GLY 27 * MET 28 * THR 29 * HIS 88 * GLY 89 * OCS 130 * GLY 132 * THR 133 * GLU 134 * LEU 135 * ASP 136 * GLY 158 * TYR 159 * TYR 160 * SER 161 * TRP 162 * ASP 209 * ALA 210 * THR 211 * PHE 212 * LYS 215 * THR 497 * HIS 556 * GLY 557 * OCS 598 * ARG 599 * GLY 600 * THR 601 * GLU 602 * LEU 603 * ASP 604 * CYS 605 * GLY 626 * TYR 627 * TYR 628 * SER 629 * TRP 630 * ASP 677 * ALA 678 * THR 679 * PHE 680 * LYS 683 *