu Val Asn Ser Ala Ile 
                245                 250                 


<210>  257
<211>  284
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature ICOSLG(B7RP1, CD275, ICOSL, B7-H2)

<400>  257

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr Trp Ser 
225                 230                 235                 240 


Ile Leu Ala Val Leu Cys Leu Leu Val Val Val Ala Val Ala Ile Gly 
                245                 250                 255     


Trp Val Cys Arg Asp Arg Cys Leu Gln His Ser Tyr Ala Gly Ala Trp 
            260                 265                 270         


Ala Val Ser Pro Glu Thr Glu Leu Thr Gly His Val 
        275                 280                 


<210>  258
<211>  506
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature CD276(B7-H3)

<400>  258

Leu Glu Val Gln Val Pro Glu Asp Pro Val Val Ala Leu Val Gly Thr 
1               5                   10                  15      


Asp Ala Thr Leu Cys Cys Ser Phe Ser Pro Glu Pro Gly Phe Ser Leu 
            20                  25                  30          


Ala Gln Leu Asn Leu Ile Trp Gln Leu Thr Asp Thr Lys Gln Leu Val 
        35                  40                  45              


His Ser Phe Ala Glu Gly Gln Asp Gln Gly Ser Ala Tyr Ala Asn Arg 
    50                  55                  60                  


Thr Ala Leu Phe Pro Asp Leu Leu Ala Gln Gly Asn Ala Ser Leu Arg 
65                  70                  75                  80  


Leu Gln Arg Val Arg Val Ala Asp Glu Gly Ser Phe Thr Cys Phe Val 
                85                  90                  95      


Ser Ile Arg Asp Phe Gly Ser Ala Ala Val Ser Leu Gln Val Ala Ala 
            100                 105                 110         


Pro Tyr Ser Lys Pro Ser Met Thr Leu Glu Pro Asn Lys Asp Leu Arg 
        115                 120                 125             


Pro Gly Asp Thr Val Thr Ile Thr Cys Ser Ser Tyr Gln Gly Tyr Pro 
    130                 135                 140                 


Glu Ala Glu Val Phe Trp Gln Asp Gly Gln Gly Val Pro Leu Thr Gly 
145                 150                 155                 160 


Asn Val Thr Thr Ser Gln Met Ala Asn Glu Gln Gly Leu Phe Asp Val 
                165                 170                 175     


His Ser Ile Leu Arg Val Val Leu Gly Ala Asn Gly Thr Tyr Ser Cys 
            180                 185                 190         


Leu Val Arg Asn Pro Val Leu Gln Gln Asp Ala His Ser Ser Val Thr 
        195                 200                 205             


Ile Thr Pro Gln Arg Ser Pro Thr Gly Ala Val Glu Val Gln Val Pro 
    210                 215                 220                 


Glu Asp Pro Val Val Ala Leu Val Gly Thr Asp Ala Thr Leu Arg Cys 
225                 230                 235                 240 


Ser Phe Ser Pro Glu Pro Gly Phe Ser Leu Ala Gln Leu Asn Leu Ile 
                245                 250                 255     


Trp Gln Leu Thr Asp Thr Lys Gln Leu Val His Ser Phe Thr Glu Gly 
            260                 265                 270         


Arg Asp Gln Gly Ser Ala Tyr Ala Asn Arg Thr Ala Leu Phe Pro Asp 
        275                 280                 285             


Leu Leu Ala Gln Gly Asn Ala Ser Leu Arg Leu Gln Arg Val Arg Val 
    290                 295                 300                 


Ala Asp Glu Gly Ser Phe Thr Cys Phe Val Ser Ile Arg Asp Phe Gly 
305                 310                 315                 320 


Ser Ala Ala Val Ser Leu Gln Val Ala Ala Pro Tyr Ser Lys Pro Ser 
                325                 330                 335     


Met Thr Leu Glu Pro Asn Lys Asp Leu Arg Pro Gly Asp Thr Val Thr 
            340                 345                 350         


Ile Thr Cys Ser Ser Tyr Arg Gly Tyr Pro Glu Ala Glu Val Phe Trp 
        355                 360                 365             


Gln Asp Gly Gln Gly Val Pro Leu Thr Gly Asn Val Thr Thr Ser Gln 
    370                 375                 380                 


Met Ala Asn Glu Gln Gly Leu Phe Asp Val His Ser Val Leu Arg Val 
385                 390                 395                 400 


Val Leu Gly Ala Asn Gly Thr Tyr Ser Cys Leu Val Arg Asn Pro Val 
                405                 410                 415     


Leu Gln Gln Asp Ala His Gly Ser Val Thr Ile Thr Gly Gln Pro Met 
            420                 425                 430         


Thr Phe Pro Pro Glu Ala Leu Trp Val Thr Val Gly Leu Ser Val Cys 
        435                 440                 445             


Leu Ile Ala Leu Leu Val Ala Leu Ala Phe Val Cys Trp Arg Lys Ile 
    450                 455                 460                 


Lys Gln Ser Cys Glu Glu Glu Asn Ala Gly Ala Glu Asp Gln Asp Gly 
465                 470                 475                 480 


Glu Gly Glu Gly Ser Lys Thr Ala Leu Gln Pro Leu Lys His Ser Asp 
                485                 490                 495     


Ser Lys Glu Asp Asp Gly Gln Glu Ile Ala 
            500                 505     


<210>  259
<211>  258
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature VTCN1(B7-H4)

<400>  259

Leu Ile Ile Gly Phe Gly Ile Ser Gly Arg His Ser Ile Thr Val Thr 
1               5                   10                  15      


Thr Val Ala Ser Ala Gly Asn Ile Gly Glu Asp Gly Ile Leu Ser Cys 
            20                  25                  30          


Thr Phe Glu Pro Asp Ile Lys Leu Ser Asp Ile Val Ile Gln Trp Leu 
        35                  40                  45              


Lys Glu Gly Val Leu Gly Leu Val His Glu Phe Lys Glu Gly Lys Asp 
    50                  55                  60                  


Glu Leu Ser Glu Gln Asp Glu Met Phe Arg Gly Arg Thr Ala Val Phe 
65                  70                  75                  80  


Ala Asp Gln Val Ile Val Gly Asn Ala Ser Leu Arg Leu Lys Asn Val 
                85                  90                  95      


Gln Leu Thr Asp Ala Gly Thr Tyr Lys Cys Tyr Ile Ile Thr Ser Lys 
            100                 105                 110         


Gly Lys Gly Asn Ala Asn Leu Glu Tyr Lys Thr Gly Ala Phe Ser Met 
        115                 120                 125             


Pro Glu Val Asn Val Asp Tyr Asn Ala Ser Ser Glu Thr Leu Arg Cys 
    130                 135                 140                 


Glu Ala Pro Arg Trp Phe Pro Gln Pro Thr Val Val Trp Ala Ser Gln 
145                 150                 155                 160 


Val Asp Gln Gly Ala Asn Phe Ser Glu Val Ser Asn Thr Ser Phe Glu 
                165                 170                 175     


Leu Asn Ser Glu Asn Val Thr Met Lys Val Val Ser Val Leu Tyr Asn 
            180                 185                 190         


Val Thr Ile Asn Asn Thr Tyr Ser Cys Met Ile Glu Asn Asp Ile Ala 
        195                 200                 205             


Lys Ala Thr Gly Asp Ile Lys Val Thr Glu Ser Glu Ile Lys Arg Arg 
    210                 215                 220                 


Ser His Leu Gln Leu Leu Asn Ser Lys Ala Ser Leu Cys Val Ser Ser 
225                 230                 235                 240 


Phe Phe Ala Ile Ser Trp Ala Leu Leu Pro Leu Ser Pro Tyr Leu Met 
                245                 250                 255     


Leu Lys 
        


<210>  260
<211>  202
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature CD28

<400>  260

Asn Lys Ile Leu Val Lys Gln Ser Pro Met Leu Val Ala Tyr Asp Asn 
1               5                   10                  15      


Ala Val Asn Leu Ser Cys Lys Tyr Ser Tyr Asn Leu Phe Ser Arg Glu 
            20                  25                  30          


Phe Arg Ala Ser Leu His Lys Gly Leu Asp Ser Ala Val Glu Val Cys 
        35                  40                  45              


Val Val Tyr Gly Asn Tyr Ser Gln Gln Leu Gln Val Tyr Ser Lys Thr 
    50                  55                  60                  


Gly Phe Asn Cys Asp Gly Lys Leu Gly Asn Glu Ser Val Thr Phe Tyr 
65                  70                  75                  80  


Leu Gln Asn Leu Tyr Val Asn Gln Thr Asp Ile Tyr Phe Cys Lys Ile 
                85                  90                  95      


Glu Val Met Tyr Pro Pro Pro Tyr Leu Asp Asn Glu Lys Ser Asn Gly 
            100                 105                 110         


Thr Ile Ile His Val Lys Gly Lys His Leu Cys Pro Ser Pro Leu Phe 
        115                 120                 125             


Pro Gly Pro Ser Lys Pro Phe Trp Val Leu Val Val Val Gly Gly Val 
    130                 135                 140                 


Leu Ala Cys Tyr Ser Leu Leu Val Thr Val Ala Phe Ile Ile Phe Trp 
145                 150                 155                 160 


Val Arg Ser Lys Arg Ser Arg Leu Leu His Ser Asp Tyr Met Asn Met 
                165                 170                 175     


Thr Pro Arg Arg Pro Gly Pro Thr Arg Lys His Tyr Gln Pro Tyr Ala 
            180                 185                 190         


Pro Pro Arg Asp Phe Ala Ala Tyr Arg Ser 
        195                 200         


<210>  261
<211>  188
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature CTLA4

<400>  261

Lys Ala Met His Val Ala Gln Pro Ala Val Val Leu Ala Ser Ser Arg 
1               5                   10                  15      


Gly Ile Ala Ser Phe Val Cys Glu Tyr Ala Ser Pro Gly Lys Ala Thr 
            20                  25                  30          


Glu Val Arg Val Thr Val Leu Arg Gln Ala Asp Ser Gln Val Thr Glu 
        35                  40                  45              


Val Cys Ala Ala Thr Tyr Met Met Gly Asn Glu Leu Thr Phe Leu Asp 
    50                  55                  60                  


Asp Ser Ile Cys Thr Gly Thr Ser Ser Gly Asn Gln Val Asn Leu Thr 
65                  70                  75                  80  


Ile Gln Gly Leu Arg Ala Met Asp Thr Gly Leu Tyr Ile Cys Lys Val 
                85                  90                  95      


Glu Leu Met Tyr Pro Pro Pro Tyr Tyr Leu Gly Ile Gly Asn Gly Thr 
            100                 105                 110         


Gln Ile Tyr Val Ile Asp Pro Glu Pro Cys Pro Asp Ser Asp Phe Leu 
        115                 120                 125             


Leu Trp Ile Leu Ala Ala Val Ser Ser Gly Leu Phe Phe Tyr Ser Phe 
    130                 135                 140                 


Leu Leu Thr Ala Val Ser Leu Ser Lys Met Leu Lys Lys Arg Ser Pro 
145                 150                 155                 160 


Leu Thr Thr Gly Val Tyr Val Lys Met Pro Pro Thr Glu Pro Glu Cys 
                165                 170                 175     


Glu Lys Gln Phe Gln Pro Tyr Phe Ile Pro Ile Asn 
            180                 185             


<210>  262
<211>  268
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature PDCD1(PD-1)

<400>  262

Pro Gly Trp Phe Leu Asp Ser Pro Asp Arg Pro Trp Asn Pro Pro Thr 
1               5                   10                  15      


Phe Ser Pro Ala Leu Leu Val Val Thr Glu Gly Asp Asn Ala Thr Phe 
            20                  25                  30          


Thr Cys Ser Phe Ser Asn Thr Ser Glu Ser Phe Val Leu Asn Trp Tyr 
        35                  40                  45              


Arg Met Ser Pro Ser Asn Gln Thr Asp Lys Leu Ala Ala Phe Pro Glu 
    50                  55                  60                  


Asp Arg Ser Gln Pro Gly Gln Asp Cys Arg Phe Arg Val Thr Gln Leu 
65                  70                  75                  80  


Pro Asn Gly Arg Asp Phe His Met Ser Val Val Arg Ala Arg Arg Asn 
                85                  90                  95      


Asp Ser Gly Thr Tyr Leu Cys Gly Ala Ile Ser Leu Ala Pro Lys Ala 
            100                 105                 110         


Gln Ile Lys Glu Ser Leu Arg Ala Glu Leu Arg Val Thr Glu Arg Arg 
        115                 120                 125             


Ala Glu Val Pro Thr Ala His Pro Ser Pro Ser Pro Arg Pro Ala Gly 
    130                 135                 140                 


Gln Phe Gln Thr Leu Val Val Gly Val Val Gly Gly Leu Leu Gly Ser 
145                 150                 155                 160 


Leu Val Leu Leu Val Trp Val Leu Ala Val Ile Cys Ser Arg Ala Ala 
                165                 170                 175     


Arg Gly Thr Ile Gly Ala Arg Arg Thr Gly Gln Pro Leu Lys Glu Asp 
            180                 185                 190         


Pro Ser Ala Val Pro Val Phe Ser Val Asp Tyr Gly Glu Leu Asp Phe 
        195                 200                 205             


Gln Trp Arg Glu Lys Thr Pro Glu Pro Pro Val Pro Cys Val Pro Glu 
    210                 215                 220                 


Gln Thr Glu Tyr Ala Thr Ile Val Phe Pro Ser Gly Met Gly Thr Ser 
225                 230                 235                 240 


Ser Pro Ala Arg Arg Gly Ser Ala Asp Gly Pro Arg Ser Ala Gln Pro 
                245                 250                 255     


Leu Arg Pro Glu Asp Gly His Cys Ser Trp Pro Leu 
            260                 265             


<210>  263
<211>  179
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature ICOS

<400>  263

Glu Ile Asn Gly Ser Ala Asn Tyr Glu Met Phe Ile Phe His Asn Gly 
1               5                   10                  15      


Gly Val Gln Ile Leu Cys Lys Tyr Pro Asp Ile Val Gln Gln Phe Lys 
            20                  25                  30          


Met Gln Leu Leu Lys Gly Gly Gln Ile Leu Cys Asp Leu Thr Lys Thr 
        35                  40                  45              


Lys Gly Ser Gly Asn Thr Val Ser Ile Lys Ser Leu Lys Phe Cys His 
    50                  55                  60                  


Ser Gln Leu Ser Asn Asn Ser Val Ser Phe Phe Leu Tyr Asn Leu Asp 
65                  70                  75                  80  


His Ser His Ala Asn Tyr Tyr Phe Cys Asn Leu Ser Ile Phe Asp Pro 
                85                  90                  95      


Pro Pro Phe Lys Val Thr Leu Thr Gly Gly Tyr Leu His Ile Tyr Glu 
            100                 105                 110         


Ser Gln Leu Cys Cys Gln Leu Lys Phe Trp Leu Pro Ile Gly Cys Ala 
        115                 120                 125             


Ala Phe Val Val Val Cys Ile Leu Gly Cys Ile Leu Ile Cys Trp Leu 
    130                 135                 140                 


Thr Lys Lys Lys Tyr Ser Ser Ser Val His Asp Pro Asn Gly Glu Tyr 
145                 150                 155                 160 


Met Phe Met Arg Ala Val Asn Thr Ala Lys Lys Ser Arg Leu Thr Asp 
                165                 170                 175     


Val Thr Leu 
            


<210>  264
<211>  259
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature BTLA(CD272)

<400>  264

Lys Glu Ser Cys Asp Val Gln Leu Tyr Ile Lys Arg Gln Ser Glu His 
1               5                   10                  15      


Ser Ile Leu Ala Gly Asp Pro Phe Glu Leu Glu Cys Pro Val Lys Tyr 
            20                  25                  30          


Cys Ala Asn Arg Pro His Val Thr Trp Cys Lys Leu Asn Gly Thr Thr 
        35                  40                  45              


Cys Val Lys Leu Glu Asp Arg Gln Thr Ser Trp Lys Glu Glu Lys Asn 
    50                  55                  60                  


Ile Ser Phe Phe Ile Leu His Phe Glu Pro Val Leu Pro Asn Asp Asn 
65                  70                  75                  80  


Gly Ser Tyr Arg Cys Ser Ala Asn Phe Gln Ser Asn Leu Ile Glu Ser 
                85                  90                  95      


His Ser Thr Thr Leu Tyr Val Thr Asp Val Lys Ser Ala Ser Glu Arg 
            100                 105                 110         


Pro Ser Lys Asp Glu Met Ala Ser Arg Pro Trp Leu Leu Tyr Arg Leu 
        115                 120                 125             


Leu Pro Leu Gly Gly Leu Pro Leu Leu Ile Thr Thr Cys Phe Cys Leu 
    130                 135                 140                 


Phe Cys Cys Leu Arg Arg His Gln Gly Lys Gln Asn Glu Leu Ser Asp 
145                 150                 155                 160 


Thr Ala Gly Arg Glu Ile Asn Leu Val Asp Ala His Leu Lys Ser Glu 
                165                 170                 175     


Gln Thr Glu Ala Ser Thr Arg Gln Asn Ser Gln Val Leu Leu Ser Glu 
            180                 185                 190         


Thr Gly Ile Tyr Asp Asn Asp Pro Asp Leu Cys Phe Arg Met Gln Glu 
        195                 200                 205             


Gly Ser Glu Val Tyr Ser Asn Pro Cys Leu Glu Glu Asn Lys Pro Gly 
    210                 215                 220                 


Ile Val Tyr Ala Ser Leu Asn His Ser Val Ile Gly Pro Asn Ser Arg 
225                 230                 235                 240 


Leu Ala Arg Asn Val Lys Glu Ala Pro Thr Glu Tyr Ala Ser Ile Cys 
                245                 250                 255     


Val Arg Ser 
            


<210>  265
<211>  433
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature CD4

<400>  265

Lys Lys Val Val Leu Gly Lys Lys Gly Asp Thr Val Glu Leu Thr Cys 
1               5                   10                  15      


Thr Ala Ser Gln Lys Lys Ser Ile Gln Phe His Trp Lys Asn Ser Asn 
            20                  25                  30          


Gln Ile Lys Ile Leu Gly Asn Gln Gly Ser Phe Leu Thr Lys Gly Pro 
        35                  40                  45              


Ser Lys Leu Asn Asp Arg Ala Asp Ser Arg Arg Ser Leu Trp Asp Gln 
    50                  55                  60                  


Gly Asn Phe Pro Leu Ile Ile Lys Asn Leu Lys Ile Glu Asp Ser Asp 
65                  70                  75                  80  


Thr Tyr Ile Cys Glu Val Glu Asp Gln Lys Glu Glu Val Gln Leu Leu 
                85                  90                  95      


Val Phe Gly Leu Thr Ala Asn Ser Asp Thr His Leu Leu Gln Gly Gln 
            100                 105                 110         


Ser Leu Thr Leu Thr Leu Glu Ser Pro Pro Gly Ser Ser Pro Ser Val 
        115                 120                 125             


Gln Cys Arg Ser Pro Arg Gly Lys Asn Ile Gln Gly Gly Lys Thr Leu 
    130                 135                 140                 


Ser Val Ser Gln Leu Glu Leu Gln Asp Ser Gly Thr Trp Thr Cys Thr 
145                 150                 155                 160 


Val Leu Gln Asn Gln Lys Lys Val Glu Phe Lys Ile Asp Ile Val Val 
                165                 170                 175     


Leu Ala Phe Gln Lys Ala Ser Ser Ile Val Tyr Lys Lys Glu Gly Glu 
            180                 185                 190         


Gln Val Glu Phe Ser Phe Pro Leu Ala Phe Thr Val Glu Lys Leu Thr 
        195                 200                 205             


Gly Ser Gly Glu Leu Trp Trp Gln Ala Glu Arg Ala Ser Ser Ser Lys 
    210                 215                 220                 


Ser Trp Ile Thr Phe Asp Leu Lys Asn Lys Glu Val Ser Val Lys Arg 
225                 230                 235                 240 


Val Thr Gln Asp Pro Lys Leu Gln Met Gly Lys Lys Leu Pro Leu His 
                245                 250                 255     


Leu Thr Leu Pro Gln Ala Leu Pro Gln Tyr Ala Gly Ser Gly Asn Leu 
            260                 265                 270         


Thr Leu Ala Leu Glu Ala Lys Thr Gly Lys Leu His Gln Glu Val Asn 
        275                 280                 285             


Leu Val Val Met Arg Ala Thr Gln Leu Gln Lys Asn Leu Thr Cys Glu 
    290                 295                 300                 


Val Trp Gly Pro Thr Ser Pro Lys Leu Met Leu Ser Leu Lys Leu Glu 
305                 310                 315                 320 


Asn Lys Glu Ala Lys Val Ser Lys Arg Glu Lys Ala Val Trp Val Leu 
                325                 330                 335     


Asn Pro Glu Ala Gly Met Trp Gln Cys Leu Leu Ser Asp Ser Gly Gln 
            340                 345                 350         


Val Leu Leu Glu Ser Asn Ile Lys Val Leu Pro Thr Trp Ser Thr Pro 
        355                 360                 365             


Val Gln Pro Met Ala Leu Ile Val Leu Gly Gly Val Ala Gly Leu Leu 
    370                 375                 380                 


Leu Phe Ile Gly Leu Gly Ile Phe Phe Cys Val Arg Cys Arg His Arg 
385                 390                 395                 400 


Arg Arg Gln Ala Glu Arg Met Ser Gln Ile Lys Arg Leu Leu Ser Glu 
                405                 410                 415     


Lys Lys Thr Cys Gln Cys Pro His Arg Phe Gln Lys Thr Cys Ser Pro 
            420                 425                 430         


Ile 
    


<210>  266
<211>  214
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature CD8A(CD8-alpha)

<400>  266

Ser Gln Phe Arg Val Ser Pro Leu Asp Arg Thr Trp Asn Leu Gly Glu 
1               5                   10                  15      


Thr Val Glu Leu Lys Cys Gln Val Leu Leu Ser Asn Pro Thr Ser Gly 
            20                  25                  30          


Cys Ser Trp Leu Phe Gln Pro Arg Gly Ala Ala Ala Ser Pro Thr Phe 
        35                  40                  45              


Leu Leu Tyr Leu Ser Gln Asn Lys Pro Lys Ala Ala Glu Gly Leu Asp 
    50                  55                  60                  


Thr Gln Arg Phe Ser Gly Lys Arg Leu Gly Asp Thr Phe Val Leu Thr 
65                  70                  75                  80  


Leu Ser Asp Phe Arg Arg Glu Asn Glu Gly Tyr Tyr Phe Cys Ser Ala 
                85                  90                  95      


Leu Ser Asn Ser Ile Met Tyr Phe Ser His Phe Val Pro Val Phe Leu 
            100                 105                 110         


Pro Ala Lys Pro Thr Thr Thr Pro Ala Pro Arg Pro Pro Thr Pro Ala 
        115                 120                 125             


Pro Thr Ile Ala Ser Gln Pro Leu Ser Leu Arg Pro Glu Ala Cys Arg 
    130                 135                 140                 


Pro Ala Ala Gly Gly Ala Val His Thr Arg Gly Leu Asp Phe Ala Cys 
145                 150                 155                 160 


Asp Ile Tyr Ile Trp Ala Pro Leu Ala Gly Thr Cys Gly Val Leu Leu 
                165                 170                 175     


Leu Ser Leu Val Ile Thr Leu Tyr Cys Asn His Arg Asn Arg Arg Arg 
            180                 185                 190         


Val Cys Lys Cys Pro Arg Pro Val Val Lys Ser Gly Asp Lys Pro Ser 
        195                 200                 205             


Leu Ser Ala Arg Tyr Val 
    210                 


<210>  267
<211>  189
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature CD8B(CD8-beta)

<400>  267

Leu Gln Gln Thr Pro Ala Tyr Ile Lys Val Gln Thr Asn Lys Met Val 
1               5                   10                  15      


Met Leu Ser Cys Glu Ala Lys Ile Ser Leu Ser Asn Met Arg Ile Tyr 
            20                  25                  30          


Trp Leu Arg Gln Arg Gln Ala Pro Ser Ser Asp Ser His His Glu Phe 
        35                  40                  45              


Leu Ala Leu Trp Asp Ser Ala Lys Gly Thr Ile His Gly Glu Glu Val 
    50                  55                  60                  


Glu Gln Glu Lys Ile Ala Val Phe Arg Asp Ala Ser Arg Phe Ile Leu 
65                  70                  75                  80  


Asn Leu Thr Ser Val Lys Pro Glu Asp Ser Gly Ile Tyr Phe Cys Met 
                85                  90                  95      


Ile Val Gly Ser Pro Glu Leu Thr Phe Gly Lys Gly Thr Gln Leu Ser 
            100                 105                 110         


Val Val Asp Phe Leu Pro Thr Thr Ala Gln Pro Thr Lys Lys Ser Thr 
        115                 120                 125             


Leu Lys Lys Arg Val Cys Arg Leu Pro Arg Pro Glu Thr Gln Lys Gly 
    130                 135                 140                 


Pro Leu Cys Ser Pro Ile Thr Leu Gly Leu Leu Val Ala Gly Val Leu 
145                 150                 155                 160 


Val Leu Leu Val Ser Leu Gly Val Ala Ile His Leu Cys Cys Arg Arg 
                165                 170                 175     


Arg Arg Ala Arg Leu Arg Phe Met Lys Gln Phe Tyr Lys 
            180                 185                 


<210>  268
<211>  497
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature LAG3

<400>  268

Val Pro Val Val Trp Ala Gln Glu Gly Ala Pro Ala Gln Leu Pro Cys 
1               5                   10                  15      


Ser Pro Thr Ile Pro Leu Gln Asp Leu Ser Leu Leu Arg Arg Ala Gly 
            20                  25                  30          


Val Thr Trp Gln His Gln Pro Asp Ser Gly Pro Pro Ala Ala Ala Pro 
        35                  40                  45              


Gly His Pro Leu Ala Pro Gly Pro His Pro Ala Ala Pro Ser Ser Trp 
    50                  55                  60                  


Gly Pro Arg Pro Arg Arg Tyr Thr Val Leu Ser Val Gly Pro Gly Gly 
65                  70                  75                  80  


Leu Arg Ser Gly Arg Leu Pro Leu Gln Pro Arg Val Gln Leu Asp Glu 
                85                  90                  95      


Arg Gly Arg Gln Arg Gly Asp Phe Ser Leu Trp Leu Arg Pro Ala Arg 
            100                 105                 110         


Arg Ala Asp Ala Gly Glu Tyr Arg Ala Ala Val His Leu Arg Asp Arg 
        115                 120                 125             


Ala Leu Ser Cys Arg Leu Arg Leu Arg Leu Gly Gln Ala Ser Met Thr 
    130                 135                 140                 


Ala Ser Pro Pro Gly Ser Leu Arg Ala Ser Asp Trp Val Ile Leu Asn 
145                 150                 155                 160 


Cys Ser Phe Ser Arg Pro Asp Arg Pro Ala Ser Val His Trp Phe Arg 
                165                 170                 175     


Asn Arg Gly Gln Gly Arg Val Pro Val Arg Glu Ser Pro His His His 
            180                 185                 190         


Leu Ala Glu Ser Phe Leu Phe Leu Pro Gln Val Ser Pro Met Asp Ser 
        195                 200                 205             


Gly Pro Trp Gly Cys Ile Leu Thr Tyr Arg Asp Gly Phe Asn Val Ser 
    210                 215                 220                 


Ile Met Tyr Asn Leu Thr Val Leu Gly Leu Glu Pro Pro Thr Pro Leu 
225                 230                 235                 240 


Thr Val Tyr Ala Gly Ala Gly Ser Arg Val Gly Leu Pro Cys Arg Leu 
                245                 250                 255     


Pro Ala Gly Val Gly Thr Arg Ser Phe Leu Thr Ala Lys Trp Thr Pro 
            260                 265                 270         


Pro Gly Gly Gly Pro Asp Leu Leu Val Thr Gly Asp Asn Gly Asp Phe 
        275                 280                 285             


Thr Leu Arg Leu Glu Asp Val Ser Gln Ala Gln Ala Gly Thr Tyr Thr 
    290                 295                 300                 


Cys His Ile His Leu Gln Glu Gln Gln Leu Asn Ala Thr Val Thr Leu 
305                 310                 315                 320 


Ala Ile Ile Thr Val Thr Pro Lys Ser Phe Gly Ser Pro Gly Ser Leu 
                325                 330                 335     


Gly Lys Leu Leu Cys Glu Val Thr Pro Val Ser Gly Gln Glu Arg Phe 
            340                 345                 350         


Val Trp Ser Ser Leu Asp Thr Pro Ser Gln Arg Ser Phe Ser Gly Pro 
        355                 360                 365             


Trp Leu Glu Ala Gln Glu Ala Gln Leu Leu Ser Gln Pro Trp Gln Cys 
    370                 375                 380                 


Gln Leu Tyr Gln Gly Glu Arg Leu Leu Gly Ala Ala Val Tyr Phe Thr 
385                 390                 395                 400 


Glu Leu Ser Ser Pro Gly Ala Gln Arg Ser Gly Arg Ala Pro Gly Ala 
                405                 410                 415     


Leu Pro Ala Gly His Leu Leu Leu Phe Leu Ile Leu Gly Val Leu Ser 
            420                 425                 430         


Leu Leu Leu Leu Val Thr Gly Ala Phe Gly Phe His Leu Trp Arg Arg 
        435                 440                 445             


Gln Trp Arg Pro Arg Arg Phe Ser Ala Leu Glu Gln Gly Ile His Pro 
    450                 455                 460                 


Pro Gln Ala Gln Ser Lys Ile Glu Glu Leu Glu Gln Glu Pro Glu Pro 
465                 470                 475                 480 


Glu Pro Glu Pro Glu Pro Glu Pro Glu Pro Glu Pro Glu Pro Glu Gln 
                485                 490                 495     


Leu 
    


<210>  269
<211>  280
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature HAVCR2(TIM-3)

<400>  269

Ser Glu Val Glu Tyr Arg Ala Glu Val Gly Gln Asn Ala Tyr Leu Pro 
1               5                   10                  15      


Cys Phe Tyr Thr Pro Ala Ala Pro Gly Asn Leu Val Pro Val Cys Trp 
            20                  25                  30          


Gly Lys Gly Ala Cys Pro Val Phe Glu Cys Gly Asn Val Val Leu Arg 
        35                  40                  45              


Thr Asp Glu Arg Asp Val Asn Tyr Trp Thr Ser Arg Tyr Trp Leu Asn 
    50                  55                  60                  


Gly Asp Phe Arg Lys Gly Asp Val Ser Leu Thr Ile Glu Asn Val Thr 
65                  70                  75                  80  


Leu Ala Asp Ser Gly Ile Tyr Cys Cys Arg Ile Gln Ile Pro Gly Ile 
                85                  90                  95      


Met Asn Asp Glu Lys Phe Asn Leu Lys Leu Val Ile Lys Pro Ala Lys 
            100                 105                 110         


Val Thr Pro Ala Pro Thr Arg Gln Arg Asp Phe Thr Ala Ala Phe Pro 
        115                 120                 125             


Arg Met Leu Thr Thr Arg Gly His Gly Pro Ala Glu Thr Gln Thr Leu 
    130                 135                 140                 


Gly Ser Leu Pro Asp Ile Asn Leu Thr Gln Ile Ser Thr Leu Ala Asn 
145                 150                 155                 160 


Glu Leu Arg Asp Ser Arg Leu Ala Asn Asp Leu Arg Asp Ser Gly Ala 
                165                 170                 175     


Thr Ile Arg Ile Gly Ile Tyr Ile Gly Ala Gly Ile Cys Ala Gly Leu 
            180                 185                 190         


Ala Leu Ala Leu Ile Phe Gly Ala Leu Ile Phe Lys Trp Tyr Ser His 
        195                 200                 205             


Ser Lys Glu Lys Ile Gln Asn Leu Ser Leu Ile Ser Leu Ala Asn Leu 
    210                 215                 220                 


Pro Pro Ser Gly Leu Ala Asn Ala Val Ala Glu Gly Ile Arg Ser Glu 
225                 230                 235                 240 


Glu Asn Ile Tyr Thr Ile Glu Glu Asn Val Tyr Glu Val Glu Glu Pro 
                245                 250                 255     


Asn Glu Tyr Tyr Cys Tyr Val Ser Ser Arg Gln Gln Pro Ser Gln Pro 
            260                 265                 270         


Leu Gly Cys Arg Phe Ala Met Pro 
        275                 280 


<210>  270
<211>  492
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature CEACAM1

<400>  270

Gln Leu Thr Thr Glu Ser Met Pro Phe Asn Val Ala Glu Gly Lys Glu 
1               5                   10                  15      


Val Leu Leu Leu Val His Asn Leu Pro Gln Gln Leu Phe Gly Tyr Ser 
            20                  25                  30          


Trp Tyr Lys Gly Glu Arg Val Asp Gly Asn Arg Gln Ile Val Gly Tyr 
        35                  40                  45              


Ala Ile Gly Thr Gln Gln Ala Thr Pro Gly Pro Ala Asn Ser Gly Arg 
    50                  55                  60                  


Glu Thr Ile Tyr Pro Asn Ala Ser Leu Leu Ile Gln Asn Val Thr Gln 
65                  70                  75                  80  


Asn Asp Thr Gly Phe Tyr Thr Leu Gln Val Ile Lys Ser Asp Leu Val 
                85                  90                  95      


Asn Glu Glu Ala Thr Gly Gln Phe His Val Tyr Pro Glu Leu Pro Lys 
            100                 105                 110         


Pro Ser Ile Ser Ser Asn Asn Ser Asn Pro Val Glu Asp Lys Asp Ala 
        115                 120                 125             


Val Ala Phe Thr Cys Glu Pro Glu Thr Gln Asp Thr Thr Tyr Leu Trp 
    130                 135                 140                 


Trp Ile Asn Asn Gln Ser Leu Pro Val Ser Pro Arg Leu Gln Leu Ser 
145                 150                 155                 160 


Asn Gly Asn Arg Thr Leu Thr Leu Leu Ser Val Thr Arg Asn Asp Thr 
                165                 170                 175     


Gly Pro Tyr Glu Cys Glu Ile Gln Asn Pro Val Ser Ala Asn Arg Ser 
            180                 185                 190         


Asp Pro Val Thr Leu Asn Val Thr Tyr Gly Pro Asp Thr Pro Thr Ile 
        195                 200                 205             


Ser Pro Ser Asp Thr Tyr Tyr Arg Pro Gly Ala Asn Leu Ser Leu Ser 
    210                 215                 220                 


Cys Tyr Ala Ala Ser Asn Pro Pro Ala Gln Tyr Ser Trp Leu Ile Asn 
225                 230                 235                 240 


Gly Thr Phe Gln Gln Ser Thr Gln Glu Leu Phe Ile Pro Asn Ile Thr 
                245                 250                 255     


Val Asn Asn Ser Gly Ser Tyr Thr Cys His Ala Asn Asn Ser Val Thr 
            260                 265                 270         


Gly Cys Asn Arg Thr Thr Val Lys Thr Ile Ile Val Thr Glu Leu Ser 
        275                 280                 285             


Pro Val Val Ala Lys Pro Gln Ile Lys Ala Ser Lys Thr Thr Val Thr 
    290                 295                 300                 


Gly Asp Lys Asp Ser Val Asn Leu Thr Cys Ser Thr Asn Asp Thr Gly 
305                 310                 315                 320 


Ile Ser Ile Arg Trp Phe Phe Lys Asn Gln Ser Leu Pro Ser Ser Glu 
                325                 330                 335     


Arg Met Lys Leu Ser Gln Gly Asn Thr Thr Leu Ser Ile Asn Pro Val 
            340                 345                 350         


Lys Arg Glu Asp Ala Gly Thr Tyr Trp Cys Glu Val Phe Asn Pro Ile 
        355                 360                 365             


Ser Lys Asn Gln Ser Asp Pro Ile Met Leu Asn Val Asn Tyr Asn Ala 
    370                 375                 380                 


Leu Pro Gln Glu Asn Gly Leu Ser Pro Gly Ala Ile Ala Gly Ile Val 
385                 390                 395                 400 


Ile Gly Val Val Ala Leu Val Ala Leu Ile Ala Val Ala Leu Ala Cys 
                405                 410                 415     


Phe Leu His Phe Gly Lys Thr Gly Arg Ala Ser Asp Gln Arg Asp Leu 
            420                 425                 430         


Thr Glu His Lys Pro Ser Val Ser Asn His Thr Gln Asp His Ser Asn 
        435                 440                 445             


Asp Pro Pro Asn Lys Met Asn Glu Val Thr Tyr Ser Thr Leu Asn Phe 
    450                 455                 460                 


Glu Ala Gln Gln Pro Thr Gln Pro Thr Ser Ala Ser Pro Ser Leu Thr 
465                 470                 475                 480 


Ala Thr Glu Ile Ile Tyr Ser Glu Val Lys Lys Gln 
                485                 490         


<210>  271
<211>  222
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature TIGIT

<400>  271

Met Thr Gly Thr Ile Glu Thr Thr Gly Asn Ile Ser Ala Glu Lys Gly 
1               5                   10                  15      


Gly Ser Ile Ile Leu Gln Cys His Leu Ser Ser Thr Thr Ala Gln Val 
            20                  25                  30          


Thr Gln Val Asn Trp Glu Gln Gln Asp Gln Leu Leu Ala Ile Cys Asn 
        35                  40                  45              


Ala Asp Leu Gly Trp His Ile Ser Pro Ser Phe Lys Asp Arg Val Ala 
    50                  55                  60                  


Pro Gly Pro Gly Leu Gly Leu Thr Leu Gln Ser Leu Thr Val Asn Asp 
65                  70                  75                  80  


Thr Gly Glu Tyr Phe Cys Ile Tyr His Thr Tyr Pro Asp Gly Thr Tyr 
                85                  90                  95      


Thr Gly Arg Ile Phe Leu Glu Val Leu Glu Ser Ser Val Ala Glu His 
            100                 105                 110         


Gly Ala Arg Phe Gln Ile Pro Leu Leu Gly Ala Met Ala Ala Thr Leu 
        115                 120                 125             


Val Val Ile Cys Thr Ala Val Ile Val Val Val Ala Leu Thr Arg Lys 
    130                 135                 140                 


Lys Lys Ala Leu Arg Ile His Ser Val Glu Gly Asp Leu Arg Arg Lys 
145                 150                 155                 160 


Ser Ala Gly Gln Glu Glu Trp Ser Pro Ser Ala Pro Ser Pro Pro Gly 
                165                 170                 175     


Ser Cys Val Gln Ala Glu Ala Ala Pro Ala Gly Leu Cys Gly Glu Gln 
            180                 185                 190         


Arg Gly Glu Asp Cys Ala Glu Leu His Asp Tyr Phe Asn Val Leu Ser 
        195                 200                 205             


Tyr Arg Ser Leu Gly Asn Cys Ser Phe Phe Thr Glu Thr Gly 
    210                 215                 220         


<210>  272
<211>  397
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature PVR(CD155)

<400>  272

Trp Pro Pro Pro Gly Thr Gly Asp Val Val Val Gln Ala Pro Thr Gln 
1               5                   10                  15      


Val Pro Gly Phe Leu Gly Asp Ser Val Thr Leu Pro Cys Tyr Leu Gln 
            20                  25                  30          


Val Pro Asn Met Glu Val Thr His Val Ser Gln Leu Thr Trp Ala Arg 
        35                  40                  45              


His Gly Glu Ser Gly Ser Met Ala Val Phe His Gln Thr Gln Gly Pro 
    50                  55                  60                  


Ser Tyr Ser Glu Ser Lys Arg Leu Glu Phe Val Ala Ala Arg Leu Gly 
65                  70                  75                  80  


Ala Glu Leu Arg Asn Ala Ser Leu Arg Met Phe Gly Leu Arg Val Glu 
                85                  90                  95      


Asp Glu Gly Asn Tyr Thr Cys Leu Phe Val Thr Phe Pro Gln Gly Ser 
            100                 105                 110         


Arg Ser Val Asp Ile Trp Leu Arg Val Leu Ala Lys Pro Gln Asn Thr 
        115                 120                 125             


Ala Glu Val Gln Lys Val Gln Leu Thr Gly Glu Pro Val Pro Met Ala 
    130                 135                 140                 


Arg Cys Val Ser Thr Gly Gly Arg Pro Pro Ala Gln Ile Thr Trp His 
145                 150                 155                 160 


Ser Asp Leu Gly Gly Met Pro Asn Thr Ser Gln Val Pro Gly Phe Leu 
                165                 170                 175     


Ser Gly Thr Val Thr Val Thr Ser Leu Trp Ile Leu Val Pro Ser Ser 
            180                 185                 190         


Gln Val Asp Gly Lys Asn Val Thr Cys Lys Val Glu His Glu Ser Phe 
        195                 200                 205             


Glu Lys Pro Gln Leu Leu Thr Val Asn Leu Thr Val Tyr Tyr Pro Pro 
    210                 215                 220                 


Glu Val Ser Ile Ser Gly Tyr Asp Asn Asn Trp Tyr Leu Gly Gln Asn 
225                 230                 235                 240 


Glu Ala Thr Leu Thr Cys Asp Ala Arg Ser Asn Pro Glu Pro Thr Gly 
                245                 250                 255     


Tyr Asn Trp Ser Thr Thr Met Gly Pro Leu Pro Pro Phe Ala Val Ala 
            260                 265                 270         


Gln Gly Ala Gln Leu Leu Ile Arg Pro Val Asp Lys Pro Ile Asn Thr 
        275                 280                 285             


Thr Leu Ile Cys Asn Val Thr Asn Ala Leu Gly Ala Arg Gln Ala Glu 
    290                 295                 300                 


Leu Thr Val Gln Val Lys Glu Gly Pro Pro Ser Glu His Ser Gly Ile 
305                 310                 315                 320 


Ser Arg Asn Ala Ile Ile Phe Leu Val Leu Gly Ile Leu Val Phe Leu 
                325                 330                 335     


Ile Leu Leu Gly Ile Gly Ile Tyr Phe Tyr Trp Ser Lys Cys Ser Arg 
            340                 345                 350         


Glu Val Leu Trp His Cys His Leu Cys Pro Ser Ser Thr Glu His Ala 
        355                 360                 365             


Ser Ala Ser Ala Asn Gly His Val Ser Tyr Ser Ala Val Ser Arg Glu 
    370                 375                 380                 


Asn Ser Ser Ser Gln Asp Pro Gln Thr Glu Gly Thr Arg 
385                 390                 395         


<210>  273
<211>  507
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature PVRL2(CD112)

<400>  273

Gln Asp Val Arg Val Gln Val Leu Pro Glu Val Arg Gly Gln Leu Gly 
1               5                   10                  15      


Gly Thr Val Glu Leu Pro Cys His Leu Leu Pro Pro Val Pro Gly Leu 
            20                  25                  30          


Tyr Ile Ser Leu Val Thr Trp Gln Arg Pro Asp Ala Pro Ala Asn His 
        35                  40                  45              


Gln Asn Val Ala Ala Phe His Pro Lys Met Gly Pro Ser Phe Pro Ser 
    50                  55                  60                  


Pro Lys Pro Gly Ser Glu Arg Leu Ser Phe Val Ser Ala Lys Gln Ser 
65                  70                  75                  80  


Thr Gly Gln Asp Thr Glu Ala Glu Leu Gln Asp Ala Thr Leu Ala Leu 
                85                  90                  95      


His Gly Leu Thr Val Glu Asp Glu Gly Asn Tyr Thr Cys Glu Phe Ala 
            100                 105                 110         


Thr Phe Pro Lys Gly Ser Val Arg Gly Met Thr Trp Leu Arg Val Ile 
        115                 120                 125             


Ala Lys Pro Lys Asn Gln Ala Glu Ala Gln Lys Val Thr Phe Ser Gln 
    130                 135                 140                 


Asp Pro Thr Thr Val Ala Leu Cys Ile Ser Lys Glu Gly Arg Pro Pro 
145                 150                 155                 160 


Ala Arg Ile Ser Trp Leu Ser Ser Leu Asp Trp Glu Ala Lys Glu Thr 
                165                 170                 175     


Gln Val Ser Gly Thr Leu Ala Gly Thr Val Thr Val Thr Ser Arg Phe 
            180                 185                 190         


Thr Leu Val Pro Ser Gly Arg Ala Asp Gly Val Thr Val Thr Cys Lys 
        195                 200                 205             


Val Glu His Glu Ser Phe Glu Glu Pro Ala Leu Ile Pro Val Thr Leu 
    210                 215                 220                 


Ser Val Arg Tyr Pro Pro Glu Val Ser Ile Ser Gly Tyr Asp Asp Asn 
225                 230                 235                 240 


Trp Tyr Leu Gly Arg Thr Asp Ala Thr Leu Ser Cys Asp Val Arg Ser 
                245                 250                 255     


Asn Pro Glu Pro Thr Gly Tyr Asp Trp Ser Thr Thr Ser Gly Thr Phe 
            260                 265                 270         


Pro Thr Ser Ala Val Ala Gln Gly Ser Gln Leu Val Ile His Ala Val 
        275                 280                 285             


Asp Ser Leu Phe Asn Thr Thr Phe Val Cys Thr Val Thr Asn Ala Val 
    290                 295                 300                 


Gly Met Gly Arg Ala Glu Gln Val Ile Phe Val Arg Glu Thr Pro Asn 
305                 310                 315                 320 


Thr Ala Gly Ala Gly Ala Thr Gly Gly Ile Ile Gly Gly Ile Ile Ala 
                325                 330                 335     


Ala Ile Ile Ala Thr Ala Val Ala Ala Thr Gly Ile Leu Ile Cys Arg 
            340                 345                 350         


Gln Gln Arg Lys Glu Gln Thr Leu Gln Gly Ala Glu Glu Asp Glu Asp 
        355                 360                 365             


Leu Glu Gly Pro Pro Ser Tyr Lys Pro Pro Thr Pro Lys Ala Lys Leu 
    370                 375                 380                 


Glu Ala Gln Glu Met Pro Ser Gln Leu Phe Thr Leu Gly Ala Ser Glu 
385                 390                 395                 400 


His Ser Pro Leu Lys Thr Pro Tyr Phe Asp Ala Gly Ala Ser Cys Thr 
                405                 410                 415     


Glu Gln Glu Met Pro Arg Tyr His Glu Leu Pro Thr Leu Glu Glu Arg 
            420                 425                 430         


Ser Gly Pro Leu His Pro Gly Ala Thr Ser Leu Gly Ser Pro Ile Pro 
        435                 440                 445             


Val Pro Pro Gly Pro Pro Ala Val Glu Asp Val Ser Leu Asp Leu Glu 
    450                 455                 460                 


Asp Glu Glu Gly Glu Glu Glu Glu Glu Tyr Leu Asp Lys Ile Asn Pro 
465                 470                 475                 480 


Ile Tyr Asp Ala Leu Ser Tyr Ser Ser Pro Ser Asp Ser Tyr Gln Gly 
                485                 490                 495     


Lys Gly Phe Val Met Ser Arg Ala Met Tyr Val 
            500                 505         


<210>  274
<211>  318
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature CD226

<400>  274

Glu Glu Val Leu Trp His Thr Ser Val Pro Phe Ala Glu Asn Met Ser 
1               5                   10                  15      


Leu Glu Cys Val Tyr Pro Ser Met Gly Ile Leu Thr Gln Val Glu Trp 
            20                  25                  30          


Phe Lys Ile Gly Thr Gln Gln Asp Ser Ile Ala Ile Phe Ser Pro Thr 
        35                  40                  45              


His Gly Met Val Ile Arg Lys Pro Tyr Ala Glu Arg Val Tyr Phe Leu 
    50                  55                  60                  


Asn Ser Thr Met Ala Ser Asn Asn Met Thr Leu Phe Phe Arg Asn Ala 
65                  70                  75                  80  


Ser Glu Asp Asp Val Gly Tyr Tyr Ser Cys Ser Leu Tyr Thr Tyr Pro 
                85                  90                  95      


Gln Gly Thr Trp Gln Lys Val Ile Gln Val Val Gln Ser Asp Ser Phe 
            100                 105                 110         


Glu Ala Ala Val Pro Ser Asn Ser His Ile Val Ser Glu Pro Gly Lys 
        115                 120                 125             


Asn Val Thr Leu Thr Cys Gln Pro Gln Met Thr Trp Pro Val Gln Ala 
    130                 135                 140                 


Val Arg Trp Glu Lys Ile Gln Pro Arg Gln Ile Asp Leu Leu Thr Tyr 
145                 150                 155                 160 


Cys Asn Leu Val His Gly Arg Asn Phe Thr Ser Lys Phe Pro Arg Gln 
                165                 170                 175     


Ile Val Ser Asn Cys Ser His Gly Arg Trp Ser Val Ile Val Ile Pro 
            180                 185                 190         


Asp Val Thr Val Ser Asp Ser Gly Leu Tyr Arg Cys Tyr Leu Gln Ala 
        195                 200                 205             


Ser Ala Gly Glu Asn Glu Thr Phe Val Met Arg Leu Thr Val Ala Glu 
    210                 215                 220                 


Gly Lys Thr Asp Asn Gln Tyr Thr Leu Phe Val Ala Gly Gly Thr Val 
225                 230                 235                 240 


Leu Leu Leu Leu Phe Val Ile Ser Ile Thr Thr Ile Ile Val Ile Phe 
                245                 250                 255     


Leu Asn Arg Arg Arg Arg Arg Glu Arg Arg Asp Leu Phe Thr Glu Ser 
            260                 265                 270         


Trp Asp Thr Gln Lys Ala Pro Asn Asn Tyr Arg Ser Pro Ile Ser Thr 
        275                 280                 285             


Ser Gln Pro Thr Asn Gln Ser Met Asp Asp Thr Arg Glu Asp Ile Tyr 
    290                 295                 300                 


Val Asn Tyr Pro Thr Phe Ser Arg Arg Pro Lys Thr Arg Val 
305                 310                 315             


<210>  275
<211>  327
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature CD2

<400>  275

Lys Glu Ile Thr Asn Ala Leu Glu Thr Trp Gly Ala Leu Gly Gln Asp 
1               5                   10                  15      


Ile Asn Leu Asp Ile Pro Ser Phe Gln Met Ser Asp Asp Ile Asp Asp 
            20                  25                  30          


Ile Lys Trp Glu Lys Thr Ser Asp Lys Lys Lys Ile Ala Gln Phe Arg 
        35                  40                  45              


Lys Glu Lys Glu Thr Phe Lys Glu Lys Asp Thr Tyr Lys Leu Phe Lys 
    50                  55                  60                  


Asn Gly Thr Leu Lys Ile Lys His Leu Lys Thr Asp Asp Gln Asp Ile 
65                  70                  75                  80  


Tyr Lys Val Ser Ile Tyr Asp Thr Lys Gly Lys Asn Val Leu Glu Lys 
                85                  90                  95      


Ile Phe Asp Leu Lys Ile Gln Glu Arg Val Ser Lys Pro Lys Ile Ser 
            100                 105                 110         


Trp Thr Cys Ile Asn Thr Thr Leu Thr Cys Glu Val Met Asn Gly Thr 
        115                 120                 125             


Asp Pro Glu Leu Asn Leu Tyr Gln Asp Gly Lys His Leu Lys Leu Ser 
    130                 135                 140                 


Gln Arg Val Ile Thr His Lys Trp Thr Thr Ser Leu Ser Ala Lys Phe 
145                 150                 155                 160 


Lys Cys Thr Ala Gly Asn Lys Val Ser Lys Glu Ser Ser Val Glu Pro 
                165                 170                 175     


Val Ser Cys Pro Glu Lys Gly Leu Asp Ile Tyr Leu Ile Ile Gly Ile 
            180                 185                 190         


Cys Gly Gly Gly Ser Leu Leu Met Val Phe Val Ala Leu Leu Val Phe 
        195                 200                 205             


Tyr Ile Thr Lys Arg Lys Lys Gln Arg Ser Arg Arg Asn Asp Glu Glu 
    210                 215                 220                 


Leu Glu Thr Arg Ala His Arg Val Ala Thr Glu Glu Arg Gly Arg Lys 
225                 230                 235                 240 


Pro His Gln Ile Pro Ala Ser Thr Pro Gln Asn Pro Ala Thr Ser Gln 
                245                 250                 255     


His Pro Pro Pro Pro Pro Gly His Arg Ser Gln Ala Pro Ser His Arg 
            260                 265                 270         


Pro Pro Pro Pro Gly His Arg Val Gln His Gln Pro Gln Lys Arg Pro 
        275                 280                 285             


Pro Ala Pro Ser Gly Thr Gln Val His Gln Gln Lys Gly Pro Pro Leu 
    290                 295                 300                 


Pro Arg Pro Arg Val Gln Pro Lys Pro Pro His Gly Ala Ala Glu Asn 
305                 310                 315                 320 


Ser Leu Ser Pro Ser Ser Asn 
                325         


<210>  276
<211>  154
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature CD160

<400>  276

Ile Asn Ile Thr Ser Ser Ala Ser Gln Glu Gly Thr Arg Leu Asn Leu 
1               5                   10                  15      


Ile Cys Thr Val Trp His Lys Lys Glu Glu Ala Glu Gly Phe Val Val 
            20                  25                  30          


Phe Leu Cys Lys Asp Arg Ser Gly Asp Cys Ser Pro Glu Thr Ser Leu 
        35                  40                  45              


Lys Gln Leu Arg Leu Lys Arg Asp Pro Gly Ile Asp Gly Val Gly Glu 
    50                  55                  60                  


Ile Ser Ser Gln Leu Met Phe Thr Ile Ser Gln Val Thr Pro Leu His 
65                  70                  75                  80  


Ser Gly Thr Tyr Gln Cys Cys Ala Arg Ser Gln Lys Ser Gly Ile Arg 
                85                  90                  95      


Leu Gln Gly His Phe Phe Ser Ile Leu Phe Thr Glu Thr Gly Asn Tyr 
            100                 105                 110         


Thr Val Thr Gly Leu Lys Gln Arg Gln His Leu Glu Phe Ser His Asn 
        115                 120                 125             


Glu Gly Thr Leu Ser Ser Gly Phe Leu Gln Glu Lys Val Trp Val Met 
    130                 135                 140                 


Leu Val Thr Ser Leu Val Ala Leu Gln Ala 
145                 150                 


<210>  277
<211>  248
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature CD200

<400>  277

Gln Val Gln Val Val Thr Gln Asp Glu Arg Glu Gln Leu Tyr Thr Pro 
1               5                   10                  15      


Ala Ser Leu Lys Cys Ser Leu Gln Asn Ala Gln Glu Ala Leu Ile Val 
            20                  25                  30          


Thr Trp Gln Lys Lys Lys Ala Val Ser Pro Glu Asn Met Val Thr Phe 
        35                  40                  45              


Ser Glu Asn His Gly Val Val Ile Gln Pro Ala Tyr Lys Asp Lys Ile 
    50                  55                  60                  


Asn Ile Thr Gln Leu Gly Leu Gln Asn Ser Thr Ile Thr Phe Trp Asn 
65                  70                  75                  80  


Ile Thr Leu Glu Asp Glu Gly Cys Tyr Met Cys Leu Phe Asn Thr Phe 
                85                  90                  95      


Gly Phe Gly Lys Ile Ser Gly Thr Ala Cys Leu Thr Val Tyr Val Gln 
            100                 105                 110         


Pro Ile Val Ser Leu His Tyr Lys Phe Ser Glu Asp His Leu Asn Ile 
        115                 120                 125             


Thr Cys Ser Ala Thr Ala Arg Pro Ala Pro Met Val Phe Trp Lys Val 
    130                 135                 140                 


Pro Arg Ser Gly Ile Glu Asn Ser Thr Val Thr Leu Ser His Pro Asn 
145                 150                 155                 160 


Gly Thr Thr Ser Val Thr Ser Ile Leu His Ile Lys Asp Pro Lys Asn 
                165                 170                 175     


Gln Val Gly Lys Glu Val Ile Cys Gln Val Leu His Leu Gly Thr Val 
            180                 185                 190         


Thr Asp Phe Lys Gln Thr Val Asn Lys Gly Tyr Trp Phe Ser Val Pro 
        195                 200                 205             


Leu Leu Leu Ser Ile Val Ser Leu Val Ile Leu Leu Val Leu Ile Ser 
    210                 215                 220                 


Ile Leu Leu Tyr Trp Lys Arg His Arg Asn Gln Asp Arg Gly Glu Leu 
225                 230                 235                 240 


Ser Gln Gly Val Gln Lys Met Thr 
                245             


<210>  278
<211>  297
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature CD200R1(CD200R)

<400>  278

Met Asp Glu Lys Gln Ile Thr Gln Asn Tyr Ser Lys Val Leu Ala Glu 
1               5                   10                  15      


Val Asn Thr Ser Trp Pro Val Lys Met Ala Thr Asn Ala Val Leu Cys 
            20                  25                  30          


Cys Pro Pro Ile Ala Leu Arg Asn Leu Ile Ile Ile Thr Trp Glu Ile 
        35                  40                  45              


Ile Leu Arg Gly Gln Pro Ser Cys Thr Lys Ala Tyr Arg Lys Glu Thr 
    50                  55                  60                  


Asn Glu Thr Lys Glu Thr Asn Cys Thr Asp Glu Arg Ile Thr Trp Val 
65                  70                  75                  80  


Ser Arg Pro Asp Gln Asn Ser Asp Leu Gln Ile Arg Pro Val Ala Ile 
                85                  90                  95      


Thr His Asp Gly Tyr Tyr Arg Cys Ile Met Val Thr Pro Asp Gly Asn 
            100                 105                 110         


Phe His Arg Gly Tyr His Leu Gln Val Leu Val Thr Pro Glu Val Thr 
        115                 120                 125             


Leu Phe Gln Asn Arg Asn Arg Thr Ala Val Cys Lys Ala Val Ala Gly 
    130                 135                 140                 


Lys Pro Ala Ala Gln Ile Ser Trp Ile Pro Glu Gly Asp Cys Ala Thr 
145                 150                 155                 160 


Lys Gln Glu Tyr Trp Ser Asn Gly Thr Val Thr Val Lys Ser Thr Cys 
                165                 170                 175     


His Trp Glu Val His Asn Val Ser Thr Val Thr Cys His Val Ser His 
            180                 185                 190         


Leu Thr Gly Asn Lys Ser Leu Tyr Ile Glu Leu Leu Pro Val Pro Gly 
        195                 200                 205             


Ala Lys Lys Ser Ala Lys Leu Tyr Ile Pro Tyr Ile Ile Leu Thr Ile 
    210                 215                 220                 


Ile Ile Leu Thr Ile Val Gly Phe Ile Trp Leu Leu Lys Val Asn Gly 
225                 230                 235                 240 


Cys Arg Lys Tyr Lys Leu Asn Lys Thr Glu Ser Thr Pro Val Val Glu 
                245                 250                 255     


Glu Asp Glu Met Gln Pro Tyr Ala Ser Tyr Thr Glu Lys Asn Asn Pro 
            260                 265                 270         


Leu Tyr Asp Thr Thr Asn Lys Val Lys Ala Ser Glu Ala Leu Gln Ser 
        275                 280                 285             


Glu Val Asp Thr Asp Leu His Thr Leu 
    290                 295         


<210>  279
<211>  183
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature NC R3 (NKp30)

<400>  279

Leu Trp Val Ser Gln Pro Pro Glu Ile Arg Thr Leu Glu Gly Ser Ser 
1               5                   10                  15      


Ala Phe Leu Pro Cys Ser Phe Asn Ala Ser Gln Gly Arg Leu Ala Ile 
            20                  25                  30          


Gly Ser Val Thr Trp Phe Arg Asp Glu Val Val Pro Gly Lys Glu Val 
        35                  40                  45              


Arg Asn Gly Thr Pro Glu Phe Arg Gly Arg Leu Ala Pro Leu Ala Ser 
    50                  55                  60                  


Ser Arg Phe Leu His Asp His Gln Ala Glu Leu His Ile Arg Asp Val 
65                  70                  75                  80  


Arg Gly His Asp Ala Ser Ile Tyr Val Cys Arg Val Glu Val Leu Gly 
                85                  90                  95      


Leu Gly Val Gly Thr Gly Asn Gly Thr Arg Leu Val Val Glu Lys Glu 
            100                 105                 110         


His Pro Gln Leu Gly Ala Gly Thr Val Leu Leu Leu Arg Ala Gly Phe 
        115                 120                 125             


Tyr Ala Val Ser Phe Leu Ser Val Ala Val Gly Ser Thr Val Tyr Tyr 
    130                 135                 140                 


Gln Gly Lys Cys Leu Thr Trp Lys Gly Pro Arg Arg Gln Leu Pro Ala 
145                 150                 155                 160 


Val Val Pro Ala Pro Leu Pro Pro Pro Cys Gly Ser Ser Ala His Leu 
                165                 170                 175     


Leu Pro Pro Val Pro Gly Gly 
            180             


<210>  280
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v36 ECD

<400>  280

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Leu Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  281
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v37 ECD

<400>  281

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  282
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v38 ECD

<400>  282

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Gln Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  283
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v39 ECD

<400>  283

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  284
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v40 ECD

<400>  284

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Gln Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  285
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v41 ECD

<400>  285

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  286
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v42 ECD

<400>  286

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Gly Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  287
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v43 ECD

<400>  287

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Val Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Gly Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  288
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v44 ECD

<400>  288

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  289
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v45 ECD

<400>  289

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Ser Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Ser Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  290
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v46 ECD

<400>  290

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Ala Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  291
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v47 ECD

<400>  291

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  292
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v48 ECD

<400>  292

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  293
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v49 ECD

<400>  293

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Ser Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  294
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v50 ECD

<400>  294

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Ala Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  295
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v51 ECD

<400>  295

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Arg Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  296
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v52 ECD

<400>  296

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Thr Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Thr Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  297
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v53 ECD

<400>  297

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Gly Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  298
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v54 ECD

<400>  298

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr His His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Ala Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Ser Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  299
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v55 ECD

<400>  299

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Phe Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Thr Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  300
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v56 ECD

<400>  300

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Val 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Cys Trp Ile Asn Met Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  301
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v57 ECD

<400>  301

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Arg Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asn Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Phe Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Val Ile Gly Glu Gly Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  302
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v58 ECD

<400>  302

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  303
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v59 ECD

<400>  303

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Ala Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Met Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Gly 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  304
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v60 ECD

<400>  304

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Ser Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Asn Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  305
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v61 ECD

<400>  305

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe Glu Cys Ile 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Asn Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Gln Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  306
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v62 ECD

<400>  306

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Arg Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Leu His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Val Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Gly Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  307
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v63 ECD

<400>  307

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Thr Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asp Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Cys Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Leu Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  308
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v64 ECD

<400>  308

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Glu Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asp Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe Glu Cys Ile 
                85                  90                  95      


Val Phe Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asp Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Ala Gly Ser Gln Thr Gly Asn Asp Thr Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  309
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v65 ECD

<400>  309

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe Glu Cys Ile 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Met Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  310
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v66 ECD

<400>  310

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe Glu Cys Ile 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Ile Ser Val Pro Val Val Thr Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Arg Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Asn Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  311
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v67 ECD

<400>  311

Asp Thr Gln Glu Lys Glu Val Arg Ala Val Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Arg Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asp Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Arg Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Ser Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Phe Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  312
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v68 ECD

<400>  312

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Gly Arg Phe Asp Leu Asp Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Ser Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Lys Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  313
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v69 ECD

<400>  313

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asp Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Pro Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Lys Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Gly Ile Gly Glu Lys Asp Lys Ile 
    210                 215                 220                 


Ser Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  314
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v70 ECD

<400>  314

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Thr Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Ser Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  315
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v71 ECD

<400>  315

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  316
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v72 ECD

<400>  316

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Gly Arg Cys Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Lys Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Ser Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  317
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v73 ECD

<400>  317

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Ala Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Ile Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  318
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v74 ECD

<400>  318

Asp Thr Gln Glu Lys Glu Val Arg Ala Ile Val Gly Gly Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Gly Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Ala Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


Pro Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Val Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Met Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  319
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v75 ECD

<400>  319

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Cys Phe Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asn Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Ser Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  320
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v76 ECD

<400>  320

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  321
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v77 ECD

<400>  321

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asp 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  322
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v78 ECD

<400>  322

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe Glu Cys Leu 
                85                  90                  95      


Val Phe Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  323
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v79 ECD

<400>  323

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Ala Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  324
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v80 ECD

<400>  324

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asp Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Glu Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  325
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v81 ECD

<400>  325

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Ser Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Val Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Val 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  326
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v36 IgV

<400>  326

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Leu Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  327
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v37  IgV

<400>  327

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu 
            100                 105                 110     


<210>  328
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v38  IgV

<400>  328

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Gln Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu 
            100                 105                 110     


<210>  329
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v39  IgV

<400>  329

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  330
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v40  IgV

<400>  330

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Gln Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu 
            100                 105                 110     


<210>  331
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v41  IgV

<400>  331

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  332
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v43  IgV

<400>  332

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Val Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Gly Val Glu 
            100                 105                 110     


<210>  333
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v44  IgV

<400>  333

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  334
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v48 IgV

<400>  334

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  335
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v50 IgV

<400>  335

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Ala Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  336
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v51  IgV

<400>  336

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Arg Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  337
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v60  IgV

<400>  337

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Ser Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Asn Glu 
            100                 105                 110     


<210>  338
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v78  IgV

<400>  338

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe Glu Cys Leu 
                85                  90                  95      


Val Phe Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  339
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v79 IgV

<400>  339

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Ala Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  340
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v80  IgV

<400>  340

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asp Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Glu Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  341
<211>  414
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  VSIG8

<400>  341

Met Arg Val Gly Gly Ala Phe His Leu Leu Leu Val Cys Leu Ser Pro 
1               5                   10                  15      


Ala Leu Leu Ser Ala Val Arg Ile Asn Gly Asp Gly Gln Glu Val Leu 
            20                  25                  30          


Tyr Leu Ala Glu Gly Asp Asn Val Arg Leu Gly Cys Pro Tyr Val Leu 
        35                  40                  45              


Asp Pro Glu Asp Tyr Gly Pro Asn Gly Leu Asp Ile Glu Trp Met Gln 
    50                  55                  60                  


Val Asn Ser Asp Pro Ala His His Arg Glu Asn Val Phe Leu Ser Tyr 
65                  70                  75                  80  


Gln Asp Lys Arg Ile Asn His Gly Ser Leu Pro His Leu Gln Gln Arg 
                85                  90                  95      


Val Arg Phe Ala Ala Ser Asp Pro Ser Gln Tyr Asp Ala Ser Ile Asn 
            100                 105                 110         


Leu Met Asn Leu Gln Val Ser Asp Thr Ala Thr Tyr Glu Cys Arg Val 
        115                 120                 125             


Lys Lys Thr Thr Met Ala Thr Arg Lys Val Ile Val Thr Val Gln Ala 
    130                 135                 140                 


Arg Pro Ala Val Pro Met Cys Trp Thr Glu Gly His Met Thr Tyr Gly 
145                 150                 155                 160 


Asn Asp Val Val Leu Lys Cys Tyr Ala Ser Gly Gly Ser Gln Pro Leu 
                165                 170                 175     


Ser Tyr Lys Trp Ala Lys Ile Ser Gly His His Tyr Pro Tyr Arg Ala 
            180                 185                 190         


Gly Ser Tyr Thr Ser Gln His Ser Tyr His Ser Glu Leu Ser Tyr Gln 
        195                 200                 205             


Glu Ser Phe His Ser Ser Ile Asn Gln Gly Leu Asn Asn Gly Asp Leu 
    210                 215                 220                 


Val Leu Lys Asp Ile Ser Arg Ala Asp Asp Gly Leu Tyr Gln Cys Thr 
225                 230                 235                 240 


Val Ala Asn Asn Val Gly Tyr Ser Val Cys Val Val Glu Val Lys Val 
                245                 250                 255     


Ser Asp Ser Arg Arg Ile Gly Val Ile Ile Gly Ile Val Leu Gly Ser 
            260                 265                 270         


Leu Leu Ala Leu Gly Cys Leu Ala Val Gly Ile Trp Gly Leu Val Cys 
        275                 280                 285             


Cys Cys Cys Gly Gly Ser Gly Ala Gly Gly Ala Arg Gly Ala Phe Gly 
    290                 295                 300                 


Tyr Gly Asn Gly Gly Gly Val Gly Gly Gly Ala Cys Gly Asp Leu Ala 
305                 310                 315                 320 


Ser Glu Ile Arg Glu Asp Ala Val Ala Pro Gly Cys Lys Ala Ser Gly 
                325                 330                 335     


Arg Gly Ser Arg Val Thr His Leu Leu Gly Tyr Pro Thr Gln Asn Val 
            340                 345                 350         


Ser Arg Ser Leu Arg Arg Lys Tyr Ala Pro Pro Pro Cys Gly Gly Pro 
        355                 360                 365             


Glu Asp Val Ala Leu Ala Pro Cys Thr Ala Ala Ala Ala Cys Glu Ala 
    370                 375                 380                 


Gly Pro Ser Pro Val Tyr Val Lys Val Lys Ser Ala Glu Pro Ala Asp 
385                 390                 395                 400 


Cys Ala Glu Gly Pro Val Gln Cys Lys Asn Gly Leu Leu Val 
                405                 410                 


<210>  342
<211>  393
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  Mature VSIG8

<400>  342

Val Arg Ile Asn Gly Asp Gly Gln Glu Val Leu Tyr Leu Ala Glu Gly 
1               5                   10                  15      


Asp Asn Val Arg Leu Gly Cys Pro Tyr Val Leu Asp Pro Glu Asp Tyr 
            20                  25                  30          


Gly Pro Asn Gly Leu Asp Ile Glu Trp Met Gln Val Asn Ser Asp Pro 
        35                  40                  45              


Ala His His Arg Glu Asn Val Phe Leu Ser Tyr Gln Asp Lys Arg Ile 
    50                  55                  60                  


Asn His Gly Ser Leu Pro His Leu Gln Gln Arg Val Arg Phe Ala Ala 
65                  70                  75                  80  


Ser Asp Pro Ser Gln Tyr Asp Ala Ser Ile Asn Leu Met Asn Leu Gln 
                85                  90                  95      


Val Ser Asp Thr Ala Thr Tyr Glu Cys Arg Val Lys Lys Thr Thr Met 
            100                 105                 110         


Ala Thr Arg Lys Val Ile Val Thr Val Gln Ala Arg Pro Ala Val Pro 
        115                 120                 125             


Met Cys Trp Thr Glu Gly His Met Thr Tyr Gly Asn Asp Val Val Leu 
    130                 135                 140                 


Lys Cys Tyr Ala Ser Gly Gly Ser Gln Pro Leu Ser Tyr Lys Trp Ala 
145                 150                 155                 160 


Lys Ile Ser Gly His His Tyr Pro Tyr Arg Ala Gly Ser Tyr Thr Ser 
                165                 170                 175     


Gln His Ser Tyr His Ser Glu Leu Ser Tyr Gln Glu Ser Phe His Ser 
            180                 185                 190         


Ser Ile Asn Gln Gly Leu Asn Asn Gly Asp Leu Val Leu Lys Asp Ile 
        195                 200                 205             


Ser Arg Ala Asp Asp Gly Leu Tyr Gln Cys Thr Val Ala Asn Asn Val 
    210                 215                 220                 


Gly Tyr Ser Val Cys Val Val Glu Val Lys Val Ser Asp Ser Arg Arg 
225                 230                 235                 240 


Ile Gly Val Ile Ile Gly Ile Val Leu Gly Ser Leu Leu Ala Leu Gly 
                245                 250                 255     


Cys Leu Ala Val Gly Ile Trp Gly Leu Val Cys Cys Cys Cys Gly Gly 
            260                 265                 270         


Ser Gly Ala Gly Gly Ala Arg Gly Ala Phe Gly Tyr Gly Asn Gly Gly 
        275                 280                 285             


Gly Val Gly Gly Gly Ala Cys Gly Asp Leu Ala Ser Glu Ile Arg Glu 
    290                 295                 300                 


Asp Ala Val Ala Pro Gly Cys Lys Ala Ser Gly Arg Gly Ser Arg Val 
305                 310                 315                 320 


Thr His Leu Leu Gly Tyr Pro Thr Gln Asn Val Ser Arg Ser Leu Arg 
                325                 330                 335     


Arg Lys Tyr Ala Pro Pro Pro Cys Gly Gly Pro Glu Asp Val Ala Leu 
            340                 345                 350         


Ala Pro Cys Thr Ala Ala Ala Ala Cys Glu Ala Gly Pro Ser Pro Val 
        355                 360                 365             


Tyr Val Lys Val Lys Ser Ala Glu Pro Ala Asp Cys Ala Glu Gly Pro 
    370                 375                 380                 


Val Gln Cys Lys Asn Gly Leu Leu Val 
385                 390             


<210>  343
<211>  242
<212>  PRT
<213>  Homo sapiens


<220>
<221>  MISC_FEATURE
<223>  VSIG8 ECD

<400>  343

Val Arg Ile Asn Gly Asp Gly Gln Glu Val Leu Tyr Leu Ala Glu Gly 
1               5                   10                  15      


Asp Asn Val Arg Leu Gly Cys Pro Tyr Val Leu Asp Pro Glu Asp Tyr 
            20                  25                  30          


Gly Pro Asn Gly Leu Asp Ile Glu Trp Met Gln Val Asn Ser Asp Pro 
        35                  40                  45              


Ala His His Arg Glu Asn Val Phe Leu Ser Tyr Gln Asp Lys Arg Ile 
    50                  55                  60                  


Asn His Gly Ser Leu Pro His Leu Gln Gln Arg Val Arg Phe Ala Ala 
65                  70                  75                  80  


Ser Asp Pro Ser Gln Tyr Asp Ala Ser Ile Asn Leu Met Asn Leu Gln 
                85                  90                  95      


Val Ser Asp Thr Ala Thr Tyr Glu Cys Arg Val Lys Lys Thr Thr Met 
            100                 105                 110         


Ala Thr Arg Lys Val Ile Val Thr Val Gln Ala Arg Pro Ala Val Pro 
        115                 120                 125             


Met Cys Trp Thr Glu Gly His Met Thr Tyr Gly Asn Asp Val Val Leu 
    130                 135                 140                 


Lys Cys Tyr Ala Ser Gly Gly Ser Gln Pro Leu Ser Tyr Lys Trp Ala 
145                 150                 155                 160 


Lys Ile Ser Gly His His Tyr Pro Tyr Arg Ala Gly Ser Tyr Thr Ser 
                165                 170                 175     


Gln His Ser Tyr His Ser Glu Leu Ser Tyr Gln Glu Ser Phe His Ser 
            180                 185                 190         


Ser Ile Asn Gln Gly Leu Asn Asn Gly Asp Leu Val Leu Lys Asp Ile 
        195                 200                 205             


Ser Arg Ala Asp Asp Gly Leu Tyr Gln Cys Thr Val Ala Asn Asn Val 
    210                 215                 220                 


Gly Tyr Ser Val Cys Val Val Glu Val Lys Val Ser Asp Ser Arg Arg 
225                 230                 235                 240 


Ile Gly 
        


<210>  344
<211>  16
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD33 Signal Peptide

<400>  344

Met Pro Leu Leu Leu Leu Leu Pro Leu Leu Trp Ala Gly Ala Leu Ala 
1               5                   10                  15      


<210>  345
<211>  22
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgGkappa light chain

<400>  345

Met Asp Met Arg Val Leu Ala Gln Leu Leu Gly Leu Leu Leu Leu Cys 
1               5                   10                  15      


Phe Pro Gly Ala Arg Cys 
            20          


<210>  346
<211>  18
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  HSA signal peptide

<400>  346

Met Lys Trp Val Thr Phe Ile Ser Leu Leu Phe Leu Phe Ser Ser Ala 
1               5                   10                  15      


Tyr Ser 
        


<210>  347
<211>  22
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Ig kappa light chain

<400>  347

Met Asp Met Arg Ala Pro Ala Gly Ile Phe Gly Phe Leu Leu Val Leu 
1               5                   10                  15      


Phe Pro Gly Tyr Arg Ser 
            20          


<210>  348
<211>  19
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Human azurocidin preprotein signal sequence

<400>  348

Met Thr Arg Leu Thr Val Leu Ala Leu Leu Ala Gly Leu Leu Ala Ser 
1               5                   10                  15      


Ser Arg Ala 
            


<210>  349
<211>  19
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgG heavy chain signal peptide 

<400>  349

Met Glu Leu Gly Leu Ser Trp Ile Phe Leu Leu Ala Ile Leu Lys Gly 
1               5                   10                  15      


Val Gln Cys 
            


<210>  350
<211>  19
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgG heavy chain signal peptide 

<400>  350

Met Glu Leu Gly Leu Arg Trp Val Phe Leu Val Ala Ile Leu Glu Gly 
1               5                   10                  15      


Val Gln Cys 
            


<210>  351
<211>  19
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgG heavy chain signal peptide

<400>  351

Met Lys His Leu Trp Phe Phe Leu Leu Leu Val Ala Ala Pro Arg Trp 
1               5                   10                  15      


Val Leu Ser 
            


<210>  352
<211>  19
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgG heavy chain signal peptide 

<400>  352

Met Asp Trp Thr Trp Arg Ile Leu Phe Leu Val Ala Ala Ala Thr Gly 
1               5                   10                  15      


Ala His Ser 
            


<210>  353
<211>  19
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgG heavy chain signal peptide 

<400>  353

Met Asp Trp Thr Trp Arg Phe Leu Phe Val Val Ala Ala Ala Thr Gly 
1               5                   10                  15      


Val Gln Ser 
            


<210>  354
<211>  19
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgG heavy chain signal peptide 

<400>  354

Met Glu Phe Gly Leu Ser Trp Leu Phe Leu Val Ala Ile Leu Lys Gly 
1               5                   10                  15      


Val Gln Cys 
            


<210>  355
<211>  19
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgG heavy chain signal peptide 

<400>  355

Met Glu Phe Gly Leu Ser Trp Val Phe Leu Val Ala Leu Phe Arg Gly 
1               5                   10                  15      


Val Gln Cys 
            


<210>  356
<211>  26
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgG heavy chain signal peptide 

<400>  356

Met Asp Leu Leu His Lys Asn Met Lys His Leu Trp Phe Phe Leu Leu 
1               5                   10                  15      


Leu Val Ala Ala Pro Arg Trp Val Leu Ser 
            20                  25      


<210>  357
<211>  22
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgG Kappa light chain signal sequences

<400>  357

Met Asp Met Arg Val Pro Ala Gln Leu Leu Gly Leu Leu Leu Leu Trp 
1               5                   10                  15      


Leu Ser Gly Ala Arg Cys 
            20          


<210>  358
<211>  22
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgG Kappa light chain signal sequences

<400>  358

Met Lys Tyr Leu Leu Pro Thr Ala Ala Ala Gly Leu Leu Leu Leu Ala 
1               5                   10                  15      


Ala Gln Pro Ala Met Ala 
            20          


<210>  359
<211>  17
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Gaussia luciferase

<400>  359

Met Gly Val Lys Val Leu Phe Ala Leu Ile Cys Ile Ala Val Ala Glu 
1               5                   10                  15      


Ala 
    


<210>  360
<211>  18
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Human albumin

<400>  360

Met Lys Trp Val Thr Phe Ile Ser Leu Leu Phe Leu Phe Ser Ser Ala 
1               5                   10                  15      


Tyr Ser 
        


<210>  361
<211>  18
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Human chymotrypsinogen

<400>  361

Met Ala Phe Leu Trp Leu Leu Ser Cys Trp Ala Leu Leu Gly Thr Thr 
1               5                   10                  15      


Phe Gly 
        


<210>  362
<211>  14
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Human interleukin-2

<400>  362

Met Gln Leu Leu Ser Cys Ile Ala Leu Ile Leu Ala Leu Val 
1               5                   10                  


<210>  363
<211>  15
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Human trypsinogen-2

<400>  363

Met Asn Leu Leu Leu Ile Leu Thr Phe Val Ala Ala Ala Val Ala 
1               5                   10                  15  


<210>  364
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v81 ECD

<400>  364

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Gly Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  365
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v82 ECD

<400>  365

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  366
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v83 ECD

<400>  366

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asp Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  367
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v84 ECD

<400>  367

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Arg Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  368
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v85 ECD

<400>  368

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Pro Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  369
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v86 ECD

<400>  369

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Pro Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asp Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  370
<211>  237
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v87 ECD

<400>  370

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Val Thr 
            100                 105                 110         


Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro His 
        115                 120                 125             


Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn Gly 
    130                 135                 140                 


Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser Leu 
145                 150                 155                 160 


Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg Gly 
                165                 170                 175     


Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser Val 
            180                 185                 190         


Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu Thr 
        195                 200                 205             


Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile Thr 
    210                 215                 220                 


Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235         


<210>  371
<211>  237
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v88 ECD

<400>  371

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His Ile 
        35                  40                  45              


Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn Arg 
    50                  55                  60                  


Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu Arg 
65                  70                  75                  80  


Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu Val 
                85                  90                  95      


Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val Thr 
            100                 105                 110         


Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro His 
        115                 120                 125             


Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn Gly 
    130                 135                 140                 


Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser Leu 
145                 150                 155                 160 


Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg Gly 
                165                 170                 175     


Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser Val 
            180                 185                 190         


Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu Thr 
        195                 200                 205             


Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile Thr 
    210                 215                 220                 


Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235         


<210>  372
<211>  237
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v89 ECD

<400>  372

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Thr Ser Ile Asn Gly 
    130                 135                 140                 


Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser Leu 
145                 150                 155                 160 


Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg Gly 
                165                 170                 175     


Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser Val 
            180                 185                 190         


Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu Thr 
        195                 200                 205             


Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile Ala 
    210                 215                 220                 


Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235         


<210>  373
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v90 ECD

<400>  373

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Leu Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  374
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v91  ECD

<400>  374

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Gln Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  375
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v92 ECD

<400>  375

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Gln Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Gly 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  376
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v93 ECD

<400>  376

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Gly Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  377
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v94 ECD

<400>  377

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Ser Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Lys Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  378
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v96 ECD

<400>  378

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Thr Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Thr Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Ala Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  379
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v96 ECD

<400>  379

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Ala Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Gln Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Gly Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  380
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v97 ECD

<400>  380

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Phe Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Thr Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  381
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v98 ECD

<400>  381

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Ile Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Phe Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Gly Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  382
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v85  IgV

<400>  382

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Pro Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  383
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v86  IgV

<400>  383

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Pro Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asp Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  384
<211>  110
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v87  IgV

<400>  384

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val 
            100                 105                 110 


<210>  385
<211>  110
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v88  IgV

<400>  385

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His Ile 
        35                  40                  45              


Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn Arg 
    50                  55                  60                  


Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu Arg 
65                  70                  75                  80  


Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu Val 
                85                  90                  95      


Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110 


<210>  386
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v91  IgV

<400>  386

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Gln Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu 
            100                 105                 110     


<210>  387
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v99 ECD

<400>  387

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  388
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v100 ECD

<400>  388

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  389
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v101 ECD

<400>  389

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Gln Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  390
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v102 ECD

<400>  390

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  391
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v103 ECD


<220>
<221>  VARIANT
<222>  (207)..(207)
<223>  X = N or Q

<400>  391

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Gln Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Xaa Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  392
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v104 ECD


<220>
<221>  VARIANT
<222>  (168)..(168)
<223>  X = N or Q

<220>
<221>  VARIANT
<222>  (207)..(207)
<223>  X = N or Q

<400>  392

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Xaa Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Xaa Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  393
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v105 ECD

<400>  393

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Gln Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Gln Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  394
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v106 ECD

<400>  394

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  395
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v107 ECD

<400>  395

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Gln Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  396
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v108 ECD

<400>  396

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Gln Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  397
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v109 ECD

<400>  397

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  398
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v110 ECD


<220>
<221>  VARIANT
<222>  (155)..(155)
<223>  X = N or Q

<400>  398

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Xaa Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  399
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v111 ECD

<400>  399

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Gln Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  400
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v112 ECD

<400>  400

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Gln Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  401
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v113 ECD

<400>  401

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  402
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Sequence

<400>  402

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Gln Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Gln Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  403
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v115 ECD

<400>  403

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Gln Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  404
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v116 ECD

<400>  404

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Gln Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Gln Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  405
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v117 ECD

<400>  405

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Gln Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  406
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v118 ECD

<400>  406

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile His Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  407
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v119 ECD

<400>  407

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Gln Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Gln Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  408
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v120 ECD

<400>  408

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Gln Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Gln Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  409
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v121 ECD

<400>  409

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Gln Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  410
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v122 ECD

<400>  410

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  411
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v123 ECD

<400>  411

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile His Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  412
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v124 ECD

<400>  412

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Gln Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  413
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v125 ECD

<400>  413

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Gln Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Gln Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  414
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v126 ECD

<400>  414

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  415
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v127 ECD


<220>
<221>  VARIANT
<222>  (168)..(168)
<223>  X = N or Q

<220>
<221>  VARIANT
<222>  (207)..(207)
<223>  X = N or Q

<400>  415

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Xaa Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Xaa Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  416
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v128 ECD


<220>
<221>  VARIANT
<222>  (155)..(155)
<223>  X = N or Q

<220>
<221>  VARIANT
<222>  (168)..(168)
<223>  X = N or Q

<400>  416

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Gln Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Xaa Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Xaa Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  417
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v129 ECD

<400>  417

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Gln Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Gln Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  418
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v131 ECD

<400>  418

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Gln Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Gln Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  419
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v131 ECD

<400>  419

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Gln Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Gln Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  420
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v132 ECD

<400>  420

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Gln Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  421
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v133 ECD

<400>  421

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Gln Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  422
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v134 ECD

<400>  422

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Gln Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Gln Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  423
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v135 ECD

<400>  423

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Gln Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Gln Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  424
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v136 ECD

<400>  424

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Gln Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Gln Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Gln Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Gln Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  425
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v99 IgV

<400>  425

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  426
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v111 IgV

<400>  426

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Gln Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Gln Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  427
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v137 ECD

<400>  427

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  428
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v138 ECD

<400>  428

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Leu Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Pro Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  429
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v139 ECD

<400>  429

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Tyr Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Leu Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Pro Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  430
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v140 ECD

<400>  430

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  431
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v141 ECD

<400>  431

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Leu Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Pro Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  432
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v142 ECD

<400>  432

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Leu Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  433
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v143 ECD

<400>  433

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Pro Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  434
<211>  111
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v137 IgV

<400>  434

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu 
            100                 105                 110     


<210>  435
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v144 ECD

<400>  435

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  436
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v145 ECD

<400>  436

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  437
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v146 ECD

<400>  437

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  438
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v147 ECD

<400>  438

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Val Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  439
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v148 ECD

<400>  439

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Arg Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  440
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v149 ECD

<400>  440

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Ala Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  441
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v150 ECD

<400>  441

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asp Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  442
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v151 ECD

<400>  442

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  443
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v152 ECD

<400>  443

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  444
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v153 ECD

<400>  444

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  445
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v154 ECD

<400>  445

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  446
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v155 ECD

<400>  446

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Val 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  447
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v156 ECD

<400>  447

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  448
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v157 ECD

<400>  448

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  449
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v158 ECD

<400>  449

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Thr Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  450
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v159 ECD

<400>  450

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  451
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v160 ECD

<400>  451

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Tyr Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  452
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v161 ECD

<400>  452

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Val 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  453
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v162 ECD

<400>  453

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Val 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Cys Trp Ile Asn Met Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  454
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v163 ECD

<400>  454

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asp Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Glu Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  455
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v164 ECD

<400>  455

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asp Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Glu Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  456
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v165 ECD

<400>  456

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asp Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Glu Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Ile Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  457
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v166 ECD

<400>  457

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asp Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Glu Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  458
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v167 ECD

<400>  458

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asp Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Glu Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asp Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  459
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v168 ECD

<400>  459

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Ser Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Val Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  460
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v169 ECD

<400>  460

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Ser Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  461
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v170 ECD

<400>  461

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  462
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v171 ECD

<400>  462

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  463
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v172 ECD

<400>  463

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  464
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v173 ECD

<400>  464

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  465
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v174 ECD

<400>  465

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  466
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v175 ECD

<400>  466

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  467
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v176 ECD

<400>  467

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  468
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v177 ECD


<220>
<221>  VARIANT
<222>  (115)..(115)
<223>  X is H or Q

<400>  468

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Xaa Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  469
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v178 ECD

<400>  469

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  470
<211>  238
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  ICOSL v179 ECD

<400>  470

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Ser Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
225                 230                 235             


<210>  471
<211>  18
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 WT linker 1 (including first 3 aa)

<400>  471

Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser Ile Ser Asp Phe Glu 
1               5                   10                  15      


Ile Pro 
        


<210>  472
<211>  232
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Knob Fc

<400>  472

Glu Pro Lys Ser Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
1               5                   10                  15      


Pro Glu Ala Glu Gly Ala Pro Ser Val Phe Leu Phe Pro Pro Lys Pro 
            20                  25                  30          


Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val 
        35                  40                  45              


Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
    50                  55                  60                  


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln 
65                  70                  75                  80  


Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln 
                85                  90                  95      


Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala 
            100                 105                 110         


Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro 
        115                 120                 125             


Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Cys Arg Glu Glu Met Thr 
    130                 135                 140                 


Lys Asn Gln Val Ser Leu Trp Cys Leu Val Lys Gly Phe Tyr Pro Ser 
145                 150                 155                 160 


Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr 
                165                 170                 175     


Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr 
            180                 185                 190         


Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe 
        195                 200                 205             


Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys 
    210                 215                 220                 


Ser Leu Ser Leu Ser Pro Gly Lys 
225                 230         


<210>  473
<211>  232
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Hole Fc

<400>  473

Glu Pro Lys Ser Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
1               5                   10                  15      


Pro Glu Ala Glu Gly Ala Pro Ser Val Phe Leu Phe Pro Pro Lys Pro 
            20                  25                  30          


Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val 
        35                  40                  45              


Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
    50                  55                  60                  


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln 
65                  70                  75                  80  


Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln 
                85                  90                  95      


Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala 
            100                 105                 110         


Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro 
        115                 120                 125             


Arg Glu Pro Gln Val Cys Thr Leu Pro Pro Ser Arg Glu Glu Met Thr 
    130                 135                 140                 


Lys Asn Gln Val Ser Leu Ser Cys Ala Val Lys Gly Phe Tyr Pro Ser 
145                 150                 155                 160 


Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr 
                165                 170                 175     


Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Val 
            180                 185                 190         


Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe 
        195                 200                 205             


Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys 
    210                 215                 220                 


Ser Leu Ser Leu Ser Pro Gly Lys 
225                 230         


<210>  474
<211>  232
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Stack Fc (homodimeric)

<400>  474

Glu Pro Lys Ser Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
1               5                   10                  15      


Pro Glu Ala Glu Gly Ala Pro Ser Val Phe Leu Phe Pro Pro Lys Pro 
            20                  25                  30          


Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val 
        35                  40                  45              


Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
    50                  55                  60                  


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln 
65                  70                  75                  80  


Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln 
                85                  90                  95      


Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala 
            100                 105                 110         


Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro 
        115                 120                 125             


Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr 
    130                 135                 140                 


Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser 
145                 150                 155                 160 


Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr 
                165                 170                 175     


Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr 
            180                 185                 190         


Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe 
        195                 200                 205             


Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys 
    210                 215                 220                 


Ser Leu Ser Leu Ser Pro Gly Lys 
225                 230         


<210>  475
<211>  8
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Stuffer

<400>  475

His Met Ser Ser Val Ser Ala Gln 
1               5               


<210>  476
<211>  232
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Fc (C5S (C220S), R77C, (R292C),  N82G (N297G), V87C (V302C))

<400>  476

Glu Pro Lys Ser Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
1               5                   10                  15      


Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro 
            20                  25                  30          


Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val 
        35                  40                  45              


Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
    50                  55                  60                  


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Cys Glu Glu Gln 
65                  70                  75                  80  


Tyr Gly Ser Thr Tyr Arg Cys Val Ser Val Leu Thr Val Leu His Gln 
                85                  90                  95      


Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala 
            100                 105                 110         


Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro 
        115                 120                 125             


Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu Met Thr 
    130                 135                 140                 


Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser 
145                 150                 155                 160 


Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr 
                165                 170                 175     


Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr 
            180                 185                 190         


Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe 
        195                 200                 205             


Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys 
    210                 215                 220                 


Ser Leu Ser Leu Ser Pro Gly Lys 
225                 230         


<210>  477
<211>  232
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Fc with C220S/L234A/L235E/G237A

<400>  477

Glu Pro Lys Ser Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
1               5                   10                  15      


Pro Glu Ala Glu Gly Ala Pro Ser Val Phe Leu Phe Pro Pro Lys Pro 
            20                  25                  30          


Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val 
        35                  40                  45              


Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
    50                  55                  60                  


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln 
65                  70                  75                  80  


Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln 
                85                  90                  95      


Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala 
            100                 105                 110         


Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro 
        115                 120                 125             


Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu Met Thr 
    130                 135                 140                 


Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser 
145                 150                 155                 160 


Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr 
                165                 170                 175     


Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr 
            180                 185                 190         


Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe 
        195                 200                 205             


Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys 
    210                 215                 220                 


Ser Leu Ser Leu Ser Pro Gly Lys 
225                 230         


<210>  478
<211>  231
<212>  PRT
<213>  artificial Sequence

<220>
<223>  Fc with C220S/E233P/L234V/L235A/G236del/S267K

<400>  478

Glu Pro Lys Ser Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
1               5                   10                  15      


Pro Pro Val Ala Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys 
            20                  25                  30          


Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val 
        35                  40                  45              


Asp Val Lys His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp 
    50                  55                  60                  


Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr 
65                  70                  75                  80  


Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp 
                85                  90                  95      


Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu 
            100                 105                 110         


Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg 
        115                 120                 125             


Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu Met Thr Lys 
    130                 135                 140                 


Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp 
145                 150                 155                 160 


Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys 
                165                 170                 175     


Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser 
            180                 185                 190         


Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser 
        195                 200                 205             


Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser 
    210                 215                 220                 


Leu Ser Leu Ser Pro Gly Lys 
225                 230     


<210>  479
<211>  431
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  antiCD19x28z chimeric antigen receptor: protein

<400>  479

Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Lys Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr His Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Gln 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asn Thr Leu Pro Tyr 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Thr Gly Ser Thr Ser Gly 
            100                 105                 110         


Ser Gly Lys Pro Gly Ser Gly Glu Gly Ser Thr Lys Gly Glu Val Lys 
        115                 120                 125             


Leu Gln Glu Ser Gly Pro Gly Leu Val Ala Pro Ser Gln Ser Leu Ser 
    130                 135                 140                 


Val Thr Cys Thr Val Ser Gly Val Ser Leu Pro Asp Tyr Gly Val Ser 
145                 150                 155                 160 


Trp Ile Arg Gln Pro Pro Arg Lys Gly Leu Glu Trp Leu Gly Val Ile 
                165                 170                 175     


Trp Gly Ser Glu Thr Thr Tyr Tyr Asn Ser Ala Leu Lys Ser Arg Leu 
            180                 185                 190         


Thr Ile Ile Lys Asp Asn Ser Lys Ser Gln Val Phe Leu Lys Met Asn 
        195                 200                 205             


Ser Leu Gln Thr Asp Asp Thr Ala Ile Tyr Tyr Cys Ala Lys His Tyr 
    210                 215                 220                 


Tyr Tyr Gly Gly Ser Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
225                 230                 235                 240 


Val Thr Val Ser Ser Ala Ala Ala Lys Pro Thr Thr Thr Pro Ala Pro 
                245                 250                 255     


Arg Pro Pro Thr Pro Ala Pro Thr Ile Ala Ser Gln Pro Leu Ser Leu 
            260                 265                 270         


Arg Pro Glu Ala Ser Arg Pro Ala Ala Gly Gly Ala Val His Thr Arg 
        275                 280                 285             


Gly Leu Asp Phe Ala Ser Asp Ile Tyr Ile Trp Ala Pro Leu Ala Gly 
    290                 295                 300                 


Thr Cys Gly Val Leu Leu Leu Ser Leu Val Ile Thr Leu Tyr Cys Arg 
305                 310                 315                 320 


Val Lys Phe Ser Arg Ser Ala Asp Ala Pro Ala Tyr Gln Gln Gly Gln 
                325                 330                 335     


Asn Gln Leu Tyr Asn Glu Leu Asn Leu Gly Arg Arg Glu Glu Tyr Asp 
            340                 345                 350         


Val Leu Asp Lys Arg Arg Gly Arg Asp Pro Glu Met Gly Gly Lys Pro 
        355                 360                 365             


Arg Arg Lys Asn Pro Gln Glu Gly Leu Tyr Asn Glu Leu Gln Lys Asp 
    370                 375                 380                 


Lys Met Ala Glu Ala Tyr Ser Glu Ile Gly Met Lys Gly Glu Arg Arg 
385                 390                 395                 400 


Arg Gly Lys Gly His Asp Gly Leu Tyr Gln Gly Leu Ser Thr Ala Thr 
                405                 410                 415     


Lys Asp Thr Tyr Asp Ala Leu His Met Gln Ala Leu Pro Pro Arg 
            420                 425                 430     


<210>  480
<211>  21
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD8-derived signal sequence

<400>  480

Met Ala Leu Pro Val Thr Ala Leu Leu Leu Pro Leu Ala Leu Leu Leu 
1               5                   10                  15      


His Ala Ala Arg Pro 
            20      


<210>  481
<211>  23
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD8-derived signal sequence

<400>  481

Met Ala Leu Pro Val Thr Ala Leu Leu Leu Pro Leu Ala Leu Leu Leu 
1               5                   10                  15      


His Ala Ala Arg Pro Gly Ser 
            20              


<210>  482
<211>  245
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  anti-CD19 scFv (2nd gen CAR)

<400>  482

Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Lys Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr His Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Gln 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asn Thr Leu Pro Tyr 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Thr Gly Ser Thr Ser Gly 
            100                 105                 110         


Ser Gly Lys Pro Gly Ser Gly Glu Gly Ser Thr Lys Gly Glu Val Lys 
        115                 120                 125             


Leu Gln Glu Ser Gly Pro Gly Leu Val Ala Pro Ser Gln Ser Leu Ser 
    130                 135                 140                 


Val Thr Cys Thr Val Ser Gly Val Ser Leu Pro Asp Tyr Gly Val Ser 
145                 150                 155                 160 


Trp Ile Arg Gln Pro Pro Arg Lys Gly Leu Glu Trp Leu Gly Val Ile 
                165                 170                 175     


Trp Gly Ser Glu Thr Thr Tyr Tyr Asn Ser Ala Leu Lys Ser Arg Leu 
            180                 185                 190         


Thr Ile Ile Lys Asp Asn Ser Lys Ser Gln Val Phe Leu Lys Met Asn 
        195                 200                 205             


Ser Leu Gln Thr Asp Asp Thr Ala Ile Tyr Tyr Cys Ala Lys His Tyr 
    210                 215                 220                 


Tyr Tyr Gly Gly Ser Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
225                 230                 235                 240 


Val Thr Val Ser Ser 
                245 


<210>  483
<211>  69
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD8-derived hinge and transmembrane domain (2nd gen CAR)

<400>  483

Ala Lys Pro Thr Thr Thr Pro Ala Pro Arg Pro Pro Thr Pro Ala Pro 
1               5                   10                  15      


Thr Ile Ala Ser Gln Pro Leu Ser Leu Arg Pro Glu Ala Cys Arg Pro 
            20                  25                  30          


Ala Ala Gly Gly Ala Val His Thr Arg Gly Leu Asp Phe Ala Cys Asp 
        35                  40                  45              


Ile Tyr Ile Trp Ala Pro Leu Ala Gly Thr Cys Gly Val Leu Leu Leu 
    50                  55                  60                  


Ser Leu Val Ile Thr 
65                  


<210>  484
<211>  42
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  4-1BB-derived costimulatory domain

<400>  484

Lys Arg Gly Arg Lys Lys Leu Leu Tyr Ile Phe Lys Gln Pro Phe Met 
1               5                   10                  15      


Arg Pro Val Gln Thr Thr Gln Glu Glu Asp Gly Cys Ser Cys Arg Phe 
            20                  25                  30          


Pro Glu Glu Glu Glu Gly Gly Cys Glu Leu 
        35                  40          


<210>  485
<211>  40
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD28-derived costimulatory domain

<400>  485

Ser Lys Arg Ser Arg Leu Leu His Ser Asp Tyr Met Asn Met Thr Pro 
1               5                   10                  15      


Arg Arg Pro Gly Pro Thr Arg Lys His Tyr Gln Pro Tyr Ala Pro Pro 
            20                  25                  30          


Arg Asp Phe Ala Ala Tyr Arg Ser 
        35                  40  


<210>  486
<211>  41
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD28-derived costimulatory domain 2

<400>  486

Arg Ser Lys Arg Ser Arg Leu Leu His Ser Asp Tyr Met Asn Met Thr 
1               5                   10                  15      


Pro Arg Arg Pro Gly Pro Thr Arg Lys His Tyr Gln Pro Tyr Ala Pro 
            20                  25                  30          


Pro Arg Asp Phe Ala Ala Tyr Arg Ser 
        35                  40      


<210>  487
<211>  44
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD28-derived costimulatory domain 3

<400>  487

Phe Trp Val Arg Ser Lys Arg Ser Arg Leu Leu His Ser Asp Tyr Met 
1               5                   10                  15      


Asn Met Thr Pro Arg Arg Pro Gly Pro Thr Arg Lys His Tyr Gln Pro 
            20                  25                  30          


Tyr Ala Pro Pro Arg Asp Phe Ala Ala Tyr Arg Ser 
        35                  40                  


<210>  488
<211>  20
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  T2A protein

<400>  488

Ser Gly Glu Gly Arg Gly Ser Leu Leu Thr Cys Gly Asp Val Glu Glu 
1               5                   10                  15      


Asn Pro Gly Pro 
            20  


<210>  489
<211>  232
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Blue fluorescent protein

<400>  489

Ser Glu Leu Ile Lys Glu Asn Met His Met Lys Leu Tyr Met Glu Gly 
1               5                   10                  15      


Thr Val Asp Asn His His Phe Lys Cys Thr Ser Glu Gly Glu Gly Lys 
            20                  25                  30          


Pro Tyr Glu Gly Thr Gln Thr Met Arg Ile Lys Val Val Glu Gly Gly 
        35                  40                  45              


Pro Leu Pro Phe Ala Phe Asp Ile Leu Ala Thr Ser Phe Leu Tyr Gly 
    50                  55                  60                  


Ser Lys Thr Phe Ile Asn His Thr Gln Gly Ile Pro Asp Phe Phe Lys 
65                  70                  75                  80  


Gln Ser Phe Pro Glu Gly Phe Thr Trp Glu Arg Val Thr Thr Tyr Glu 
                85                  90                  95      


Asp Gly Gly Val Leu Thr Ala Thr Gln Asp Thr Ser Leu Gln Asp Gly 
            100                 105                 110         


Cys Leu Ile Tyr Asn Val Lys Ile Arg Gly Val Asn Phe Thr Ser Asn 
        115                 120                 125             


Gly Pro Val Met Gln Lys Lys Thr Leu Gly Trp Glu Ala Phe Thr Glu 
    130                 135                 140                 


Thr Leu Tyr Pro Ala Asp Gly Gly Leu Glu Gly Arg Asn Asp Met Ala 
145                 150                 155                 160 


Leu Lys Leu Val Gly Gly Ser His Leu Ile Ala Asn Ile Lys Thr Thr 
                165                 170                 175     


Tyr Arg Ser Lys Lys Pro Ala Lys Asn Leu Lys Met Pro Gly Val Tyr 
            180                 185                 190         


Tyr Val Asp Tyr Arg Leu Glu Arg Ile Lys Glu Ala Asn Asn Glu Thr 
        195                 200                 205             


Tyr Val Glu Gln His Glu Val Ala Val Ala Arg Tyr Cys Asp Leu Pro 
    210                 215                 220                 


Ser Lys Leu Gly His Lys Leu Asn 
225                 230         


<210>  490
<211>  472
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  2nd Gen CAR (without signal sequence or T2A or BFP)

<400>  490

Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Lys Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr His Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Gln 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asn Thr Leu Pro Tyr 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Thr Gly Ser Thr Ser Gly 
            100                 105                 110         


Ser Gly Lys Pro Gly Ser Gly Glu Gly Ser Thr Lys Gly Glu Val Lys 
        115                 120                 125             


Leu Gln Glu Ser Gly Pro Gly Leu Val Ala Pro Ser Gln Ser Leu Ser 
    130                 135                 140                 


Val Thr Cys Thr Val Ser Gly Val Ser Leu Pro Asp Tyr Gly Val Ser 
145                 150                 155                 160 


Trp Ile Arg Gln Pro Pro Arg Lys Gly Leu Glu Trp Leu Gly Val Ile 
                165                 170                 175     


Trp Gly Ser Glu Thr Thr Tyr Tyr Asn Ser Ala Leu Lys Ser Arg Leu 
            180                 185                 190         


Thr Ile Ile Lys Asp Asn Ser Lys Ser Gln Val Phe Leu Lys Met Asn 
        195                 200                 205             


Ser Leu Gln Thr Asp Asp Thr Ala Ile Tyr Tyr Cys Ala Lys His Tyr 
    210                 215                 220                 


Tyr Tyr Gly Gly Ser Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
225                 230                 235                 240 


Val Thr Val Ser Ser Ala Ser Ala Lys Pro Thr Thr Thr Pro Ala Pro 
                245                 250                 255     


Arg Pro Pro Thr Pro Ala Pro Thr Ile Ala Ser Gln Pro Leu Ser Leu 
            260                 265                 270         


Arg Pro Glu Ala Cys Arg Pro Ala Ala Gly Gly Ala Val His Thr Arg 
        275                 280                 285             


Gly Leu Asp Phe Ala Cys Asp Ile Tyr Ile Trp Ala Pro Leu Ala Gly 
    290                 295                 300                 


Thr Cys Gly Val Leu Leu Leu Ser Leu Val Ile Thr Met His Lys Arg 
305                 310                 315                 320 


Gly Arg Lys Lys Leu Leu Tyr Ile Phe Lys Gln Pro Phe Met Arg Pro 
                325                 330                 335     


Val Gln Thr Thr Gln Glu Glu Asp Gly Cys Ser Cys Arg Phe Pro Glu 
            340                 345                 350         


Glu Glu Glu Gly Gly Cys Glu Leu Arg Val Lys Phe Ser Arg Ser Ala 
        355                 360                 365             


Asp Ala Pro Ala Tyr Gln Gln Gly Gln Asn Gln Leu Tyr Asn Glu Leu 
    370                 375                 380                 


Asn Leu Gly Arg Arg Glu Glu Tyr Asp Val Leu Asp Lys Arg Arg Gly 
385                 390                 395                 400 


Arg Asp Pro Glu Met Gly Gly Lys Pro Arg Arg Lys Asn Pro Gln Glu 
                405                 410                 415     


Gly Leu Tyr Asn Glu Leu Gln Lys Asp Lys Met Ala Glu Ala Tyr Ser 
            420                 425                 430         


Glu Ile Gly Met Lys Gly Glu Arg Arg Arg Gly Lys Gly His Asp Gly 
        435                 440                 445             


Leu Tyr Gln Gly Leu Ser Thr Ala Thr Lys Asp Thr Tyr Asp Ala Leu 
    450                 455                 460                 


His Met Gln Ala Leu Pro Pro Arg 
465                 470         


<210>  491
<211>  497
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  2nd Gen CAR with T2A

<400>  491

Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Lys Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr His Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Gln 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asn Thr Leu Pro Tyr 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Thr Gly Ser Thr Ser Gly 
            100                 105                 110         


Ser Gly Lys Pro Gly Ser Gly Glu Gly Ser Thr Lys Gly Glu Val Lys 
        115                 120                 125             


Leu Gln Glu Ser Gly Pro Gly Leu Val Ala Pro Ser Gln Ser Leu Ser 
    130                 135                 140                 


Val Thr Cys Thr Val Ser Gly Val Ser Leu Pro Asp Tyr Gly Val Ser 
145                 150                 155                 160 


Trp Ile Arg Gln Pro Pro Arg Lys Gly Leu Glu Trp Leu Gly Val Ile 
                165                 170                 175     


Trp Gly Ser Glu Thr Thr Tyr Tyr Asn Ser Ala Leu Lys Ser Arg Leu 
            180                 185                 190         


Thr Ile Ile Lys Asp Asn Ser Lys Ser Gln Val Phe Leu Lys Met Asn 
        195                 200                 205             


Ser Leu Gln Thr Asp Asp Thr Ala Ile Tyr Tyr Cys Ala Lys His Tyr 
    210                 215                 220                 


Tyr Tyr Gly Gly Ser Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
225                 230                 235                 240 


Val Thr Val Ser Ser Ala Ser Ala Lys Pro Thr Thr Thr Pro Ala Pro 
                245                 250                 255     


Arg Pro Pro Thr Pro Ala Pro Thr Ile Ala Ser Gln Pro Leu Ser Leu 
            260                 265                 270         


Arg Pro Glu Ala Cys Arg Pro Ala Ala Gly Gly Ala Val His Thr Arg 
        275                 280                 285             


Gly Leu Asp Phe Ala Cys Asp Ile Tyr Ile Trp Ala Pro Leu Ala Gly 
    290                 295                 300                 


Thr Cys Gly Val Leu Leu Leu Ser Leu Val Ile Thr Met His Lys Arg 
305                 310                 315                 320 


Gly Arg Lys Lys Leu Leu Tyr Ile Phe Lys Gln Pro Phe Met Arg Pro 
                325                 330                 335     


Val Gln Thr Thr Gln Glu Glu Asp Gly Cys Ser Cys Arg Phe Pro Glu 
            340                 345                 350         


Glu Glu Glu Gly Gly Cys Glu Leu Arg Val Lys Phe Ser Arg Ser Ala 
        355                 360                 365             


Asp Ala Pro Ala Tyr Gln Gln Gly Gln Asn Gln Leu Tyr Asn Glu Leu 
    370                 375                 380                 


Asn Leu Gly Arg Arg Glu Glu Tyr Asp Val Leu Asp Lys Arg Arg Gly 
385                 390                 395                 400 


Arg Asp Pro Glu Met Gly Gly Lys Pro Arg Arg Lys Asn Pro Gln Glu 
                405                 410                 415     


Gly Leu Tyr Asn Glu Leu Gln Lys Asp Lys Met Ala Glu Ala Tyr Ser 
            420                 425                 430         


Glu Ile Gly Met Lys Gly Glu Arg Arg Arg Gly Lys Gly His Asp Gly 
        435                 440                 445             


Leu Tyr Gln Gly Leu Ser Thr Ala Thr Lys Asp Thr Tyr Asp Ala Leu 
    450                 455                 460                 


His Met Gln Ala Leu Pro Pro Arg Gly Gly Arg Ser Gly Glu Gly Arg 
465                 470                 475                 480 


Gly Ser Leu Leu Thr Cys Gly Asp Val Glu Glu Asn Pro Gly Pro Ser 
                485                 490                 495     


Arg 
    


<210>  492
<211>  471
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  2nd Gen CAR with CD28-derived costimulatory domain (without 
       signal sequence or T2A or BFP)

<400>  492

Asp Ile Gln Met Thr Gln Thr Thr Ser Ser Leu Ser Ala Ser Leu Gly 
1               5                   10                  15      


Asp Arg Val Thr Ile Ser Cys Arg Ala Ser Gln Asp Ile Ser Lys Tyr 
            20                  25                  30          


Leu Asn Trp Tyr Gln Gln Lys Pro Asp Gly Thr Val Lys Leu Leu Ile 
        35                  40                  45              


Tyr His Thr Ser Arg Leu His Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Tyr Ser Leu Thr Ile Ser Asn Leu Glu Gln 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Phe Cys Gln Gln Gly Asn Thr Leu Pro Tyr 
                85                  90                  95      


Thr Phe Gly Gly Gly Thr Lys Leu Glu Ile Thr Gly Ser Thr Ser Gly 
            100                 105                 110         


Ser Gly Lys Pro Gly Ser Gly Glu Gly Ser Thr Lys Gly Glu Val Lys 
        115                 120                 125             


Leu Gln Glu Ser Gly Pro Gly Leu Val Ala Pro Ser Gln Ser Leu Ser 
    130                 135                 140                 


Val Thr Cys Thr Val Ser Gly Val Ser Leu Pro Asp Tyr Gly Val Ser 
145                 150                 155                 160 


Trp Ile Arg Gln Pro Pro Arg Lys Gly Leu Glu Trp Leu Gly Val Ile 
                165                 170                 175     


Trp Gly Ser Glu Thr Thr Tyr Tyr Asn Ser Ala Leu Lys Ser Arg Leu 
            180                 185                 190         


Thr Ile Ile Lys Asp Asn Ser Lys Ser Gln Val Phe Leu Lys Met Asn 
        195                 200                 205             


Ser Leu Gln Thr Asp Asp Thr Ala Ile Tyr Tyr Cys Ala Lys His Tyr 
    210                 215                 220                 


Tyr Tyr Gly Gly Ser Tyr Ala Met Asp Tyr Trp Gly Gln Gly Thr Ser 
225                 230                 235                 240 


Val Thr Val Ser Ser Ala Ser Ala Lys Pro Thr Thr Thr Pro Ala Pro 
                245                 250                 255     


Arg Pro Pro Thr Pro Ala Pro Thr Ile Ala Ser Gln Pro Leu Ser Leu 
            260                 265                 270         


Arg Pro Glu Ala Cys Arg Pro Ala Ala Gly Gly Ala Val His Thr Arg 
        275                 280                 285             


Gly Leu Asp Phe Ala Cys Asp Ile Tyr Ile Trp Ala Pro Leu Ala Gly 
    290                 295                 300                 


Thr Cys Gly Val Leu Leu Leu Ser Leu Val Ile Thr Met His Arg Ser 
305                 310                 315                 320 


Lys Arg Ser Arg Leu Leu His Ser Asp Tyr Met Asn Met Thr Pro Arg 
                325                 330                 335     


Arg Pro Gly Pro Thr Arg Lys His Tyr Gln Pro Tyr Ala Pro Pro Arg 
            340                 345                 350         


Asp Phe Ala Ala Tyr Arg Ser Arg Val Lys Phe Ser Arg Ser Ala Asp 
        355                 360                 365             


Ala Pro Ala Tyr Gln Gln Gly Gln Asn Gln Leu Tyr Asn Glu Leu Asn 
    370                 375                 380                 


Leu Gly Arg Arg Glu Glu Tyr Asp Val Leu Asp Lys Arg Arg Gly Arg 
385                 390                 395                 400 


Asp Pro Glu Met Gly Gly Lys Pro Arg Arg Lys Asn Pro Gln Glu Gly 
                405                 410                 415     


Leu Tyr Asn Glu Leu Gln Lys Asp Lys Met Ala Glu Ala Tyr Ser Glu 
            420                 425                 430         


Ile Gly Met Lys Gly Glu Arg Arg Arg Gly Lys Gly His Asp Gly Leu 
        435                 440                 445             


Tyr Gln Gly Leu Ser Thr Ala Thr Lys Asp Thr Tyr Asp Ala Leu His 
    450                 455                 460                 


Met Gln Ala Leu Pro Pro Arg 
465                 470     


<210>  493
<211>  270
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Nkp30 stack

<400>  493

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Gly Gly Gly Gly Ser Gly 
        115                 120                 125             


Gly Gly Gly Ser Gly Gly Gly Gly Ser Leu Trp Val Ser Gln Pro Pro 
    130                 135                 140                 


Glu Ile Arg Thr Leu Glu Gly Ser Ser Ala Phe Leu Pro Cys Ser Phe 
145                 150                 155                 160 


Asn Ala Ser Gln Gly Arg Val Ala Ile Gly Ser Val Thr Trp Phe Arg 
                165                 170                 175     


Asp Glu Val Val Pro Gly Lys Glu Val Arg Asn Gly Thr Pro Glu Phe 
            180                 185                 190         


Arg Gly Arg Leu Val Pro Leu Ala Pro Ser Arg Phe Leu His Asp His 
        195                 200                 205             


Gln Ala Glu Leu His Ile Arg Asp Val Arg Gly His Asp Ala Gly Ile 
    210                 215                 220                 


Tyr Val Cys Arg Val Glu Val Leu Gly Leu Gly Val Gly Thr Gly Asn 
225                 230                 235                 240 


Gly Thr Arg Leu Val Val Glu Lys Glu His Pro Gln Leu Gly Gly Gly 
                245                 250                 255     


Gly Gly Ser Gly Gly Gly Gly Ser Ala Ala Ala Glu Pro Lys 
            260                 265                 270 


<210>  494
<211>  302
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  TIP v1

<400>  494

Met Arg Leu Gly Ser Pro Gly Leu Leu Phe Leu Leu Phe Ser Ser Leu 
1               5                   10                  15      


Arg Ala Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp 
            20                  25                  30          


Val Glu Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn 
        35                  40                  45              


Asp Val Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr 
    50                  55                  60                  


Tyr His Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr 
65                  70                  75                  80  


Arg Asn Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe 
                85                  90                  95      


Ser Leu Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His 
            100                 105                 110         


Cys Leu Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val 
        115                 120                 125             


Glu Val Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser 
    130                 135                 140                 


Ala Pro His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser 
145                 150                 155                 160 


Ile Asn Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp 
                165                 170                 175     


Asn Ser Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn 
            180                 185                 190         


Met Arg Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr 
        195                 200                 205             


Pro Ser Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln 
    210                 215                 220                 


Asn Leu Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp 
225                 230                 235                 240 


Lys Ile Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
                245                 250                 255     


Trp Ser Ile Leu Ala Val Leu Cys Leu Leu Val Val Val Ala Val Ala 
            260                 265                 270         


Ile Gly Trp Val Cys Arg Asp Arg Cys Leu Gln His Ser Tyr Ala Gly 
        275                 280                 285             


Ala Trp Ala Val Ser Pro Glu Thr Glu Leu Thr Gly His Val 
    290                 295                 300         


<210>  495
<211>  284
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  TIP v1 without Signal Peptide

<400>  495

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asn Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr Trp Ser 
225                 230                 235                 240 


Ile Leu Ala Val Leu Cys Leu Leu Val Val Val Ala Val Ala Ile Gly 
                245                 250                 255     


Trp Val Cys Arg Asp Arg Cys Leu Gln His Ser Tyr Ala Gly Ala Trp 
            260                 265                 270         


Ala Val Ser Pro Glu Thr Glu Leu Thr Gly His Val 
        275                 280                 


<210>  496
<211>  302
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  TIP v2

<400>  496

Met Arg Leu Gly Ser Pro Gly Leu Leu Phe Leu Leu Phe Ser Ser Leu 
1               5                   10                  15      


Arg Ala Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp 
            20                  25                  30          


Val Glu Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn 
        35                  40                  45              


Asp Val Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr 
    50                  55                  60                  


Tyr His Ile Pro Gln Asp Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr 
65                  70                  75                  80  


Arg Asn Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe 
                85                  90                  95      


Ser Leu Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His 
            100                 105                 110         


Cys Leu Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val 
        115                 120                 125             


Glu Val Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser 
    130                 135                 140                 


Ala Pro His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser 
145                 150                 155                 160 


Ile Asn Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp 
                165                 170                 175     


Asn Ser Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn 
            180                 185                 190         


Met Arg Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr 
        195                 200                 205             


Pro Ser Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln 
    210                 215                 220                 


Asn Leu Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp 
225                 230                 235                 240 


Lys Ile Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
                245                 250                 255     


Trp Ser Ile Leu Ala Val Leu Cys Leu Leu Val Val Val Ala Val Ala 
            260                 265                 270         


Ile Gly Trp Val Cys Arg Asp Arg Cys Leu Gln His Ser Tyr Ala Gly 
        275                 280                 285             


Ala Trp Ala Val Ser Pro Glu Thr Glu Leu Thr Gly His Val 
    290                 295                 300         


<210>  497
<211>  284
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  TIP v2 without Signal Peptide

<400>  497

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln Asp Ser Ser Leu Glu Asn Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Gln Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr Trp Ser 
225                 230                 235                 240 


Ile Leu Ala Val Leu Cys Leu Leu Val Val Val Ala Val Ala Ile Gly 
                245                 250                 255     


Trp Val Cys Arg Asp Arg Cys Leu Gln His Ser Tyr Ala Gly Ala Trp 
            260                 265                 270         


Ala Val Ser Pro Glu Thr Glu Leu Thr Gly His Val 
        275                 280                 


<210>  498
<211>  302
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  TIP v3

<400>  498

Met Arg Leu Gly Ser Pro Gly Leu Leu Phe Leu Leu Phe Ser Ser Leu 
1               5                   10                  15      


Arg Ala Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp 
            20                  25                  30          


Val Glu Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn 
        35                  40                  45              


Asp Val Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr 
    50                  55                  60                  


Tyr His Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr 
65                  70                  75                  80  


Arg Asn Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe 
                85                  90                  95      


Ser Leu Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His 
            100                 105                 110         


Cys Leu Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val 
        115                 120                 125             


Glu Val Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser 
    130                 135                 140                 


Ala Pro His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser 
145                 150                 155                 160 


Ile Asn Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp 
                165                 170                 175     


Asn Ser Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn 
            180                 185                 190         


Met Arg Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr 
        195                 200                 205             


Pro Ser Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln 
    210                 215                 220                 


Asn Leu Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp 
225                 230                 235                 240 


Lys Ile Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
                245                 250                 255     


Trp Ser Ile Leu Ala Val Leu Cys Leu Leu Val Val Val Ala Val Ala 
            260                 265                 270         


Ile Gly Trp Val Cys Arg Asp Arg Cys Leu Gln His Ser Tyr Ala Gly 
        275                 280                 285             


Ala Trp Ala Val Ser Pro Glu Thr Glu Leu Thr Gly His Val 
    290                 295                 300         


<210>  499
<211>  284
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  TIP v3 without Signal Peptide

<400>  499

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Pro Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr Trp Ser 
225                 230                 235                 240 


Ile Leu Ala Val Leu Cys Leu Leu Val Val Val Ala Val Ala Ile Gly 
                245                 250                 255     


Trp Val Cys Arg Asp Arg Cys Leu Gln His Ser Tyr Ala Gly Ala Trp 
            260                 265                 270         


Ala Val Ser Pro Glu Thr Glu Leu Thr Gly His Val 
        275                 280                 


<210>  500
<211>  302
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  TIP v4

<400>  500

Met Arg Leu Gly Ser Pro Gly Leu Leu Phe Leu Leu Phe Ser Ser Leu 
1               5                   10                  15      


Arg Ala Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp 
            20                  25                  30          


Val Val Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn 
        35                  40                  45              


Asp Val Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr 
    50                  55                  60                  


Tyr His Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr 
65                  70                  75                  80  


Arg Asn Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe 
                85                  90                  95      


Ser Leu Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His 
            100                 105                 110         


Cys Leu Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp 
        115                 120                 125             


Glu Val Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser 
    130                 135                 140                 


Ala Pro His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser 
145                 150                 155                 160 


Ile Asn Gly Tyr Pro Arg Pro Asn Val Cys Trp Ile Asn Met Thr Asp 
                165                 170                 175     


Asn Ser Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn 
            180                 185                 190         


Met Arg Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr 
        195                 200                 205             


Pro Ser Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln 
    210                 215                 220                 


Asn Leu Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp 
225                 230                 235                 240 


Lys Ile Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
                245                 250                 255     


Trp Ser Ile Leu Ala Val Leu Cys Leu Leu Val Val Val Ala Val Ala 
            260                 265                 270         


Ile Gly Trp Val Cys Arg Asp Arg Cys Leu Gln His Ser Tyr Ala Gly 
        275                 280                 285             


Ala Trp Ala Val Ser Pro Glu Thr Glu Leu Thr Gly His Val 
    290                 295                 300         


<210>  501
<211>  284
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  TIP v4 without Signal Peptide

<400>  501

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Val 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Asp Glu Val 
            100                 105                 110         


Thr Leu Arg Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Cys Trp Ile Asn Met Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Arg Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr Trp Ser 
225                 230                 235                 240 


Ile Leu Ala Val Leu Cys Leu Leu Val Val Val Ala Val Ala Ile Gly 
                245                 250                 255     


Trp Val Cys Arg Asp Arg Cys Leu Gln His Ser Tyr Ala Gly Ala Trp 
            260                 265                 270         


Ala Val Ser Pro Glu Thr Glu Leu Thr Gly His Val 
        275                 280                 


<210>  502
<211>  302
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  TIP v5

<400>  502

Met Arg Leu Gly Ser Pro Gly Leu Leu Phe Leu Leu Phe Ser Ser Leu 
1               5                   10                  15      


Arg Ala Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp 
            20                  25                  30          


Val Glu Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn 
        35                  40                  45              


Asp Val Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr 
    50                  55                  60                  


Tyr His Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr 
65                  70                  75                  80  


Arg Asn Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe 
                85                  90                  95      


Ser Leu Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His 
            100                 105                 110         


Cys Leu Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val 
        115                 120                 125             


Glu Val Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser 
    130                 135                 140                 


Ala Pro His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser 
145                 150                 155                 160 


Ile Asn Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp 
                165                 170                 175     


Asn Ser Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn 
            180                 185                 190         


Met Arg Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr 
        195                 200                 205             


Pro Ser Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln 
    210                 215                 220                 


Asn Leu Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp 
225                 230                 235                 240 


Lys Ile Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr 
                245                 250                 255     


Trp Ser Ile Leu Ala Val Leu Cys Leu Leu Val Val Val Ala Val Ala 
            260                 265                 270         


Ile Gly Trp Val Cys Arg Asp Arg Cys Leu Gln His Ser Tyr Ala Gly 
        275                 280                 285             


Ala Trp Ala Val Ser Pro Glu Thr Glu Leu Thr Gly His Val 
    290                 295                 300         


<210>  503
<211>  284
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  TIP v5 without Signal Peptide

<400>  503

Asp Thr Gln Glu Lys Glu Val Arg Ala Met Val Gly Ser Asp Val Glu 
1               5                   10                  15      


Leu Ser Cys Ala Cys Pro Glu Gly Ser Arg Phe Asp Leu Asn Asp Val 
            20                  25                  30          


Tyr Val Tyr Trp Gln Thr Ser Glu Ser Lys Thr Val Val Thr Tyr His 
        35                  40                  45              


Ile Pro Gln His Ser Ser Leu Glu Tyr Val Asp Ser Arg Tyr Arg Asn 
    50                  55                  60                  


Arg Ala Leu Met Ser Pro Ala Gly Met Leu Arg Gly Asp Phe Ser Leu 
65                  70                  75                  80  


Arg Leu Phe Asn Val Thr Pro Gln Asp Glu Gln Lys Phe His Cys Leu 
                85                  90                  95      


Val Leu Ser Arg Ser Leu Gly Phe Gln Glu Val Leu Ser Val Glu Val 
            100                 105                 110         


Thr Leu His Val Ala Ala Asn Phe Ser Val Pro Val Val Ser Ala Pro 
        115                 120                 125             


His Ser Pro Ser Gln Asp Glu Leu Thr Phe Thr Cys Thr Ser Ile Asn 
    130                 135                 140                 


Gly Tyr Pro Arg Pro Asn Val Tyr Trp Ile Asn Lys Thr Asp Asn Ser 
145                 150                 155                 160 


Leu Leu Asp Gln Ala Leu Gln Asn Asp Thr Val Phe Leu Asn Met Arg 
                165                 170                 175     


Gly Leu Tyr Asp Val Val Ser Val Leu Arg Ile Ala Arg Thr Pro Ser 
            180                 185                 190         


Val Asn Ile Gly Cys Cys Ile Glu Asn Val Leu Leu Gln Gln Asn Leu 
        195                 200                 205             


Thr Val Gly Ser Gln Thr Gly Asn Asp Ile Gly Glu Arg Asp Lys Ile 
    210                 215                 220                 


Thr Glu Asn Pro Val Ser Thr Gly Glu Lys Asn Ala Ala Thr Trp Ser 
225                 230                 235                 240 


Ile Leu Ala Val Leu Cys Leu Leu Val Val Val Ala Val Ala Ile Gly 
                245                 250                 255     


Trp Val Cys Arg Asp Arg Cys Leu Gln His Ser Tyr Ala Gly Ala Trp 
            260                 265                 270         


Ala Val Ser Pro Glu Thr Glu Leu Thr Gly His Val 
        275                 280                 


<210>  504
<211>  116
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  NKp30 v1 IgC-like (long)

<400>  504

Leu Trp Val Ser Gln Pro Pro Glu Ile Arg Thr Leu Glu Gly Ser Ser 
1               5                   10                  15      


Ala Phe Leu Pro Cys Ser Phe Asn Ala Ser Gln Gly Arg Val Ala Ile 
            20                  25                  30          


Gly Ser Val Thr Trp Phe Arg Asp Glu Val Val Pro Gly Lys Glu Val 
        35                  40                  45              


Arg Asn Gly Thr Pro Glu Phe Arg Gly Arg Leu Val Pro Leu Ala Pro 
    50                  55                  60                  


Ser Arg Phe Leu His Asp His Gln Ala Glu Leu His Ile Arg Asp Val 
65                  70                  75                  80  


Arg Gly His Asp Ala Gly Ile Tyr Val Cys Arg Val Glu Val Leu Gly 
                85                  90                  95      


Leu Gly Val Gly Thr Gly Asn Gly Thr Arg Leu Val Val Glu Lys Glu 
            100                 105                 110         


His Pro Gln Leu 
        115     


<210>  505
<211>  229
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgG4 Fc

<400>  505

Glu Ser Lys Tyr Gly Pro Pro Cys Pro Ser Cys Pro Ala Pro Glu Phe 
1               5                   10                  15      


Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr 
            20                  25                  30          


Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val 
        35                  40                  45              


Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp Gly Val 
    50                  55                  60                  


Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Phe Asn Ser 
65                  70                  75                  80  


Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu 
                85                  90                  95      


Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Gly Leu Pro Ser 
            100                 105                 110         


Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro 
        115                 120                 125             


Gln Val Tyr Thr Leu Pro Pro Ser Gln Glu Glu Met Thr Lys Asn Gln 
    130                 135                 140                 


Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala 
145                 150                 155                 160 


Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr 
                165                 170                 175     


Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Arg Leu 
            180                 185                 190         


Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser Cys Ser 
        195                 200                 205             


Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser 
    210                 215                 220                 


Leu Ser Leu Gly Lys 
225                 


<210>  506
<211>  229
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgG4 Fc S228P

<400>  506

Glu Ser Lys Tyr Gly Pro Pro Cys Pro Pro Cys Pro Ala Pro Glu Phe 
1               5                   10                  15      


Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr 
            20                  25                  30          


Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val 
        35                  40                  45              


Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp Gly Val 
    50                  55                  60                  


Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Phe Asn Ser 
65                  70                  75                  80  


Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu 
                85                  90                  95      


Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Gly Leu Pro Ser 
            100                 105                 110         


Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro 
        115                 120                 125             


Gln Val Tyr Thr Leu Pro Pro Ser Gln Glu Glu Met Thr Lys Asn Gln 
    130                 135                 140                 


Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala 
145                 150                 155                 160 


Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr 
                165                 170                 175     


Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Arg Leu 
            180                 185                 190         


Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser Cys Ser 
        195                 200                 205             


Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser 
    210                 215                 220                 


Leu Ser Leu Gly Lys 
225                 


<210>  507
<211>  232
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IgG1 Fc C220S

<400>  507

Glu Pro Lys Ser Ser Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala 
1               5                   10                  15      


Pro Glu Leu Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro 
            20                  25                  30          


Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val 
        35                  40                  45              


Val Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
    50                  55                  60                  


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln 
65                  70                  75                  80  


Tyr Asn Ser Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln 
                85                  90                  95      


Asp Trp Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala 
            100                 105                 110         


Leu Pro Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro 
        115                 120                 125             


Arg Glu Pro Gln Val Tyr Thr Leu Pro Pro Ser Arg Glu Glu Met Thr 
    130                 135                 140                 


Lys Asn Gln Val Ser Leu Thr Cys Leu Val Lys Gly Phe Tyr Pro Ser 
145                 150                 155                 160 


Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr 
                165                 170                 175     


Lys Thr Thr Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr 
            180                 185                 190         


Ser Lys Leu Thr Val Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe 
        195                 200                 205             


Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys 
    210                 215                 220                 


Ser Leu Ser Leu Ser Pro Gly Lys 
225                 230         


<210>  508
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v55 ECD

<400>  508

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asp 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  509
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v56 ECD

<400>  509

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ala Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Glu Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  510
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v57 ECD

<400>  510

Val Ile His Met Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Glu Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  511
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v58 ECD

<400>  511

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Glu Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  512
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v59 ECD

<400>  512

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Ser 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  513
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v60 ECD

<400>  513

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Leu Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  514
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v61 ECD

<400>  514

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Gly Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  515
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v62 ECD

<400>  515

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  516
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v63 ECD

<400>  516

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Arg Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Ser Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  517
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v64 ECD

<400>  517

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Ala Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Thr Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  518
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v65 ECD

<400>  518

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Ser Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Lys His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Val Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Asn Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  519
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v66 ECD

<400>  519

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Ser Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Thr Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly Asp Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  520
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v67 ECD

<400>  520

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Glu Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Thr Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Thr Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  521
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v68 ECD

<400>  521

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Gly Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asn Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Glu Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  522
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v69 ECD

<400>  522

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Glu Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Ser Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Glu Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  523
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v70 ECD

<400>  523

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Val Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Glu Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  524
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v71 ECD

<400>  524

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Met Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu His Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly Asp Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  525
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v72 ECD

<400>  525

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Thr Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Gly Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Thr Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  526
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v73 ECD

<400>  526

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile His Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Gly Met Leu Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Val Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  527
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v74 ECD

<400>  527

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


His Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Gly Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Ala Pro Ser 
            100                 105                 110         


Ile Ser Asp Leu Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  528
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v75 ECD

<400>  528

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr His Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Gly Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asn Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  529
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v76 ECD

<400>  529

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr His Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Gly Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asn Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  530
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v77 ECD

<400>  530

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Thr Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe His Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  531
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v78 ECD

<400>  531

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Ala Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  532
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v79 ECD

<400>  532

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Val Val Leu Asp Met Ile Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Gly Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Gly Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Ala Val Leu Lys Tyr Glu Glu Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Val Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  533
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v80 ECD

<400>  533

Val Ile His Val Thr Lys Glu Val Lys Glu Val Val Thr Leu Phe Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile His Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Leu Val Leu Gly Met Leu Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asn Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Leu His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asp Ala Ile Thr Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  534
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v81 ECD

<400>  534

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Phe Val Ile Arg Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Gly Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  535
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v82 ECD

<400>  535

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Gly Pro Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Gln Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Thr Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  536
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v83 ECD

<400>  536

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Gly Leu Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Leu Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Val Pro Ser Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  537
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v84 ECD

<400>  537

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Asp Arg Lys Gly Tyr Arg Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Ser Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Ser His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  538
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v85 ECD

<400>  538

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Asp Arg Lys Gly Tyr Arg Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  539
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v86 ECD

<400>  539

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Gly Gln Ile Val Met Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Leu Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Val Cys Val Val Arg Lys Tyr Glu Asn Asp Thr Pro Val Leu Glu His 
                85                  90                  95      


Leu Ala Gly Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Ala Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Ser Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  540
<211>  208
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v87 ECD

<400>  540

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Gly Lys Met Val Met Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp Phe Pro Thr Pro Ser 
            100                 105                 110         


Ile Ser Asp Phe Glu Ile Pro Thr Ser Asn Ile Arg Arg Ile Ile Cys 
        115                 120                 125             


Ser Thr Ser Gly Gly Phe Pro Glu Pro His Leu Ser Trp Leu Glu Asn 
    130                 135                 140                 


Gly Glu Glu Leu Asn Ala Ile Asn Thr Thr Val Ser Gln Asp Pro Glu 
145                 150                 155                 160 


Thr Glu Leu Tyr Ala Val Ser Ser Lys Leu Asp Phe Asn Met Thr Thr 
                165                 170                 175     


Asn His Ser Phe Met Cys Leu Ile Lys Tyr Gly His Leu Arg Val Asn 
            180                 185                 190         


Gln Thr Phe Asn Trp Asn Thr Thr Lys Gln Glu His Phe Pro Asp Asn 
        195                 200                 205             


<210>  541
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v85 IgV

<400>  541

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Asp Arg Lys Gly Tyr Arg Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  542
<211>  101
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v87 IgV

<400>  542

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Gly Lys Met Val Met Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr 
            100     


<210>  543
<211>  107
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v85 IgV

<400>  543

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Lys Lys Met Val Leu Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Asp Arg Lys Gly Tyr Arg Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp 
            100                 105         


<210>  544
<211>  107
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  CD80 v87 IgV

<400>  544

Val Ile His Val Thr Lys Glu Val Lys Glu Val Ala Thr Leu Ser Cys 
1               5                   10                  15      


Gly His Asn Val Ser Val Glu Glu Leu Ala Gln Thr Arg Ile Tyr Trp 
            20                  25                  30          


Gln Lys Glu Gly Lys Met Val Met Thr Met Met Ser Gly Asp Met Asn 
        35                  40                  45              


Ile Trp Pro Glu Tyr Lys Asn Arg Thr Ile Phe Asp Ile Thr Asn Asn 
    50                  55                  60                  


Leu Ser Ile Val Ile Leu Ala Leu Arg Pro Ser Asp Glu Gly Thr Tyr 
65                  70                  75                  80  


Glu Cys Val Val Leu Lys Tyr Glu Lys Asp Ala Phe Lys Arg Glu His 
                85                  90                  95      


Leu Ala Glu Val Thr Leu Ser Val Lys Ala Asp 
            100                 105         


