Chain A ( T516 K517 W564 N567 I568 I569 D570 L571 V572 K573 K574 Y575 I576 L577 A578 L579 W580 N581 E582 G583 Y584 I585 M586 G587 I589 K591 E594 R595 I597 L598 K601 P602 P603 G604 T605 F606 L607 L608 R609 F610 S611 E612 S613 S614 K615 E616 G617 G618 V619 T620 F621 T622 W623 V624 E625 I634 Q635 S636 V637 E638 P639 Y640 T641 K642 Q643 Q644 L645 N646 N647 M648 S649 F650 A651 E652 I653 I654 M655 G656 Y657 K658 I659 M660 D661 I665 L666 V667 S668 P669 L670 V671 Y672 L673 Y674 P675 I677 K679 E680 A682 F683 G684 Y686 C687 R688 E690 E693 K707 K709 F710 I711 C712 V713 T714 P715 T716 T717 P725 M726 P728 T730 L731 D732 S733 L734 M735 Q736 )