HIS 4 * TRP 5 * TYR 7 * TRP 16 * PHE 20 * SER 29 * PRO 30 * LEU 60 * ASN 61 * ASN 62 * GLY 63 * HIS 64 * ALA 65 * PHE 66 * ASN 67 * VAL 68 * GLU 69 * ILE 91 * GLN 92 * PHE 93 * HIS 94 * PHE 95 * HIS 96 * GLU 106 * HIS 107 * GLU 117 * LEU 118 * HIS 119 * LEU 120 * VAL 121 * HIS 122 * ASP 129 * PHE 130 * GLY 131 * LYS 132 * ALA 133 * VAL 134 * GLN 135 * LEU 140 * ALA 141 * VAL 142 * LEU 143 * GLY 144 * TYR 193 * GLY 195 * SER 196 * LEU 197 * THR 198 * THR 199 * PRO 200 * PRO 201 * LEU 202 * LEU 203 * CYS 205 * VAL 206 * TRP 208 * ASN 243 * TRP 244 * ARG 245 *