HIS 34 * THR 38 * LEU 39 * PHE 53 * ALA 56 * HIS 57 * THR 58 * VAL 59 * ARG 60 * ASP 61 * HIS 62 * LEU 63 * VAL 64 * GLY 65 * ARG 66 * TRP 67 * ILE 68 * THR 94 * THR 98 * LEU 102 * ARG 160 * LEU 183 * ARG 184 * TYR 185 * GLY 186 * ASN 187 * PRO 188 * TRP 189 * GLU 190 * LYS 191 * ALA 192 * ARG 193 * PRO 194 * MET 224 * PRO 225 * TYR 226 * ASP 227 * THR 228 * PRO 229 * VAL 230 * PRO 231 * VAL 238 * ASN 239 * THR 240 * MET 241 * SER 245 *