ASP 21 * ARG 22 * THR 23 * GLY 24 * THR 25 * GLY 26 * THR 27 * LYS 49 * ARG 50 * VAL 51 * PHE 52 * TRP 53 * LYS 54 * GLY 55 * VAL 56 * LEU 57 * GLU 59 * LEU 60 * TRP 62 * PHE 63 * LEU 73 * GLY 77 * VAL 78 * LYS 79 * ILE 80 * TRP 81 * ASP 82 * ALA 83 * ASN 84 * PHE 89 * LEU 103 * TYR 107 * ALA 163 * LEU 164 * PRO 165 * CYS 167 * HIS 168 * GLN 186 * ARG 187 * SER 188 * GLY 189 * ASP 190 * MET 191 * GLY 192 * LEU 193 * GLY 194 * VAL 195 * PRO 196 * PHE 197 * ASN 198 * ILE 199 * ALA 200 * SER 201 * TYR 202 * HIS 228 * ILE 229 * TYR 230 * LEU 231 * ASN 232 * HIS 233 * TYR 273 * THR 278 * ARG 425 * ARG 426 * UMP 557 *