TYR 24 * GLN 25 * ARG 28 * HIS 29 * ALA 31 * SER 32 * ASP 33 * CYS 36 * LYS 40 * ASN 48 * ARG 49 * TYR 50 * ARG 51 * ASP 52 * VAL 53 * SER 54 * PRO 55 * PHE 56 * ASN 72 * LEU 87 * THR 88 * GLN 89 * GLY 90 * LEU 114 * ASN 115 * ARG 116 * GLY 121 * SER 122 * LEU 123 * LYS 124 * CYS 125 * TRP 183 * PRO 184 * ASP 185 * PHE 186 * GLY 187 * HIS 218 * CYS 219 * SER 220 * ALA 221 * GLY 222 * ILE 223 * GLY 224 * ARG 225 * SER 226 * GLY 227 * THR 228 * PHE 229 * ARG 258 * ARG 261 * MET 262 * GLY 263 * LEU 264 * ILE 265 * GLN 266 * THR 267 * GLN 270 *