Chain A ( Y45 D97 A98 M99 S100 G101 R102 L103 G104 R105 A106 G107 T108 F109 V115 G117 R118 A119 L120 R121 R122 E123 Q124 F125 Q126 D127 C128 F129 S130 Y131 V132 L133 L154 A155 I156 Q206 L207 L208 Q209 D210 P211 K212 V213 M214 R243 P355 F356 K357 T358 K359 D360 S361 S449 D450 Q451 E452 S453 Q454 D455 G456 L457 Y458 K460 Q525 I644 R645 D646 H647 L648 I649 S650 ),  Chain C ( V577 I606 E610 P614 G615 A616 T617 S618 )