HIS 12 * VAL 13 * HIS 14 * LEU 15 * ASP 16 * GLY 17 * ALA 18 * ILE 19 * MET 49 * LEU 55 * PRO 56 * ASP 57 * PHE 58 * LEU 59 * ALA 60 * LYS 61 * PHE 62 * ASP 63 * TYR 64 * TYR 65 * MET 66 * VAL 97 * ARG 98 * TYR 99 * SER 100 * PRO 101 * HIS 102 * LEU 103 * LEU 104 * PRO 111 * PRO 113 * TRP 114 * ILE 148 * LEU 149 * CYS 150 * CYS 151 * MET 152 * ARG 153 * HIS 154 * GLN 155 * TRP 158 * ASP 178 * LEU 179 * ALA 180 * GLY 181 * ASP 182 * GLU 183 * HIS 211 * GLU 214 * VAL 215 * HIS 235 * CYS 259 * SER 262 * SER 263 * THR 266 * THR 291 * ASP 292 * ASP 293 * PRO 294 * LEU 295 * ILE 296 * PHE 297 *