                         SEQUENCE LISTING

<110>  The Board of Trustees of the Leland Stanford Junior 
       University
       United States Department of Health and Human Services, 
       Office of Technology Transfer, National Institutes of Health
       Garcia, Christopher K.
       Mitra, Suman
       Leonard, Warren J.
       Ring, Aaron M.
 
<120>  SUPERAGONISTS, PARTIAL AGONISTS AND ANTAGONISTS OF INTERLEUKIN-2

<130>  068597-5029-WO

<140>  PCT/US15/27635
<141>  2015-04-24

<150>  US 61/983,973
<151>  2014-04-24

<160>  50    

<170>  PatentIn version 3.5

<210>  1
<211>  153
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IL-2

<400>  1

Met Tyr Arg Met Gln Leu Leu Ser Cys Ile Ala Leu Ser Leu Ala Leu 
1               5                   10                  15      


Val Thr Asn Ser Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu 
            20                  25                  30          


Gln Leu Glu His Leu Leu Leu Asp Leu Gln Met Ile Leu Asn Gly Ile 
        35                  40                  45              


Asn Asn Tyr Lys Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe 
    50                  55                  60                  


Tyr Met Pro Lys Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu 
65                  70                  75                  80  


Glu Glu Leu Lys Pro Leu Glu Glu Val Leu Asn Leu Ala Gln Ser Lys 
                85                  90                  95      


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


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


Asp Glu Thr Ala Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe 
    130                 135                 140                 


Cys Gln Ser Ile Ile Ser Thr Leu Thr 
145                 150             


<210>  2
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  mature human IL-2

<400>  2

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Leu Leu Asp Leu Gln Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Gln Ser Lys Asn Phe His Leu 
65                  70                  75                  80  


Arg Pro Arg Asp Leu Ile Ser Asn Ile Asn Val Ile Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Gln Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  3
<211>  169
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  murine (Mus musculus) IL-2

<400>  3

Met Tyr Ser Met Gln Leu Ala Ser Cys Val Thr Leu Thr Leu Val Leu 
1               5                   10                  15      


Leu Val Asn Ser Ala Pro Thr Ser Ser Ser Thr Ser Ser Ser Thr Ala 
            20                  25                  30          


Glu Ala Gln Gln Gln Gln Gln Gln Gln Gln Gln Gln Gln Gln His Leu 
        35                  40                  45              


Glu Gln Leu Leu Met Asp Leu Gln Glu Leu Leu Ser Arg Met Glu Asn 
    50                  55                  60                  


Tyr Arg Asn Leu Lys Leu Pro Arg Met Leu Thr Phe Lys Phe Tyr Leu 
65                  70                  75                  80  


Pro Lys Gln Ala Thr Glu Leu Lys Asp Leu Gln Cys Leu Glu Asp Glu 
                85                  90                  95      


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


Gln Leu Glu Asp Ala Glu Asn Phe Ile Ser Asn Ile Arg Val Thr Val 
        115                 120                 125             


Val Lys Leu Lys Gly Ser Asp Asn Thr Phe Glu Cys Gln Phe Asp Asp 
    130                 135                 140                 


Glu Ser Ala Thr Val Val Asp Phe Leu Arg Arg Trp Ile Ala Phe Cys 
145                 150                 155                 160 


Gln Ser Ile Ile Ser Thr Ser Pro Gln 
                165                 


<210>  4
<211>  149
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  mature murine IL-2

<400>  4

Ala Pro Thr Ser Ser Ser Thr Ser Ser Ser Thr Ala Glu Ala Gln Gln 
1               5                   10                  15      


Gln Gln Gln Gln Gln Gln Gln Gln Gln Gln His Leu Glu Gln Leu Leu 
            20                  25                  30          


Met Asp Leu Gln Glu Leu Leu Ser Arg Met Glu Asn Tyr Arg Asn Leu 
        35                  40                  45              


Lys Leu Pro Arg Met Leu Thr Phe Lys Phe Tyr Leu Pro Lys Gln Ala 
    50                  55                  60                  


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


Arg His Val Leu Asp Leu Thr Gln Ser Lys Ser Phe Gln Leu Glu Asp 
                85                  90                  95      


Ala Glu Asn Phe Ile Ser Asn Ile Arg Val Thr Val Val Lys Leu Lys 
            100                 105                 110         


Gly Ser Asp Asn Thr Phe Glu Cys Gln Phe Asp Asp Glu Ser Ala Thr 
        115                 120                 125             


Val Val Asp Phe Leu Arg Arg Trp Ile Ala Phe Cys Gln Ser Ile Ile 
    130                 135                 140                 


Ser Thr Ser Pro Gln 
145                 


<210>  5
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  5

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Leu Leu Asp Leu Gln Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Gln Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  6
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  6

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Gln Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Gln Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  7
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  7

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Gln Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  8
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  8

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Gln Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Arg Thr Leu Thr 
    130             


<210>  9
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  9

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Leu Leu Asp Leu Gln Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Asn Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Val Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  10
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  10

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Asn Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Val Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Gln Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  11
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  11

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Asn Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Val Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  12
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  12

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Asn Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Val Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Arg Thr Leu Thr 
    130             


<210>  13
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  13

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Leu Leu Asp Leu Gln Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Asn Ser Lys Asn Phe His Val 
65                  70                  75                  80  


Thr Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  14
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  14

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Asn Ser Lys Asn Phe His Val 
65                  70                  75                  80  


Thr Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Gln Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  15
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  15

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Asn Ser Lys Asn Phe His Val 
65                  70                  75                  80  


Thr Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  16
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  16

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Asn Ser Lys Asn Phe His Val 
65                  70                  75                  80  


Thr Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Arg Thr Leu Thr 
    130             


<210>  17
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  17

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Leu Leu Asp Leu Gln Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala His Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  18
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  18

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala His Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Gln Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  19
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  19

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala His Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  20
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  20

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala His Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Arg Thr Leu Thr 
    130             


<210>  21
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  21

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Leu Leu Asp Leu Gln Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Ser Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  22
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  22

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Ser Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Gln Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  23
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  23

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Ser Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  24
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  24

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Ser Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Arg Thr Leu Thr 
    130             


<210>  25
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  25

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Leu Leu Asp Leu Gln Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Asn Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  26
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  26

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Asn Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Gln Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  27
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  27

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Asn Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  28
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  28

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Asn Ser Lys Asn Phe His Phe 
65                  70                  75                  80  


Asp Pro Arg Asp Val Val Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Arg Thr Leu Thr 
    130             


<210>  29
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  29

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Leu Leu Asp Leu Gln Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Ser Ser Lys Asn Phe His Leu 
65                  70                  75                  80  


Thr Pro Arg Asp Val Ile Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  30
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  30

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Ser Ser Lys Asn Phe His Leu 
65                  70                  75                  80  


Thr Pro Arg Asp Val Ile Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Gln Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  31
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  31

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Ser Ser Lys Asn Phe His Leu 
65                  70                  75                  80  


Thr Pro Arg Asp Val Ile Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Ser Thr Leu Thr 
    130             


<210>  32
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein

<400>  32

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Arg Leu Asp Leu Glu Met Ile Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Pro Leu Glu Glu Val Leu Asn Leu Ala Ser Ser Lys Asn Phe His Leu 
65                  70                  75                  80  


Thr Pro Arg Asp Val Ile Ser Asn Ile Asn Val Phe Val Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Thr Ser Ile 
        115                 120                 125             


Ile Arg Thr Leu Thr 
    130             


<210>  33
<211>  74
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  primer

<400>  33
agtggtggtg gtggttctgg tggtggtggt tctggtggtg gtggttctgc tagcgcacct       60

acttcaagtt ctac                                                         74


<210>  34
<211>  69
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  primer

<400>  34
acactgttgt tatcagatct cgagcaagtc ttcttcggag ataagctttt gttcgccacc       60

agaggatcc                                                               69


<210>  35
<211>  47
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  assembly PCR oligo IL-2_affmat_ass01

<400>  35
gcacctactt caagttctac aaagaaaaca cagctacaac tggagca                     47


<210>  36
<211>  47
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  assembly PCR oligo IL-2_affmat_ass02

<400>  36
caaaatcatc tgtaaatcca gaagtaaatg ctccagttgt agctgtg                     47


<210>  37
<211>  47
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  assembly PCR oligo IL-2_affmat_ass03

<400>  37
ggatttacag atgattttga atggaattaa taattacaag aatccca                     47


<210>  38
<211>  47
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  assembly PCR oligo IL-2_affmat_ass04B

<400>  38
aacttagctg tgagcatcct ggtgagtttg ggattcttgt aattatt                     47


<210>  39
<211>  47
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  assembly PCR oligo IL-2_affmat_ass05B

<400>  39
ggatgctcac agctaagttt tacatgccca agaaggccac agaactg                     47


<210>  40
<211>  47
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  assembly PCR oligo IL-2_affmat_ass06

<400>  40
gttcttcttc tagacactga agatgtttca gttctgtggc cttcttg                     47


<210>  41
<211>  48
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  assembly PCR oligo IL-2_affmat_ass07

<400>  41
cagtgtctag aagaagaact caaacctctg gaggaagtgc taaattta                    48


<210>  42
<211>  40
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  assembly PCR oligo IL-2_affmat_ass08

<400>  42
gtgaaagttt ttgctmrkag ctaaatttag cacttcctcc                             40


<210>  43
<211>  74
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  assembly PCR oligo IL-2_affmat_ass09


<220>
<221>  misc_feature
<222>  (16)..(16)
<223>  n is a, c, g, or t

<220>
<221>  misc_feature
<222>  (19)..(20)
<223>  n is a, c, g, or t

<220>
<221>  misc_feature
<222>  (31)..(31)
<223>  n is a, c, g, or t

<220>
<221>  misc_feature
<222>  (34)..(34)
<223>  n is a, c, g, or t

<220>
<221>  misc_feature
<222>  (43)..(43)
<223>  n is a, c, g, or t

<220>
<221>  misc_feature
<222>  (52)..(52)
<223>  n is a, c, g, or t

<220>
<221>  misc_feature
<222>  (55)..(55)
<223>  n is a, c, g, or t

<400>  43
agcaaaaact ttcacntcnn kcccagggac ntcntcagca atntcaacgt antcntcctg       60

gaactaaagg gatc                                                         74


<210>  44
<211>  49
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  assembly PCR oligo IL-2_affmat_ass10

<400>  44
catcagcata ttcacacatg aatgttgttt cagatccctt tagttccag                   49


<210>  45
<211>  49
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  assembly PCR oligo IL-2_affmat_ass11

<400>  45
atgtgtgaat atgctgatga gacagcaacc attgtagaat ttctgaaca                   49


<210>  46
<211>  49
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  assembly PCR oligo IL-2_affmat_ass12

<400>  46
agatgatgct ttgacaaaag gtaatccatc tgttcagaaa ttctacaat                   49


<210>  47
<211>  45
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  assembly PCR olio IL-2_affmat_ass13

<400>  47
ttttgtcaaa gcatcatctc aacactaact ggatcctctg gtggc                       45


<210>  48
<211>  74
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  PCR amplication oligo IL-2_site2_assFor

<400>  48
agtggtggtg gtggttctgg tggtggtggt tctggtggtg gtggttctgc tagcgcacct       60

acttcaagtt ctac                                                         74


<210>  49
<211>  69
<212>  DNA
<213>  Artificial Sequence

<220>
<223>  PCR amplification oligo IL-2_site2_assRev

<400>  49
acactgttgt tatcagatct cgagcaagtc ttcttcggag ataagctttt gttcgccacc       60

agaggatcc                                                               69


<210>  50
<211>  133
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  IL-2 mutein


<220>
<221>  MUTAGEN
<222>  (18)..(18)
<223>  L (wild type) or R or no amino acid

<220>
<221>  MUTAGEN
<222>  (22)..(22)
<223>  Q (wild type) or E or no amino acid

<220>
<221>  MUTAGEN
<222>  (24)..(24)
<223>  I (wild type) or V or no amino acid

<220>
<221>  MUTAGEN
<222>  (65)..(65)
<223>  P (wild type) or H or no amino acid

<220>
<221>  MUTAGEN
<222>  (74)..(74)
<223>  Q (wild type), R, H, N or S or no amino acid

<220>
<221>  MUTAGEN
<222>  (80)..(80)
<223>  L (wild type), F or V or no amino acid

<220>
<221>  MUTAGEN
<222>  (81)..(81)
<223>  R (wild type), I, T or D or no amino acid

<220>
<221>  MUTAGEN
<222>  (85)..(85)
<223>  L (wild type) or V or no amino acid

<220>
<221>  MUTAGEN
<222>  (86)..(86)
<223>  I (wild type) or V or no amino acid

<220>
<221>  MUTAGEN
<222>  (89)..(89)
<223>  I (wild type) or V or no amino acid

<220>
<221>  MUTAGEN
<222>  (92)..(92)
<223>  I (wild type) or F or no amino acid

<220>
<221>  MUTAGEN
<222>  (93)..(93)
<223>  V (wild type) or I or no amino acid

<220>
<221>  MUTAGEN
<222>  (126)..(126)
<223>  A (wild type) or T or no amino acid

<220>
<221>  MUTAGEN
<222>  (130)..(130)
<223>  S (wild type) or R or no amino acid

<400>  50

Ala Pro Thr Ser Ser Ser Thr Lys Lys Thr Gln Leu Gln Leu Glu His 
1               5                   10                  15      


Leu Xaa Leu Asp Leu Xaa Met Xaa Leu Asn Gly Ile Asn Asn Tyr Lys 
            20                  25                  30          


Asn Pro Lys Leu Thr Arg Met Leu Thr Phe Lys Phe Tyr Met Pro Lys 
        35                  40                  45              


Lys Ala Thr Glu Leu Lys His Leu Gln Cys Leu Glu Glu Glu Leu Lys 
    50                  55                  60                  


Xaa Leu Glu Glu Val Leu Asn Leu Ala Xaa Ser Lys Asn Phe His Xaa 
65                  70                  75                  80  


Xaa Pro Arg Asp Xaa Xaa Ser Asn Xaa Asn Val Xaa Xaa Leu Glu Leu 
                85                  90                  95      


Lys Gly Ser Glu Thr Thr Phe Met Cys Glu Tyr Ala Asp Glu Thr Ala 
            100                 105                 110         


Thr Ile Val Glu Phe Leu Asn Arg Trp Ile Thr Phe Cys Xaa Ser Ile 
        115                 120                 125             


Ile Xaa Thr Leu Thr 
    130             


