GLU 58 * LEU 59 * GLY 60 * SER 61 * VAL 62 * SER 63 * LYS 64 * TYR 109 * PRO 115 * LEU 116 * GLN 117 * VAL 118 * TYR 147 * ALA 148 * ASN 149 * SER 150 * ILE 152 * TYR 200 * ARG 201 * GLU 202 * VAL 208 * LEU 213 * ASP 214 * GLU 216 * ALA 217 * TYR 218 * GLY 219 * GLU 269 * ILE 281 * ALA 282 * LEU 283 * LYS 305 * THR 306 * GLY 307 * ALA 308 * THR 309 * GLY 310 * GLY 311 * PHE 312 * GLY 313 * SER 314 * TYR 315 * LYS 332 * ASN 333 * TYR 334 * PRO 335 * ASN 336 * PRO 337 * ARG 339 * VAL 340 *