GLU 58 * LEU 59 * GLY 60 * SER 61 * VAL 62 * SER 63 * LYS 64 * THR 65 * TYR 109 * PRO 115 * LEU 116 * GLN 117 * VAL 118 * PRO 119 * ASP 120 * GLU 121 * ARG 145 * LEU 146 * TYR 147 * ALA 148 * ASN 149 * SER 150 * SER 151 * ILE 152 * ARG 201 * VAL 206 * HIS 207 * VAL 208 * SER 209 * PRO 210 * GLY 211 * ALA 212 * LEU 213 * ASP 214 * GLU 216 * ALA 217 * TYR 218 * GLY 219 * VAL 220 * GLU 269 * ALA 284 * LEU 285 * ALA 286 * ALA 287 * ARG 288 * LYS 307 * THR 308 * GLY 309 * ALA 310 * THR 311 * GLY 312 * GLY 313 * PHE 314 * GLY 315 * SER 316 * ASN 335 * TYR 336 * ASN 338 * ARG 341 *