ASN 249 * PRO 251 * SER 278 * VAL 279 * LEU 284 * PHE 289 * TYR 290 * ALA 291 * LEU 292 * GLY 293 * GLU 294 * GLY 295 * ASP 296 * LYS 297 * VAL 298 * LYS 299 * CYS 300 * CYS 303 * GLY 304 * GLY 305 * GLY 306 * LEU 307 * THR 308 * ASP 309 * TRP 310 * LYS 311 * PRO 312 * SER 313 * GLU 314 * ASP 315 * PRO 316 * TRP 317 * GLU 318 * GLN 319 * HIS 320 * ALA 321 * LYS 322 * TRP 323 * TYR 324 * PRO 325 * HIS 346 *