LEU 31 * ALA 32 * LYS 33 * ILE 34 * ARG 37 * TYR 100 * ASP 101 * CYS 102 * TYR 111 * GLY 139 * GLY 140 * TRP 141 * HIS 142 * HIS 143 * ALA 144 * SER 150 * GLY 151 * PHE 152 * CYS 153 * TYR 154 * TYR 174 * ASP 176 * LEU 177 * ASP 178 * LEU 179 * HIS 180 * HIS 181 * GLY 182 * ASP 183 * GLY 184 * SER 199 * LEU 200 * HIS 201 * GLY 206 * PHE 207 * PHE 208 * PRO 209 * GLY 210 * GLN 263 * LEU 264 * GLY 265 * ALA 266 * ASP 267 * THR 268 * ASP 272 * PRO 273 * MET 274 * CYS 275 * GLY 302 * GLY 303 * GLY 304 * GLY 305 * TYR 306 * TRP 315 * ZN 519 *