ARG 15 * LEU 46 * VAL 48 * LYS 60 * HIS 61 * TYR 62 * LYS 63 * ILE 64 * ARG 65 * TYR 73 * ILE 74 * THR 75 * SER 76 * ARG 77 * THR 78 * TYR 90 * HIS 93 * ALA 94 * ASP 95 * GLY 96 * LEU 97 * CYS 98 * HIS 99 * PTH 107 * GLU 108 * LYS 116 * ILE 117 * THR 118 * GLU 121 * GLU 140 *