                         SEQUENCE LISTING

<110>  unknown, unknown
 
<120>  NOVEL IL-17R-ECD MUTANTS

<130>  31590P

<160>  76    

<170>  PatentIn version 3.5

<210>  1
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artifical Construct of Wild Type IL-17R-ECD

<400>  1

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Phe Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Arg Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  2
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial variant of IL-17R-ECD MUTANT, V1

<400>  2

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Glu Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asn Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Leu Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu Asp Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  3
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V2

<400>  3

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asn Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Phe Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Arg Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu Asp Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  4
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V3

<400>  4

Ser Leu Arg Leu Leu Asp His Arg Ala Pro Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Phe Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu Asp Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Trp Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Val Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  5
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V4

<400>  5

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Ile Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Leu Pro Val Ala His 
    50                  55                  60                  


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


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Arg Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu Asp Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  6
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V5

<400>  6

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asn Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Leu Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Lys Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  7
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V6

<400>  7

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Glu Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Leu Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  8
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V7

<400>  8

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Val Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu Asp Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  9
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V8

<400>  9

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Glu Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Phe Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu Asp Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  10
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V9

<400>  10

Ser Leu Arg Leu Leu Asp His Arg Ala Pro Val Cys Ser Gln Glu Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asn Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Leu Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Lys Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  11
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V10

<400>  11

Ser Leu Arg Leu Leu Asp His Arg Ala Pro Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Val Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  12
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V11

<400>  12

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Glu Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Phe Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Arg Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  13
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V12

<400>  13

Ser Leu Arg Leu Leu Asp His Arg Ala Pro Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Phe Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Arg Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser Arg Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  14
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V13

<400>  14

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Phe Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Lys Phe Glu Phe Leu Ser Lys Leu Arg His His His Arg Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu Asp Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asp Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Trp Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  15
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V14

<400>  15

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Val Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln His Gly Asp Leu Phe Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


Thr Val His His Leu Pro Lys Pro Ile Pro Asp Arg Asp Pro Asn His 
    130                 135                 140                 


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu Asp Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His His Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Val Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  16
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V15

<400>  16

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Val Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Phe Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Ile Leu Ser Lys Leu Arg His His His Arg Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Val Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  17
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V16

<400>  17

Ser Leu Arg Leu Leu Asp His Arg Ala Pro Val Cys Ser Gln Glu Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Phe Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu Asp Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  18
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V17

<400>  18

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Leu Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Glu Leu Arg His His His Arg Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu Asp Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  19
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V18

<400>  19

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Phe Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Arg Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu Asp Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  20
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V19  *************Variant V19 should have the mutation L45I and not L45P*****************************

<400>  20

Ser Leu Arg Leu Leu Asp His Gln Ala Leu Val Cys Ser Gln Glu Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Ile Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Leu Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Arg Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  21
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V20

<400>  21

Ser Leu Arg Leu Leu Asp His Arg Ala Pro Val Cys Ser Gln Glu Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Val Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Val Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Arg Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Arg Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  22
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V21

<400>  22

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Leu Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Lys Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Ile Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  23
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V22

<400>  23

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Val Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Arg Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu Asp Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  24
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V23

<400>  24

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Val Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Thr Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Thr Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  25
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V24

<400>  25

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Val Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Lys Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Val Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  26
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V25

<400>  26

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala Tyr Thr Gln Gln Gly Asp Leu Val Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Arg Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  27
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V26

<400>  27

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Ser Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Val Pro Val Ala His 
    50                  55                  60                  


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


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  28
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V27

<400>  28

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Ile Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Val Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  29
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V28

<400>  29

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Phe Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Arg Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  30
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V29

<400>  30

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Phe Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Arg Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Asp Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Ala Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


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


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  31
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V30

<400>  31

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Val Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


Thr Val Tyr His Leu Pro Lys Pro Ile Pro Asp Gly Asp Pro Asn His 
    130                 135                 140                 


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Arg Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  32
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V31

<400>  32

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala Tyr Thr Gln Gln Gly Asp Leu Val Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  33
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V32

<400>  33

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Val Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Lys Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  34
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V33

<400>  34

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Ser Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Val Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  35
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V34

<400>  35

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


Tyr Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Val Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Val Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  36
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, V35

<400>  36

Ser Leu Arg Leu Leu Asp His Arg Ala Leu Val Cys Ser Gln Pro Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Asp Leu Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Gln Gly Asp Leu Val Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Lys Gly 
65                  70                  75                  80  


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


Arg Phe Glu Phe Leu Ser Lys Leu Arg His His His Lys Arg Trp Arg 
            100                 105                 110         


Leu Thr Phe Ser His Phe Val Val Asp Pro Gly Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu His Pro Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Gly Cys Cys Arg His Gln Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Ala Thr Val Ser Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  37
<211>  289
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  Artificial Variant of IL17RA-ECD, Consesus Sequence


<220>
<221>  MISC_FEATURE
<222>  (10)..(10)
<223>  Xaa is leucine or proline

<220>
<221>  MISC_FEATURE
<222>  (15)..(15)
<223>  Xaa is either proline or glutamic acid

<220>
<221>  MISC_FEATURE
<222>  (44)..(44)
<223>  Xaa is either aspartic acid or aspargine

<220>
<221>  MISC_FEATURE
<222>  (45)..(45)
<223>  Xaa is either leucine, valine or isoleucine

<220>
<221>  MISC_FEATURE
<222>  (56)..(56)
<223>  Xaa is either glutamine or histidine

<220>
<221>  MISC_FEATURE
<222>  (60)..(60)
<223>  Xaa is either phenylalanine, leucine, or valine

<220>
<221>  MISC_FEATURE
<222>  (97)..(97)
<223>  Xaa is either arginine or lysine

<220>
<221>  MISC_FEATURE
<222>  (109)..(109)
<223>  Xaa is either arginine or lysine

<220>
<221>  MISC_FEATURE
<222>  (123)..(123)
<223>  Xaa is either aspartic acid or glycine

<220>
<221>  MISC_FEATURE
<222>  (156)..(156)
<223>  Xaa is either histidine or aspartic acid,

<220>
<221>  MISC_FEATURE
<222>  (157)..(157)
<223>  Xaa is either alanine or proline

<220>
<221>  MISC_FEATURE
<222>  (240)..(240)
<223>  Xaa is either arginine or serine

<220>
<221>  MISC_FEATURE
<222>  (244)..(244)
<223>  Xaa is either glycine, tryptophan or arginine

<220>
<221>  MISC_FEATURE
<222>  (249)..(249)
<223>  Xaa is either glutamine or histidine

<220>
<221>  MISC_FEATURE
<222>  (268)..(268)
<223>  Xaa is either alanine or valine

<220>
<221>  MISC_FEATURE
<222>  (271)..(271)
<223>  Xaa is either serine or proline.

<400>  37

Ser Leu Arg Leu Leu Asp His Arg Ala Xaa Val Cys Ser Gln Xaa Gly 
1               5                   10                  15      


Leu Asn Cys Thr Val Lys Asn Ser Thr Cys Leu Asp Asp Ser Trp Ile 
            20                  25                  30          


His Pro Arg Asn Leu Thr Pro Ser Ser Pro Lys Xaa Xaa Gln Ile Gln 
        35                  40                  45              


Leu His Phe Ala His Thr Gln Xaa Gly Asp Leu Xaa Pro Val Ala His 
    50                  55                  60                  


Ile Glu Trp Thr Leu Gln Thr Asp Ala Ser Ile Leu Tyr Leu Glu Gly 
65                  70                  75                  80  


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


Xaa Phe Glu Phe Leu Ser Lys Leu Arg His His His Xaa Arg Trp Arg 
            100                 105                 110         


Phe Thr Phe Ser His Phe Val Val Asp Pro Xaa Gln Glu Tyr Glu Val 
        115                 120                 125             


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


Gln Ser Lys Asn Phe Leu Val Pro Asp Cys Glu Xaa Xaa Arg Met Lys 
145                 150                 155                 160 


Val Thr Thr Pro Cys Met Ser Ser Gly Ser Leu Trp Asp Pro Asn Ile 
                165                 170                 175     


Thr Val Glu Thr Leu Glu Ala His Gln Leu Arg Val Ser Phe Thr Leu 
            180                 185                 190         


Trp Asn Glu Ser Thr His Tyr Gln Ile Leu Leu Thr Ser Phe Pro His 
        195                 200                 205             


Met Glu Asn His Ser Cys Phe Glu His Met His His Ile Pro Ala Pro 
    210                 215                 220                 


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


Asn Leu Lys Xaa Cys Cys Arg His Xaa Val Gln Ile Gln Pro Phe Phe 
                245                 250                 255     


Ser Ser Cys Leu Asn Asp Cys Leu Arg His Ser Xaa Thr Val Xaa Cys 
            260                 265                 270         


Pro Glu Met Pro Asp Thr Pro Glu Pro Ile Pro Asp Tyr Met Pro Leu 
        275                 280                 285             


Trp 
    


<210>  38
<211>  18
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  ECD-nested-Not primer for hIL17RA-ECD

<400>  38
gtggtggtgg tggtgctc                                                     18


<210>  39
<211>  20
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  ECD-nested-Nco, primer for hIL17RA-ECD

<400>  39
gtaccgacga cgacgacaag                                                   20


<210>  40
<211>  34
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  fr-pCTCON-ECD IL17RA, primer for hIL17RA-ECD

<400>  40
ataaacgcta gctccctgcg actcctggac cacc                                   34


<210>  41
<211>  39
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  rev-pCTCON-ECD IL17RA, primer for hIL17RA-ECD

<400>  41
tagatgtcgg atccgtacac ccacaggggc atgtagtcc                              39


<210>  42
<211>  70
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  fr-pCTCON-ECD hr, primer for hIL17RA-ECD

<400>  42
ggtggtggtt ctggtggtgg tggttctggt ggtggtggtt ctgctagctc cctgcgactc       60

ctggaccacc                                                              70


<210>  43
<211>  76
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  rev-pCTCON-ECD hr, primer for hIL17RA-ECD, primer for hIL17RA-ECD

<400>  43
gatctcgagc tattacaagt cctcttcaga aataagcttt tgttcggatc cgtacaccca       60

caggggcatg tagtcc                                                       76


<210>  44
<211>  22
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  fr- ECD, primer for hIL17RA-ECD

<400>  44
tccctgcgac tcctggacca cc                                                22


<210>  45
<211>  25
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  rev-ECD, primer for hIL17RA-ECD

<400>  45
gtacacccac aggggcatgt agtcc                                             25


<210>  46
<211>  38
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  fr-pET32-ECD/Nco, primer for hIL17RA-ECD

<400>  46
attcgatgcc atggcctccc tgcgactcct ggaccacc                               38


<210>  47
<211>  49
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  rev-pET32-ECD/Not, primer for hIL17RA-ECD

<400>  47
tcactcagtg cggccgccta ttagtacacc cacaggggca tgtagtccg                   49


<210>  48
<211>  35
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  fr-ECD-Nco-pFC, primer for hIL17RA-ECD

<400>  48
ccatggttct gcgactcctg gaccaccggg cgctg                                  35


<210>  49
<211>  26
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  rev-ECD-Xba-pFC, primer for hIL17RA-ECD

<400>  49
tctagaccac aggggcatgt agtccg                                            26


<210>  50
<211>  30
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  fr-ECD-Bam-pFC, primer for hIL17RA-ECD

<400>  50
ggatcctaga gaggcttgtg gggcctcagg                                        30


<210>  51
<211>  29
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  rev-ECD-SalI-pFC, primer for hIL17RA-ECD

<400>  51
gtcgacgccc acaggggcat gtagtccgg                                         29


<210>  52
<211>  31
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  L10P, primer for hIL17RA-ECD mutant library

<400>  52
tggaccaccg ggcgccggtc tgctcccagc c                                      31


<210>  53
<211>  33
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  P15E, primer for hIL17RA-ECD mutant library

<400>  53
ctggtctgct cccaggaagg gctaaactgc acg                                    33


<210>  54
<211>  30
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  D44N, primer for hIL17RA-ECD mutant library

<400>  54
cctcctcccc aaagaacctg cagatccagc                                        30


<210>  55
<211>  33
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  L45I, primer for hIL17RA-ECD mutant library

<400>  55
tcctccccaa aggacattca gatccagctg cac                                    33


<210>  56
<211>  32
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  L45V, primer for hIL17RA-ECD mutant library

<400>  56
ctcctcccca aaggacgtgc agatccagct gc                                     32


<210>  57
<211>  28
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  Q56H, primer for hIL17RA-ECD mutant library

<400>  57
cccacaccca acatggagac ctgttccc                                          28


<210>  58
<211>  33
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  F60V, primer for hIL17RA-ECD mutant library

<400>  58
caacaaggag acctggtgcc cgtggctcac atc                                    33


<210>  59
<211>  33
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  F60L, primer for hIL17RA-ECD mutant library

<400>  59
caacaaggag acctgctgcc cgtggctcac atc                                    33


<210>  60
<211>  30
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  R97K, primer for hIL17RA-ECD mutant library

<400>  60
cgtttgtgcg tcaaatttga gtttctgtcc                                        30


<210>  61
<211>  32
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  R109K, primer

<400>  61
tgaggcatca ccacaaacgg tggcgtttta cc                                     32


<210>  62
<211>  30
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  D123G, primer

<400>  62
gtggttgacc ctggccagga atatgaggtg                                        30


<210>  63
<211>  31
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  H156D, primer

<400>  63
gtgcctgact gtgaggatgc caggatgaag g                                      31


<210>  64
<211>  32
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  A157P, primer

<400>  64
ctgactgtga gcatccgagg atgaaggtaa cc                                     32


<210>  65
<211>  30
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  R240S, primer

<400>  65
cacactcact ctaagcaacc ttaaagggtg                                        30


<210>  66
<211>  29
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  G244W, primer

<400>  66
acgcaacctt aaatggtgct gtcgccacc                                         29


<210>  67
<211>  29
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  Q249H, primer

<400>  67
gtgctgtcgc caccatgtgc agatccagc                                         29


<210>  68
<211>  31
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  A268V, primer

<400>  68
gcctcagaca ctccgtgact gtttcctgcc c                                      31


<210>  69
<211>  32
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  S271P, primer

<400>  69
cactccgcga ctgttccgtg cccagaaatg cc                                     32


<210>  70
<211>  21
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  fr-pET32-seq, primer

<400>  70
ttcctcgacg ctaacctggc c                                                 21


<210>  71
<211>  22
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  rev-pET32-seq, primer

<400>  71
agcagccgga tctcagtggt gg                                                22


<210>  72
<211>  33
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  fr-pCTCON-lib, primer

<400>  72
gacgattgaa ggtagatacc catacgacgt tcc                                    33


<210>  73
<211>  31
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  rev-pCTCON-lib, primer

<400>  73
cagatctcga gctattacaa gtcctcttca g                                      31


<210>  74
<211>  22
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  pFC-fr, primer

<400>  74
gttttctgtt ctgcgccgtt ac                                                22


<210>  75
<211>  22
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  pFC-rev, primer

<400>  75

Gly Cys Ala Thr Thr Cys Thr Ala Gly Thr Thr Gly Thr Gly Gly Thr 
1               5                   10                  15      


Thr Thr Gly Thr Cys Cys 
            20          


<210>  76
<211>  24
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  pFC-rev-in, primer

<400>  76
catgagggtg tccttgggtt ttgg                                              24


