VAL 439 * ASP 440 * GLY 441 * ALA 442 * ALA 443 * ARG 445 * LYS 451 * ASN 471 * GLN 472 * THR 474 * GLU 475 * LEU 476 * THR 494 * ASP 495 * SER 496 * GLN 497 * TYR 498 * ALA 499 * LEU 500 * TRP 532 * VAL 533 * PRO 534 * ALA 535 * HIS 536 * LYS 537 * ASN 542 * GLU 543 * VAL 545 * ASP 546 * LYS 547 * VAL 549 * SER 550 * ILE 553 * ARG 554 * MN 955 * MN 956 *