                         SEQUENCE LISTING

<110>  GlaxoSmithKline Intellectual Property Development Limited
 
<120>  Dosing

<130>  04012.0466-01304

<150>  US 62/748,595, US 62/807,897, US 62/837,385, US 62/895,229, US 62/902,444
<151>  2018-10-22, 2019-02-20, 2019-04-23, 2019-09-03, 2019-09-19

<160>  35    

<170>  PatentIn version 3.5

<210>  1
<211>  5
<212>  PRT
<213>  Artificial

<220>
<223>  CDRH1

<400>  1

Asp Tyr Ala Met His 
1               5   


<210>  2
<211>  17
<212>  PRT
<213>  Artificial

<220>
<223>  CDRH2

<400>  2

Leu Ile Ser Ile Tyr Ser Asp His Thr Asn Tyr Asn Gln Lys Phe Gln 
1               5                   10                  15      


Gly 
    


<210>  3
<211>  12
<212>  PRT
<213>  Artificial

<220>
<223>  CDRH3

<400>  3

Asn Asn Tyr Gly Asn Tyr Gly Trp Tyr Phe Asp Val 
1               5                   10          


<210>  4
<211>  10
<212>  PRT
<213>  Artificial

<220>
<223>  CDRL1

<400>  4

Ser Ala Ser Ser Ser Val Ser Tyr Met His 
1               5                   10  


<210>  5
<211>  7
<212>  PRT
<213>  Artificial

<220>
<223>  CDRL2

<400>  5

Asp Thr Ser Lys Leu Ala Ser 
1               5           


<210>  6
<211>  9
<212>  PRT
<213>  Artificial

<220>
<223>  CDRL3

<400>  6

Phe Gln Gly Ser Gly Tyr Pro Tyr Thr 
1               5                   


<210>  7
<211>  121
<212>  PRT
<213>  Artificial

<220>
<223>  Humanized Heavy Chain (VH) Variable Region (H2)

<400>  7

Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ser 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ala Met His Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Leu Ile Ser Ile Tyr Ser Asp His Thr Asn Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Gln Gly Arg Val Thr Ile Thr Ala Asp Lys Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Gly Arg Asn Asn Tyr Gly Asn Tyr Gly Trp Tyr Phe Asp Val Trp Gly 
            100                 105                 110         


Gln Gly Thr Thr Val Thr Val Ser Ser 
        115                 120     


<210>  8
<211>  106
<212>  PRT
<213>  Artificial

<220>
<223>  Humanized Light Chain (VL) Variable Region (L5)

<400>  8

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


Glu Arg Ala Thr Leu Ser Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile Tyr 
        35                  40                  45              


Asp Thr Ser Lys Leu Ala Ser Gly Ile Pro Ala Arg Phe Ser Gly Ser 
    50                  55                  60                  


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


Asp Phe Ala Val Tyr Tyr Cys Phe Gln Gly Ser Gly Tyr Pro Tyr Thr 
                85                  90                  95      


Phe Gly Gln Gly Thr Lys Leu Glu Ile Lys 
            100                 105     


<210>  9
<211>  168
<212>  PRT
<213>  Homo sapiens

<400>  9

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 Met 
                165             


<210>  10
<211>  199
<212>  PRT
<213>  Homo sapiens

<400>  10

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>  11
<211>  288
<212>  PRT
<213>  Homo sapiens

<400>  11

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>  12
<211>  290
<212>  PRT
<213>  Homo sapiens

<400>  12

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>  13
<211>  273
<212>  PRT
<213>  Homo sapiens

<400>  13

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>  14
<211>  10
<212>  PRT
<213>  Artificial

<220>
<223>  37A10S713 VH CDR1

<400>  14

Gly Phe Thr Phe Ser Asp Tyr Trp Met Asp 
1               5                   10  


<210>  15
<211>  17
<212>  PRT
<213>  Artificial

<220>
<223>  37A10S713 VH CDR2

<400>  15

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


Gly 
    


<210>  16
<211>  8
<212>  PRT
<213>  Artificial

<220>
<223>  37A10S713 VH CDR3

<400>  16

Trp Gly Arg Phe Gly Phe Asp Ser 
1               5               


<210>  17
<211>  15
<212>  PRT
<213>  Artificial

<220>
<223>  37A10S713 VL CDR1

<400>  17

Lys Ser Ser Gln Ser Leu Leu Ser Gly Ser Phe Asn Tyr Leu Thr 
1               5                   10                  15  


<210>  18
<211>  7
<212>  PRT
<213>  Artificial

<220>
<223>  37A10S713 VL CDR2

<400>  18

Tyr Ala Ser Thr Arg His Thr 
1               5           


<210>  19
<211>  9
<212>  PRT
<213>  Artificial

<220>
<223>  37A10S713 VL CDR3

<400>  19

His His His Tyr Asn Ala Pro Pro Thr 
1               5                   


<210>  20
<211>  116
<212>  PRT
<213>  Artificial

<220>
<223>  37A10S713 heavy chain variable region

<400>  20

Glu Val Gln Leu Val Glu Ser Gly Gly Leu Val Gln Pro Gly Gly Ser 
1               5                   10                  15      


Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr Trp 
            20                  25                  30          


Met Asp Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Val Trp Val Ser 
        35                  40                  45              


Asn Ile Asp Glu Asp Gly Ser Ile Thr Glu Tyr Ser Pro Phe Val Lys 
    50                  55                  60                  


Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Thr Leu Tyr Leu 
65                  70                  75                  80  


Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Val Tyr Tyr Cys Thr 
                85                  90                  95      


Arg Trp Gly Arg Phe Gly Phe Asp Ser Trp Gly Gln Gly Thr Leu Val 
            100                 105                 110         


Thr Val Ser Ser 
        115     


<210>  21
<211>  111
<212>  PRT
<213>  Artificial

<220>
<223>  37A10S713 light chain variable region

<400>  21

Asp Ile Val Met Thr Gln Ser Pro Asp Ser Leu Ala Val Ser Leu Gly 
1               5                   10                  15      


Glu Arg Ala Thr Ile Asn Cys Lys Ser Ser Gln Ser Leu Leu Ser Gly 
            20                  25                  30          


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


Lys Leu Leu Ile Phe Tyr Ala Ser Thr Arg His Thr Gly Val Pro Asp 
    50                  55                  60                  


Arg Phe Ser Gly Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser 
65                  70                  75                  80  


Ser Leu Gln Ala Glu Asp Val Ala Val Tyr Tyr Cys His His His Tyr 
                85                  90                  95      


Asn Ala Pro Pro Thr Phe Gly Pro Gly Thr Lys Val Asp Ile Lys 
            100                 105                 110     


<210>  22
<211>  121
<212>  PRT
<213>  Artificial

<220>
<223>  ICOS.33 IgG1f S267E Heavy Chain Variable Domain

<400>  22

Glu Val Gln Leu Val Glu Ser Gly Gly Gly Leu Val Lys Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Ala Ala Ser Gly Phe Thr Phe Ser Asp Tyr 
            20                  25                  30          


Phe Met His Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Gly Val Ile Asp Thr Lys Ser Phe Asn Tyr Ala Thr Tyr Tyr Ser Asp 
    50                  55                  60                  


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


Leu Tyr Leu Gln Met Asn Ser Leu Lys Thr Glu Asp Thr Ala Val Tyr 
                85                  90                  95      


Tyr Cys Thr Ala Thr Ile Ala Val Pro Tyr Tyr Phe Asp Tyr Trp Gly 
            100                 105                 110         


Gln Gly Thr Leu Val Thr Val Ser Ser 
        115                 120     


<210>  23
<211>  106
<212>  PRT
<213>  Artificial

<220>
<223>  ICOS.33 IgG1f S267E Light Chain Variable Domain

<400>  23

Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Leu Ser Ala Ser Val Gly 
1               5                   10                  15      


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


Leu Ser Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Tyr Thr Asn Leu Leu Ala Glu Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Phe Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Ile Ala Thr Tyr Tyr Cys Gln Gln Tyr Tyr Asn Tyr Arg Thr 
                85                  90                  95      


Phe Gly Pro Gly Thr Lys Val Asp Ile Lys 
            100                 105     


<210>  24
<211>  124
<212>  PRT
<213>  Artificial

<220>
<223>  STIM003 Heavy chain variable domain

<400>  24

Glu Val Gln Leu Val Glu Ser Gly Gly Gly Val Val Arg Pro Gly Gly 
1               5                   10                  15      


Ser Leu Arg Leu Ser Cys Val Ala Ser Gly Val Thr Phe Asp Asp Tyr 
            20                  25                  30          


Gly Met Ser Trp Val Arg Gln Ala Pro Gly Lys Gly Leu Glu Trp Val 
        35                  40                  45              


Ser Gly Ile Asn Trp Asn Gly Gly Asp Thr Asp Tyr Ser Asp Ser Val 
    50                  55                  60                  


Lys Gly Arg Phe Thr Ile Ser Arg Asp Asn Ala Lys Asn Ser Leu Tyr 
65                  70                  75                  80  


Leu Gln Met Asn Ser Leu Arg Ala Glu Asp Thr Ala Leu Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Asp Phe Tyr Gly Ser Gly Ser Tyr Tyr His Val Pro Phe Asp 
            100                 105                 110         


Tyr Trp Gly Gln Gly Ile Leu Val Thr Val Ser Ser 
        115                 120                 


<210>  25
<211>  108
<212>  PRT
<213>  Artificial

<220>
<223>  STIM003 Light chain variable domain

<400>  25

Glu Ile Val Leu Thr Gln Ser Pro Gly Thr Leu Ser Leu Ser Pro Gly 
1               5                   10                  15      


Glu Arg Ala Thr Leu Ser Cys Arg Ala Ser Gln Ser Val Ser Arg Ser 
            20                  25                  30          


Tyr Leu Ala Trp Tyr Gln Gln Lys Arg Gly Gln Ala Pro Arg Leu Leu 
        35                  40                  45              


Ile Tyr Gly Ala Ser Ser Arg Ala Thr Gly Ile Pro Asp Arg Phe Ser 
    50                  55                  60                  


Gly Asp Gly Ser Gly Thr Asp Phe Thr Leu Ser Ile Ser Arg Leu Glu 
65                  70                  75                  80  


Pro Glu Asp Phe Ala Val Tyr Tyr Cys His Gln Tyr Asp Met Ser Pro 
                85                  90                  95      


Phe Thr Phe Gly Pro Gly Thr Lys Val Asp Ile Lys 
            100                 105             


<210>  26
<211>  125
<212>  PRT
<213>  Artificial

<220>
<223>  XENP23104 [ICOS]_H0.66_L0 Heavy chain variable domain

<400>  26

Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ala 
1               5                   10                  15      


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


Tyr Met His Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Trp Ile Asn Pro His Ser Gly Glu Thr Ile Tyr Ala Gln Lys Phe 
    50                  55                  60                  


Gln Gly Arg Val Thr Met Thr Arg Asp Thr Ser Ile Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Ala Arg Thr Tyr Tyr Tyr Asp Thr Ser Gly Tyr Tyr His Asp Ala Phe 
            100                 105                 110         


Asp Val Trp Gly Gln Gly Thr Met Val Thr Val Ser Ser 
        115                 120                 125 


<210>  27
<211>  5
<212>  PRT
<213>  Artificial

<220>
<223>  XENP23104 [ICOS]_H0.66_L0 VH CDR1

<400>  27

Gly Tyr Tyr Met His 
1               5   


<210>  28
<211>  17
<212>  PRT
<213>  Artificial

<220>
<223>  XENP23104 [ICOS]_H0.66_L0 VH CDR2

<400>  28

Trp Ile Asn Pro His Ser Gly Glu Thr Ile Tyr Ala Gln Lys Phe Gln 
1               5                   10                  15      


Gly 
    


<210>  29
<211>  16
<212>  PRT
<213>  Artificial

<220>
<223>  XENP23104 [ICOS]_H0.66_L0 VH CDR3

<400>  29

Thr Tyr Tyr Tyr Asp Thr Ser Gly Tyr Tyr His Asp Ala Phe Asp Val 
1               5                   10                  15      


<210>  30
<211>  107
<212>  PRT
<213>  Artificial

<220>
<223>  XENP23104 [ICOS]_H0.66_L0 Light chain variable domain

<400>  30

Asp Ile Gln Met Thr Gln Ser Pro Ser Ser Val Ser Ala Ser Val Gly 
1               5                   10                  15      


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


Leu Ala Trp Tyr Gln Gln Lys Pro Gly Lys Ala Pro Lys Leu Leu Ile 
        35                  40                  45              


Tyr Val Ala Ser Ser Leu Gln Ser Gly Val Pro Ser Arg Phe Ser Gly 
    50                  55                  60                  


Ser Gly Ser Gly Thr Asp Phe Thr Leu Thr Ile Ser Ser Leu Gln Pro 
65                  70                  75                  80  


Glu Asp Phe Ala Thr Tyr Tyr Cys Gln Gln Ala Asn Ser Phe Pro Trp 
                85                  90                  95      


Thr Phe Gly Gln Gly Thr Lys Val Glu Ile Lys 
            100                 105         


<210>  31
<211>  11
<212>  PRT
<213>  Artificial

<220>
<223>  XENP23104 [ICOS]_H0.66_L0 VL CDR1

<400>  31

Arg Ala Ser Gln Gly Ile Ser Arg Leu Leu Ala 
1               5                   10      


<210>  32
<211>  7
<212>  PRT
<213>  Artificial

<220>
<223>  XENP23104 [ICOS]_H0.66_L0 VL CDR2

<400>  32

Val Ala Ser Ser Leu Gln Ser 
1               5           


<210>  33
<211>  9
<212>  PRT
<213>  Artificial

<220>
<223>  XENP23104 [ICOS]_H0.66_L0 VL CDR3

<400>  33

Gln Gln Ala Asn Ser Phe Pro Trp Thr 
1               5                   


<210>  34
<211>  448
<212>  PRT
<213>  Artificial

<220>
<223>  Humanized heavy chain (H2L5 IgG4PE)

<400>  34

Gln Val Gln Leu Val Gln Ser Gly Ala Glu Val Lys Lys Pro Gly Ser 
1               5                   10                  15      


Ser Val Lys Val Ser Cys Lys Ala Ser Gly Tyr Thr Phe Thr Asp Tyr 
            20                  25                  30          


Ala Met His Trp Val Arg Gln Ala Pro Gly Gln Gly Leu Glu Trp Met 
        35                  40                  45              


Gly Leu Ile Ser Ile Tyr Ser Asp His Thr Asn Tyr Asn Gln Lys Phe 
    50                  55                  60                  


Gln Gly Arg Val Thr Ile Thr Ala Asp Lys Ser Thr Ser Thr Ala Tyr 
65                  70                  75                  80  


Met Glu Leu Ser Ser Leu Arg Ser Glu Asp Thr Ala Val Tyr Tyr Cys 
                85                  90                  95      


Gly Arg Asn Asn Tyr Gly Asn Tyr Gly Trp Tyr Phe Asp Val Trp Gly 
            100                 105                 110         


Gln Gly Thr Thr Val Thr Val Ser Ser Ala Ser Thr Lys Gly Pro Ser 
        115                 120                 125             


Val Phe Pro Leu Ala Pro Cys Ser Arg Ser Thr Ser Glu Ser Thr Ala 
    130                 135                 140                 


Ala Leu Gly Cys Leu Val Lys Asp Tyr Phe Pro Glu Pro Val Thr Val 
145                 150                 155                 160 


Ser Trp Asn Ser Gly Ala Leu Thr Ser Gly Val His Thr Phe Pro Ala 
                165                 170                 175     


Val Leu Gln Ser Ser Gly Leu Tyr Ser Leu Ser Ser Val Val Thr Val 
            180                 185                 190         


Pro Ser Ser Ser Leu Gly Thr Lys Thr Tyr Thr Cys Asn Val Asp His 
        195                 200                 205             


Lys Pro Ser Asn Thr Lys Val Asp Lys Arg Val Glu Ser Lys Tyr Gly 
    210                 215                 220                 


Pro Pro Cys Pro Pro Cys Pro Ala Pro Glu Phe Glu Gly Gly Pro Ser 
225                 230                 235                 240 


Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg 
                245                 250                 255     


Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser Gln Glu Asp Pro 
            260                 265                 270         


Glu Val Gln Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala 
        275                 280                 285             


Lys Thr Lys Pro Arg Glu Glu Gln Phe Asn Ser Thr Tyr Arg Val Val 
    290                 295                 300                 


Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly Lys Glu Tyr 
305                 310                 315                 320 


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


Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu 
            340                 345                 350         


Pro Pro Ser Gln Glu Glu Met Thr Lys Asn Gln Val Ser Leu Thr Cys 
        355                 360                 365             


Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser 
    370                 375                 380                 


Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro Val Leu Asp 
385                 390                 395                 400 


Ser Asp Gly Ser Phe Phe Leu Tyr Ser Arg Leu Thr Val Asp Lys Ser 
                405                 410                 415     


Arg Trp Gln Glu Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala 
            420                 425                 430         


Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Leu Gly Lys 
        435                 440                 445             


<210>  35
<211>  213
<212>  PRT
<213>  Artificial

<220>
<223>  Humanized light chain (H2L5 IgG4PE)

<400>  35

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


Glu Arg Ala Thr Leu Ser Cys Ser Ala Ser Ser Ser Val Ser Tyr Met 
            20                  25                  30          


His Trp Tyr Gln Gln Lys Pro Gly Gln Ala Pro Arg Leu Leu Ile Tyr 
        35                  40                  45              


Asp Thr Ser Lys Leu Ala Ser Gly Ile Pro Ala Arg Phe Ser Gly Ser 
    50                  55                  60                  


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


Asp Phe Ala Val Tyr Tyr Cys Phe Gln Gly Ser Gly Tyr Pro Tyr Thr 
                85                  90                  95      


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


Ser Val Phe Ile Phe Pro Pro Ser Asp Glu Gln Leu Lys Ser Gly Thr 
        115                 120                 125             


Ala Ser Val Val Cys Leu Leu Asn Asn Phe Tyr Pro Arg Glu Ala Lys 
    130                 135                 140                 


Val Gln Trp Lys Val Asp Asn Ala Leu Gln Ser Gly Asn Ser Gln Glu 
145                 150                 155                 160 


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


Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu Lys His Lys Val Tyr Ala 
            180                 185                 190         


Cys Glu Val Thr His Gln Gly Leu Ser Ser Pro Val Thr Lys Ser Phe 
        195                 200                 205             


Asn Arg Gly Glu Cys 
    210             


