ARG 6 * GLU 7 * GLU 8 * PHE 12 * ASN 13 * LEU 17 * TYR 21 * TRP 66 * HIS 85 * TYR 88 * CYS 158 * ASP 159 * ARG 160 * TYR 162 * VAL 168 * GLN 172 * HIS 175 * TRP 382 * TYR 385 * GLY 388 * ILE 389 * ASP 392 * GLU 407 * ASN 408 * THR 409 * VAL 410 * HIS 411 * LYS 412 * TRP 413 * ILE 414 * SER 415 * ILE 416 * THR 417 * GLU 418 * ALA 419 * LEU 420 * PHE 422 * ARG 434 * ARG 435 * ALN 436 * CYS 437 * CIR 444 * CYS 445 * ARG 446 * GLY 447 *