Chain A ( K320 S321 L322 N323 W324 Y325 E326 D327 N328 N329 Y330 K331 A332 L333 F334 G335 G336 N337 G338 P366 R369 I370 K373 A374 K376 P377 R530 D559 I560 D561 N562 V563 E564 R565 T566 N567 K568 D571 Y573 D575 P576 G577 P578 R579 A580 D581 P582 F583 E584 D585 M586 R587 Y588 W590 G591 G592 V628 D629 D630 I631 L633 R634 V635 S637 R638 S639 P641 Y758 Y761 V762 C764 V765 A766 W767 Q768 D769 Y770 E792 E799 P1369 P1370 F1371 G1372 K1373 Y1374 L1377 N1596 K1597 G1598 W1599 H1600 A1601 I1602 S1603 N1633 L1638 T1639 K1640 Q1641 Q1642 L1643 S1644 E1645 V1646 A1647 L1648 M1649 T1650 T1651 S1652 V1653 V1655 F1786 E1789 L1790 F1791 T1792 I1820 D1821 M1822 V1823 K1824 N1825 Q1826 A1827 M1828 A1829 D1830 A1831 L1832 E1833 R1834 F1835 G1836 L1848 V1849 )