VAL 64 * GLY 65 * ARG 66 * TRP 67 * ILE 68 * ARG 69 * THR 70 * GLN 71 * GLN 72 * HIS 73 * TYR 74 * TYR 75 * GLU 76 * LYS 77 * ARG 81 * TYR 83 * TYR 155 * TYR 157 * ARG 193 * GLU 195 * PHE 196 * THR 197 * LEU 198 * PRO 225 * ASP 227 * VAL 238 * THR 240 * ARG 242 * TRP 244 * ALA 302 * THR 303 * GLN 305 * ASP 306 * ILE 307 * ILE 308 * ARG 309 * ARG 310 * PHE 311 * LYS 312 * SER 313 * SER 314 * LYS 315 *