VAL 75 * ALA 76 * ILE 77 * ARG 78 * ILE 79 * PHE 80 * GLN 81 * GLY 82 * CYS 83 * GLN 84 * PHE 85 * ARG 86 * SER 87 * VAL 88 * GLU 89 * ALA 90 * VAL 91 * ILE 94 * VAL 120 * HIS 121 * GLU 122 * ILE 123 * ILE 124 * TYR 125 * THR 126 * LEU 128 * ALA 129 * MET 132 * VAL 137 * MET 146 * LEU 151 * LEU 154 * PRO 157 * PHE 158 * GLY 159 * ASP 160 * PHE 161 * MET 162 * GLU 163 * PRO 164 * LYS 165 * PHE 166 * ILE 243 * VAL 244 * GLU 246 * HIS 247 * VAL 248 * LEU 250 * LEU 251 * ILE 254 * MET 261 * SER 262 * LEU 263 * HIS 264 * LEU 266 * LEU 267 * GLN 268 * ILE 270 * TYR 271 *