GLY 18 * THR 19 * TRP 20 * LYS 21 * SER 22 * ASP 43 * CYS 44 * ALA 45 * HIS 46 * VAL 47 * TYR 48 * GLN 49 * ASN 50 * LYS 77 * LEU 78 * TRP 79 * CYS 80 * LEU 108 * ILE 109 * HIS 110 * TRP 111 * THR 113 * PHE 115 * PHE 121 * PHE 122 * SER 159 * ASN 160 * GLN 183 * GLU 185 * TYR 209 * SER 210 * SER 214 * ASP 216 * ARG 217 * PRO 218 * TRP 219 * ILE 260 * LYS 262 * ARG 296 * VAL 297 * CYS 298 * ALA 299 * LEU 300 * LEU 301 * SER 302 * CYS 303 * THR 304 * TYR 309 * PRO 310 * PHE 311 * NAP 631 *