Chain A ( F133 R134 P135 T136 I137 Q138 R139 G140 V374 N378 E380 I537 E538 K539 P540 C541 K542 E543 A544 M545 T546 D589 V591 L656 H659 A660 N661 S662 G663 R664 A692 A693 H694 G695 I696 S697 S698 N699 W700 V701 Y707 Y708 L709 I710 S712 S714 D719 P723 T731 L738 I739 W741 V759 L760 H761 L762 T763 L764 F765 E786 A787 L788 G789 K790 V791 S792 L793 P794 L808 L809 Y810 L811 W812 T813 S814 S815 H816 T817 N818 G828 Y829 V830 M831 E832 R833 I834 V835 L836 Q837 Q953 F978 V979 Q980 A981 L982 K983 Y984 E985 I986 Y987 L988 S990 W1012 L1013 L1014 K1015 D1016 A1017 L1018 H1019 D1020 V1021 Q1022 F1023 S1024 T1025 R1026 Y1027 E1028 H1029 R1144 R1179 I1338 P1339 S1340 G1341 L1342 P1343 T1346 )