                         SEQUENCE LISTING

<110>  F. Hoffmann-La Roche AG
 
<120>  FC-REGION VARIANTS WITH MODIFIED FCRN- AND PROTEIN A-BINDING 
       PROPERTIES

<130>  P32409

<150>  EP14192054.6
<151>  2014-11-06

<160>  30    

<170>  PatentIn version 3.5

<210>  1
<211>  107
<212>  PRT
<213>  Homo sapiens

<400>  1

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


Pro Lys Asp Thr Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val 
            20                  25                  30          


Trp Asp Val Ser His Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val 
        35                  40                  45              


Asp Gly Val Glu Val His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln 
    50                  55                  60                  


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


Leu Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro 
                85                  90                  95      


Ala Pro Ile Glu Lys Thr Ile Ser Lys Ala Lys 
            100                 105         


<210>  2
<211>  106
<212>  PRT
<213>  Homo sapiens

<400>  2

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


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


Tyr Pro Ser Asp Ile Ala Val Glu Trp Glu Ser Asn Gly Gln Pro Glu 
        35                  40                  45              


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


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


Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu His Asn His Tyr 
                85                  90                  95      


Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly 
            100                 105     


<210>  3
<211>  227
<212>  PRT
<213>  Homo sapiens

<400>  3

Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly 
1               5                   10                  15      


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
            20                  25                  30          


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
        35                  40                  45              


Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
    50                  55                  60                  


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
65                  70                  75                  80  


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
                85                  90                  95      


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
            100                 105                 110         


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


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


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


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
                165                 170                 175     


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
            180                 185                 190         


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
        195                 200                 205             


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
    210                 215                 220                 


Pro Gly Lys 
225         


<210>  4
<211>  223
<212>  PRT
<213>  Homo sapiens

<400>  4

Val Glu Cys Pro Pro Cys Pro Ala Pro Pro Val Ala Gly Pro Ser Val 
1               5                   10                  15      


Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met Ile Ser Arg Thr 
            20                  25                  30          


Pro Glu Val Thr Cys Val Val Val Asp Val Ser His Glu Asp Pro Glu 
        35                  40                  45              


Val Gln Phe Asn Trp Tyr Val Asp Gly Val Glu Val His Asn Ala Lys 
    50                  55                  60                  


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


Val Leu Thr Val Val His Gln Asp Trp Leu Asn Gly Lys Glu Tyr Lys 
                85                  90                  95      


Cys Lys Val Ser Asn Lys Gly Leu Pro Ala Pro Ile Glu Lys Thr Ile 
            100                 105                 110         


Ser Lys Thr Lys Gly Gln Pro Arg Glu Pro Gln Val Tyr Thr Leu Pro 
        115                 120                 125             


Pro Ser Arg Glu Glu Met Thr Lys Asn Gln Val Ser Leu Thr Cys Leu 
    130                 135                 140                 


Val Lys Gly Phe Tyr Pro Ser Asp Ile Ser Val Glu Trp Glu Ser Asn 
145                 150                 155                 160 


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


Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val Asp Lys Ser Arg 
            180                 185                 190         


Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met His Glu Ala Leu 
        195                 200                 205             


His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser Pro Gly Lys 
    210                 215                 220             


<210>  5
<211>  227
<212>  PRT
<213>  Homo sapiens

<400>  5

Asp Thr Pro Pro Pro Cys Pro Arg Cys Pro Ala Pro Glu Leu Leu Gly 
1               5                   10                  15      


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
            20                  25                  30          


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
        35                  40                  45              


Glu Asp Pro Glu Val Gln Phe Lys Trp Tyr Val Asp Gly Val Glu Val 
    50                  55                  60                  


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Phe 
65                  70                  75                  80  


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
                85                  90                  95      


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
            100                 105                 110         


Glu Lys Thr Ile Ser Lys Thr Lys Gly Gln Pro Arg Glu Pro Gln Val 
        115                 120                 125             


Tyr Thr Leu Pro Pro Ser Arg Glu Glu Met Thr Lys Asn Gln Val Ser 
    130                 135                 140                 


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


Trp Glu Ser Ser Gly Gln Pro Glu Asn Asn Tyr Asn Thr Thr Pro Pro 
                165                 170                 175     


Met Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
            180                 185                 190         


Asp Lys Ser Arg Trp Gln Gln Gly Asn Ile Phe Ser Cys Ser Val Met 
        195                 200                 205             


His Glu Ala Leu His Asn Arg Phe Thr Gln Lys Ser Leu Ser Leu Ser 
    210                 215                 220                 


Pro Gly Lys 
225         


<210>  6
<211>  229
<212>  PRT
<213>  Homo sapiens

<400>  6

Glu Ser Lys Tyr Gly Pro Pro Cys Pro Ser Cys Pro Ala Pro Glu Phe 
1               5                   10                  15      


Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr 
            20                  25                  30          


Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val 
        35                  40                  45              


Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp Gly Val 
    50                  55                  60                  


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


Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu 
                85                  90                  95      


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


Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro 
        115                 120                 125             


Gln Val Tyr Thr Leu Pro Pro Ser Gln Glu Glu Met Thr Lys Asn Gln 
    130                 135                 140                 


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


Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr 
                165                 170                 175     


Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Arg Leu 
            180                 185                 190         


Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser Cys Ser 
        195                 200                 205             


Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser 
    210                 215                 220                 


Leu Ser Leu Gly Lys 
225                 


<210>  7
<211>  227
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG1 Fc-region derived Fc-region polypeptide with the 
       mutations L234A, L235A

<400>  7

Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Ala Ala Gly 
1               5                   10                  15      


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
            20                  25                  30          


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
        35                  40                  45              


Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
    50                  55                  60                  


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
65                  70                  75                  80  


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
                85                  90                  95      


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
            100                 105                 110         


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


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


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


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
                165                 170                 175     


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
            180                 185                 190         


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
        195                 200                 205             


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
    210                 215                 220                 


Pro Gly Lys 
225         


<210>  8
<211>  227
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG1 Fc-region derived Fc-region polypeptide with Y349C, 
       T366S, L368A and Y407V mutations

<400>  8

Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly 
1               5                   10                  15      


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
            20                  25                  30          


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
        35                  40                  45              


Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
    50                  55                  60                  


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
65                  70                  75                  80  


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
                85                  90                  95      


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
            100                 105                 110         


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


Cys Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
    130                 135                 140                 


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


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
                165                 170                 175     


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Val Ser Lys Leu Thr Val 
            180                 185                 190         


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
        195                 200                 205             


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
    210                 215                 220                 


Pro Gly Lys 
225         


<210>  9
<211>  227
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG1 Fc-region derived Fc-region polypeptide with S354C, 
       T366W mutations

<400>  9

Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly 
1               5                   10                  15      


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
            20                  25                  30          


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
        35                  40                  45              


Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
    50                  55                  60                  


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
65                  70                  75                  80  


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
                85                  90                  95      


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
            100                 105                 110         


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


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


Leu Trp Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
145                 150                 155                 160 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
                165                 170                 175     


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
            180                 185                 190         


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
        195                 200                 205             


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
    210                 215                 220                 


Pro Gly Lys 
225         


<210>  10
<211>  227
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG1 Fc-region derived Fc-region polypeptide with L234A, 
       L235A mutations and Y349C, T366S, L368A, Y407V mutations

<400>  10

Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Ala Ala Gly 
1               5                   10                  15      


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
            20                  25                  30          


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
        35                  40                  45              


Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
    50                  55                  60                  


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
65                  70                  75                  80  


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
                85                  90                  95      


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
            100                 105                 110         


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


Cys Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
    130                 135                 140                 


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


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
                165                 170                 175     


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Val Ser Lys Leu Thr Val 
            180                 185                 190         


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
        195                 200                 205             


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
    210                 215                 220                 


Pro Gly Lys 
225         


<210>  11
<211>  227
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG1 Fc-region derived Fc-region polypeptide with a L234A, 
       L235A and S354C, T366W mutations

<400>  11

Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Ala Ala Gly 
1               5                   10                  15      


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
            20                  25                  30          


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
        35                  40                  45              


Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
    50                  55                  60                  


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
65                  70                  75                  80  


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
                85                  90                  95      


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Pro Ala Pro Ile 
            100                 105                 110         


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


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


Leu Trp Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
145                 150                 155                 160 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
                165                 170                 175     


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
            180                 185                 190         


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
        195                 200                 205             


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
    210                 215                 220                 


Pro Gly Lys 
225         


<210>  12
<211>  227
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG1 Fc-region derived Fc-region polypeptide with a P329G 
       mutation

<400>  12

Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly 
1               5                   10                  15      


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
            20                  25                  30          


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
        35                  40                  45              


Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
    50                  55                  60                  


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
65                  70                  75                  80  


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
                85                  90                  95      


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Gly Ala Pro Ile 
            100                 105                 110         


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


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


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


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
                165                 170                 175     


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
            180                 185                 190         


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
        195                 200                 205             


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
    210                 215                 220                 


Pro Gly Lys 
225         


<210>  13
<211>  227
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG1 Fc-region derived Fc-region polypeptide with L234A, 
       L235A mutations and P329G mutation

<400>  13

Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Ala Ala Gly 
1               5                   10                  15      


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
            20                  25                  30          


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
        35                  40                  45              


Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
    50                  55                  60                  


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
65                  70                  75                  80  


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
                85                  90                  95      


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Gly Ala Pro Ile 
            100                 105                 110         


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


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


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


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
                165                 170                 175     


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
            180                 185                 190         


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
        195                 200                 205             


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
    210                 215                 220                 


Pro Gly Lys 
225         


<210>  14
<211>  227
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG1 Fc-region derived Fc-region polypeptide with a P239G 
       mutation and Y349C, T366S, L368A, Y407V mutations

<400>  14

Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly 
1               5                   10                  15      


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
            20                  25                  30          


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
        35                  40                  45              


Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
    50                  55                  60                  


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
65                  70                  75                  80  


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
                85                  90                  95      


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Gly Ala Pro Ile 
            100                 105                 110         


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


Cys Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
    130                 135                 140                 


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


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
                165                 170                 175     


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Val Ser Lys Leu Thr Val 
            180                 185                 190         


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
        195                 200                 205             


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
    210                 215                 220                 


Pro Gly Lys 
225         


<210>  15
<211>  227
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG1 Fc-region derived Fc-region polypeptide with a P329G 
       mutation and S354C, T366W mutation

<400>  15

Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Leu Leu Gly 
1               5                   10                  15      


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
            20                  25                  30          


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
        35                  40                  45              


Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
    50                  55                  60                  


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
65                  70                  75                  80  


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
                85                  90                  95      


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Gly Ala Pro Ile 
            100                 105                 110         


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


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


Leu Trp Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
145                 150                 155                 160 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
                165                 170                 175     


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
            180                 185                 190         


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
        195                 200                 205             


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
    210                 215                 220                 


Pro Gly Lys 
225         


<210>  16
<211>  227
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG1 Fc-region derived Fc-region polypeptide with L234A, 
       L235A, P329G and Y349C, T366S, L368A, Y407V mutations

<400>  16

Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Ala Ala Gly 
1               5                   10                  15      


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
            20                  25                  30          


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
        35                  40                  45              


Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
    50                  55                  60                  


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
65                  70                  75                  80  


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
                85                  90                  95      


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Gly Ala Pro Ile 
            100                 105                 110         


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


Cys Thr Leu Pro Pro Ser Arg Asp Glu Leu Thr Lys Asn Gln Val Ser 
    130                 135                 140                 


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


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
                165                 170                 175     


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Val Ser Lys Leu Thr Val 
            180                 185                 190         


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
        195                 200                 205             


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
    210                 215                 220                 


Pro Gly Lys 
225         


<210>  17
<211>  227
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG1 Fc-region derived Fc-region polypeptide with L234A, 
       L235A, P329G mutations and S354C, T366W mutations

<400>  17

Asp Lys Thr His Thr Cys Pro Pro Cys Pro Ala Pro Glu Ala Ala Gly 
1               5                   10                  15      


Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr Leu Met 
            20                  25                  30          


Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val Ser His 
        35                  40                  45              


Glu Asp Pro Glu Val Lys Phe Asn Trp Tyr Val Asp Gly Val Glu Val 
    50                  55                  60                  


His Asn Ala Lys Thr Lys Pro Arg Glu Glu Gln Tyr Asn Ser Thr Tyr 
65                  70                  75                  80  


Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu Asn Gly 
                85                  90                  95      


Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Ala Leu Gly Ala Pro Ile 
            100                 105                 110         


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


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


Leu Trp Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala Val Glu 
145                 150                 155                 160 


Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr Pro Pro 
                165                 170                 175     


Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Lys Leu Thr Val 
            180                 185                 190         


Asp Lys Ser Arg Trp Gln Gln Gly Asn Val Phe Ser Cys Ser Val Met 
        195                 200                 205             


His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser Leu Ser 
    210                 215                 220                 


Pro Gly Lys 
225         


<210>  18
<211>  229
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG4 Fc-region derived Fc-region polypeptide with S228P and
       L235E mutations

<400>  18

Glu Ser Lys Tyr Gly Pro Pro Cys Pro Pro Cys Pro Ala Pro Glu Phe 
1               5                   10                  15      


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


Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val 
        35                  40                  45              


Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp Gly Val 
    50                  55                  60                  


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


Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu 
                85                  90                  95      


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


Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro 
        115                 120                 125             


Gln Val Tyr Thr Leu Pro Pro Ser Gln Glu Glu Met Thr Lys Asn Gln 
    130                 135                 140                 


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


Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr 
                165                 170                 175     


Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Arg Leu 
            180                 185                 190         


Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser Cys Ser 
        195                 200                 205             


Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser 
    210                 215                 220                 


Leu Ser Leu Gly Lys 
225                 


<210>  19
<211>  229
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG4 Fc-region derived Fc-region polypeptide with S228P, 
       L235E mutations and P329G mutation

<400>  19

Glu Ser Lys Tyr Gly Pro Pro Cys Pro Pro Cys Pro Ala Pro Glu Phe 
1               5                   10                  15      


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


Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val 
        35                  40                  45              


Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp Gly Val 
    50                  55                  60                  


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


Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu 
                85                  90                  95      


Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Gly Leu Gly Ser 
            100                 105                 110         


Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro 
        115                 120                 125             


Gln Val Tyr Thr Leu Pro Pro Ser Gln Glu Glu Met Thr Lys Asn Gln 
    130                 135                 140                 


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


Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr 
                165                 170                 175     


Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Arg Leu 
            180                 185                 190         


Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser Cys Ser 
        195                 200                 205             


Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser 
    210                 215                 220                 


Leu Ser Leu Gly Lys 
225                 


<210>  20
<211>  229
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG4 Fc-region derived Fc-region polypeptide with S354C, 
       T366W mutations

<400>  20

Glu Ser Lys Tyr Gly Pro Pro Cys Pro Ser Cys Pro Ala Pro Glu Phe 
1               5                   10                  15      


Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr 
            20                  25                  30          


Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val 
        35                  40                  45              


Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp Gly Val 
    50                  55                  60                  


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


Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu 
                85                  90                  95      


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


Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro 
        115                 120                 125             


Gln Val Tyr Thr Leu Pro Pro Cys Gln Glu Glu Met Thr Lys Asn Gln 
    130                 135                 140                 


Val Ser Leu Trp Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala 
145                 150                 155                 160 


Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr 
                165                 170                 175     


Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Arg Leu 
            180                 185                 190         


Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser Cys Ser 
        195                 200                 205             


Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser 
    210                 215                 220                 


Leu Ser Leu Gly Lys 
225                 


<210>  21
<211>  229
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG4 Fc-region derived Fc-region polypeptide with Y349C, 
       T366S, L368A, Y407V mutations

<400>  21

Glu Ser Lys Tyr Gly Pro Pro Cys Pro Ser Cys Pro Ala Pro Glu Phe 
1               5                   10                  15      


Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr 
            20                  25                  30          


Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val 
        35                  40                  45              


Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp Gly Val 
    50                  55                  60                  


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


Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu 
                85                  90                  95      


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


Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro 
        115                 120                 125             


Gln Val Cys Thr Leu Pro Pro Ser Gln Glu Glu Met Thr Lys Asn Gln 
    130                 135                 140                 


Val Ser Leu Ser Cys Ala Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala 
145                 150                 155                 160 


Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr 
                165                 170                 175     


Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Val Ser Arg Leu 
            180                 185                 190         


Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser Cys Ser 
        195                 200                 205             


Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser 
    210                 215                 220                 


Leu Ser Leu Gly Lys 
225                 


<210>  22
<211>  229
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG4 Fc-region derived Fc-region polypeptide with a S228P, 
       L235E and S354C, T366W mutations

<400>  22

Glu Ser Lys Tyr Gly Pro Pro Cys Pro Pro Cys Pro Ala Pro Glu Phe 
1               5                   10                  15      


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


Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val 
        35                  40                  45              


Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp Gly Val 
    50                  55                  60                  


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


Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu 
                85                  90                  95      


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


Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro 
        115                 120                 125             


Gln Val Tyr Thr Leu Pro Pro Cys Gln Glu Glu Met Thr Lys Asn Gln 
    130                 135                 140                 


Val Ser Leu Trp Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala 
145                 150                 155                 160 


Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr 
                165                 170                 175     


Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Arg Leu 
            180                 185                 190         


Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser Cys Ser 
        195                 200                 205             


Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser 
    210                 215                 220                 


Leu Ser Leu Gly Lys 
225                 


<210>  23
<211>  229
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG4 Fc-region derived Fc-region polypeptide with a S228P, 
       L235E and Y349C, T366S, L368A, Y407V mutations

<400>  23

Glu Ser Lys Tyr Gly Pro Pro Cys Pro Pro Cys Pro Ala Pro Glu Phe 
1               5                   10                  15      


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


Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val 
        35                  40                  45              


Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp Gly Val 
    50                  55                  60                  


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


Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu 
                85                  90                  95      


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


Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro 
        115                 120                 125             


Gln Val Cys Thr Leu Pro Pro Ser Gln Glu Glu Met Thr Lys Asn Gln 
    130                 135                 140                 


Val Ser Leu Ser Cys Ala Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala 
145                 150                 155                 160 


Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr 
                165                 170                 175     


Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Val Ser Arg Leu 
            180                 185                 190         


Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser Cys Ser 
        195                 200                 205             


Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser 
    210                 215                 220                 


Leu Ser Leu Gly Lys 
225                 


<210>  24
<211>  229
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG4 Fc-region derived Fc-region polypeptide with a P329G 
       mutation

<400>  24

Glu Ser Lys Tyr Gly Pro Pro Cys Pro Ser Cys Pro Ala Pro Glu Phe 
1               5                   10                  15      


Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr 
            20                  25                  30          


Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val 
        35                  40                  45              


Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp Gly Val 
    50                  55                  60                  


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


Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu 
                85                  90                  95      


Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Gly Leu Gly Ser 
            100                 105                 110         


Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro 
        115                 120                 125             


Gln Val Tyr Thr Leu Pro Pro Ser Gln Glu Glu Met Thr Lys Asn Gln 
    130                 135                 140                 


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


Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr 
                165                 170                 175     


Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Arg Leu 
            180                 185                 190         


Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser Cys Ser 
        195                 200                 205             


Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser 
    210                 215                 220                 


Leu Ser Leu Gly Lys 
225                 


<210>  25
<211>  229
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG4 Fc-region derived Fc-region polypeptide with a P239G 
       and Y349C, T366S, L368A, Y407V mutations

<400>  25

Glu Ser Lys Tyr Gly Pro Pro Cys Pro Ser Cys Pro Ala Pro Glu Phe 
1               5                   10                  15      


Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr 
            20                  25                  30          


Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val 
        35                  40                  45              


Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp Gly Val 
    50                  55                  60                  


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


Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu 
                85                  90                  95      


Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Gly Leu Gly Ser 
            100                 105                 110         


Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro 
        115                 120                 125             


Gln Val Cys Thr Leu Pro Pro Ser Gln Glu Glu Met Thr Lys Asn Gln 
    130                 135                 140                 


Val Ser Leu Ser Cys Ala Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala 
145                 150                 155                 160 


Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr 
                165                 170                 175     


Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Val Ser Arg Leu 
            180                 185                 190         


Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser Cys Ser 
        195                 200                 205             


Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser 
    210                 215                 220                 


Leu Ser Leu Gly Lys 
225                 


<210>  26
<211>  229
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG4 Fc-region derived Fc-region polypeptide with a P329G 
       and S354C, T366W mutations

<400>  26

Glu Ser Lys Tyr Gly Pro Pro Cys Pro Ser Cys Pro Ala Pro Glu Phe 
1               5                   10                  15      


Leu Gly Gly Pro Ser Val Phe Leu Phe Pro Pro Lys Pro Lys Asp Thr 
            20                  25                  30          


Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val 
        35                  40                  45              


Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp Gly Val 
    50                  55                  60                  


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


Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu 
                85                  90                  95      


Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Gly Leu Gly Ser 
            100                 105                 110         


Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro 
        115                 120                 125             


Gln Val Tyr Thr Leu Pro Pro Cys Gln Glu Glu Met Thr Lys Asn Gln 
    130                 135                 140                 


Val Ser Leu Trp Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala 
145                 150                 155                 160 


Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr 
                165                 170                 175     


Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Arg Leu 
            180                 185                 190         


Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser Cys Ser 
        195                 200                 205             


Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser 
    210                 215                 220                 


Leu Ser Leu Gly Lys 
225                 


<210>  27
<211>  229
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG4 Fc-region derived Fc-region polypeptide with a S228P, 
       L235E, P329G and Y349C, T366S, L368A, Y407V mutations

<400>  27

Glu Ser Lys Tyr Gly Pro Pro Cys Pro Pro Cys Pro Ala Pro Glu Phe 
1               5                   10                  15      


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


Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val 
        35                  40                  45              


Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp Gly Val 
    50                  55                  60                  


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


Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu 
                85                  90                  95      


Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Gly Leu Gly Ser 
            100                 105                 110         


Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro 
        115                 120                 125             


Gln Val Cys Thr Leu Pro Pro Ser Gln Glu Glu Met Thr Lys Asn Gln 
    130                 135                 140                 


Val Ser Leu Ser Cys Ala Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala 
145                 150                 155                 160 


Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr 
                165                 170                 175     


Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Val Ser Arg Leu 
            180                 185                 190         


Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser Cys Ser 
        195                 200                 205             


Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser 
    210                 215                 220                 


Leu Ser Leu Gly Lys 
225                 


<210>  28
<211>  229
<212>  PRT
<213>  Artificial Sequence

<220>
<223>  human IgG4 Fc-region derived Fc-region polypeptide with a S228P, 
       L235E, P329G and S354C, T366W mutations

<400>  28

Glu Ser Lys Tyr Gly Pro Pro Cys Pro Pro Cys Pro Ala Pro Glu Phe 
1               5                   10                  15      


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


Leu Met Ile Ser Arg Thr Pro Glu Val Thr Cys Val Val Val Asp Val 
        35                  40                  45              


Ser Gln Glu Asp Pro Glu Val Gln Phe Asn Trp Tyr Val Asp Gly Val 
    50                  55                  60                  


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


Thr Tyr Arg Val Val Ser Val Leu Thr Val Leu His Gln Asp Trp Leu 
                85                  90                  95      


Asn Gly Lys Glu Tyr Lys Cys Lys Val Ser Asn Lys Gly Leu Gly Ser 
            100                 105                 110         


Ser Ile Glu Lys Thr Ile Ser Lys Ala Lys Gly Gln Pro Arg Glu Pro 
        115                 120                 125             


Gln Val Tyr Thr Leu Pro Pro Cys Gln Glu Glu Met Thr Lys Asn Gln 
    130                 135                 140                 


Val Ser Leu Trp Cys Leu Val Lys Gly Phe Tyr Pro Ser Asp Ile Ala 
145                 150                 155                 160 


Val Glu Trp Glu Ser Asn Gly Gln Pro Glu Asn Asn Tyr Lys Thr Thr 
                165                 170                 175     


Pro Pro Val Leu Asp Ser Asp Gly Ser Phe Phe Leu Tyr Ser Arg Leu 
            180                 185                 190         


Thr Val Asp Lys Ser Arg Trp Gln Glu Gly Asn Val Phe Ser Cys Ser 
        195                 200                 205             


Val Met His Glu Ala Leu His Asn His Tyr Thr Gln Lys Ser Leu Ser 
    210                 215                 220                 


Leu Ser Leu Gly Lys 
225                 


<210>  29
<211>  105
<212>  PRT
<213>  homo sapiens

<400>  29

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


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


Tyr Pro Gly Ala Val Thr Val Ala Trp Lys Ala Asp Ser Ser Pro Val 
        35                  40                  45              


Lys Ala Gly Val Glu Thr Thr Thr Pro Ser Lys Gln Ser Asn Asn Lys 
    50                  55                  60                  


Tyr Ala Ala Ser Ser Tyr Leu Ser Leu Thr Pro Glu Gln Trp Lys Ser 
65                  70                  75                  80  


His Arg Ser Tyr Ser Cys Gln Val Thr His Glu Gly Ser Thr Val Glu 
                85                  90                  95      


Lys Thr Val Ala Pro Thr Glu Cys Ser 
            100                 105 


<210>  30
<211>  107
<212>  PRT
<213>  Homo sapiens

<400>  30

Arg Thr Val Ala Ala Pro Ser Val Phe Ile Phe Pro Pro Ser Asp Glu 
1               5                   10                  15      


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


Tyr Pro Arg Glu Ala Lys Val Gln Trp Lys Val Asp Asn Ala Leu Gln 
        35                  40                  45              


Ser Gly Asn Ser Gln Glu Ser Val Thr Glu Gln Asp Ser Lys Asp Ser 
    50                  55                  60                  


Thr Tyr Ser Leu Ser Ser Thr Leu Thr Leu Ser Lys Ala Asp Tyr Glu 
65                  70                  75                  80  


Lys His Lys Val Tyr Ala Cys Glu Val Thr His Gln Gly Leu Ser Ser 
                85                  90                  95      


Pro Val Thr Lys Ser Phe Asn Arg Gly Glu Cys 
            100                 105         


