TYR 78 * HIS 79 * HIS 83 * ASN 86 * THR 87 * HIS 119 * ASP 120 * HIS 123 * GLY 125 * VAL 126 * ASN 127 * GLU 148 * THR 189 * ASP 190 * LEU 191 * ALA 192 * TYR 194 * ILE 195 * THR 227 * ALA 228 * CYS 229 * ASP 230 * LEU 231 * SER 232 * ALA 233 * ILE 234 * THR 235 * LYS 236 * ILE 240 * GLN 241 * GLN 242 * ARG 243 * ILE 244 * ALA 245 * GLU 246 * LEU 247 * VAL 248 * ALA 249 * THR 250 * GLU 251 * PHE 252 * PHE 253 * ASP 254 * LYS 260 * LYS 261 * ASN 262 * LYS 263 * ILE 264 * PRO 265 * SER 266 * MET 267 * GLN 268 * VAL 269 * GLY 270 * PHE 271 * ILE 272 * ASP 273 * ALA 274 * ILE 275 * CYS 276 * TYR 280 * CYS 297 * ASN 300 * TRP 304 *