GLU 412 * LEU 413 * GLY 414 * SER 415 * VAL 416 * SER 417 * LYS 418 * THR 419 * TYR 463 * PRO 469 * LEU 470 * GLN 471 * VAL 472 * PRO 473 * ASP 474 * TYR 501 * ALA 502 * ASN 503 * SER 504 * ILE 506 * ARG 555 * HIS 561 * VAL 562 * SER 563 * PRO 564 * GLY 565 * ALA 566 * LEU 567 * ASP 568 * ALA 569 * GLU 570 * ALA 571 * TYR 572 * GLY 573 * VAL 574 * GLU 623 * SER 638 * ASP 639 * ASN 640 * LYS 641 * ALA 643 * LEU 644 * ALA 645 * LYS 666 * THR 667 * GLY 668 * ALA 669 * THR 670 * GLY 671 * GLY 672 * PHE 673 * GLY 674 * SER 675 * LYS 693 * ASN 694 * TYR 695 * PRO 696 * ASN 697 * PRO 698 * ARG 700 *