Chain A ( Y84 G85 R88 E391 Y392 L393 I394 K395 L410 D411 V412 G413 L414 C415 P416 D417 T418 R419 R436 C437 C438 S439 V440 L443 V457 K458 V459 V460 Q466 K467 C468 L469 P470 P471 R472 G473 L474 V475 R476 G477 F509 T510 I511 E512 V513 L520 F540 D541 P542 R543 G544 A545 G546 V547 Y548 H549 A745 S752 E753 Q754 V755 E756 G757 P788 L813 G814 G815 E816 R901 V902 E903 K906 Y907 E908 Y909 N910 V912 P913 F914 R915 E916 G917 T918 P919 A920 S921 W922 T923 W929 W930 P933 Q934 E935 F936 R937 A938 C939 F940 L941 L972 R973 C990 V991 E992 Y1062 T1063 V1064 T1065 D1066 Q1067 S1068 P1069 R1070 L1071 A1072 K1073 E1074 I1075 A1076 I1077 F1081 R1090 )