ARG 83 * HIS 84 * TRP 159 * VAL 160 * TYR 161 * GLU 162 * GLU 163 * GLU 164 * VAL 165 * PHE 166 * SER 167 * ALA 168 * TYR 214 * ARG 314 * PHE 315 * ARG 316 * ASP 503 * VAL 504 * TYR 505 * ALA 506 * GLY 507 * PRO 508 * CYS 509 * SER 510 * LYS 512 * TYR 543 * LEU 556 * GLU 560 * TRP 585 * GLY 586 * TRP 587 * SER 588 * TYR 589 * GLY 590 * GLY 591 * TYR 592 * VAL 593 * VAL 611 * ALA 612 * PRO 613 * VAL 614 * SER 615 * ARG 616 * TRP 617 * TYR 619 * TYR 620 * ASP 621 * VAL 623 * TYR 624 * THR 625 * ARG 627 * TYR 628 * HIS 662 * ASP 666 * ASP 667 * ASN 668 * VAL 669 * HIS 670 * GLN 673 * HIS 698 * GLY 699 *