ILE 28 * VAL 29 * LEU 45 * ARG 47 * GLU 52 * LEU 53 * LEU 54 * CYS 55 * GLY 56 * THR 67 * ALA 68 * ALA 69 * HIS 70 * CYS 71 * LEU 72 * TYR 74 * TRP 77 * LYS 79 * PHE 81 * ARG 95 * TYR 117 * LEU 123 * ASP 126 * VAL 165 * THR 166 * GLY 167 * TRP 168 * GLY 169 * ASN 170 * LEU 171 * LYS 172 * GLU 173 * GLY 175 * GLN 176 * VAL 183 * LEU 185 * PHE 206 * CYS 207 * ALA 208 * GLY 209 * GLY 218 * ASP 219 * ALA 220 * CYS 221 * GLU 222 * GLY 223 * ASP 224 * SER 225 * GLY 226 * GLY 227 * ILE 244 * VAL 245 * SER 246 * TRP 247 * GLY 248 * GLU 249 * GLY 250 * CYS 251 * ASP 252 * ARG 253 * LYS 256 * TYR 257 * GLY 258 * PHE 259 * TYR 260 * THR 261 * PRO 278 * GLY 279 * GLY 280 * GLY 281 * GLY 282 * TYR 284 *