ILE 28 * CYS 29 * GLY 30 * SER 31 * GLY 32 * LEU 33 * GLY 75 * ARG 76 * PHE 77 * HIS 78 * MET 79 * TYR 80 * GLU 81 * VAL 105 * THR 106 * ASN 107 * ALA 108 * ALA 109 * GLY 110 * GLY 111 * LEU 112 * LEU 130 * TYR 184 * VAL 185 * MET 186 * LEU 187 * GLY 188 * GLY 189 * PRO 190 * ASN 191 * PHE 192 * GLU 193 * THR 194 * GLU 197 * CYS 198 * LEU 201 * ALA 208 * VAL 209 * GLY 210 * MET 211 * SER 212 * THR 213 * VAL 214 * PRO 215 * GLU 216 * PHE 230 * SER 231 * LEU 232 * ILE 233 * THR 234 * ASN 235 * LYS 236 * VAL 237 * ILE 238 * LYS 242 * ALA 243 * ASN 244 * HIS 245 * GLU 246 * GLU 247 * VAL 248 * LEU 249 * ALA 251 * GLY 252 *