GLN 30 * SER 32 * LEU 33 * SER 37 * TYR 39 * HIS 40 * PHE 41 * CYS 42 * GLY 43 * GLY 44 * SER 54 * ALA 55 * ALA 56 * HIS 57 * CYS 58 * TYR 59 * LYS 60 * TYR 94 * SER 96 * LEU 99 * ASP 102 * MET 104 * SER 139 * GLY 140 * TRP 141 * GLY 142 * ASN 143 * THR 144 * SER 190 * CYS 191 * GLN 192 * GLY 193 * ASP 194 * SER 195 * GLY 196 * GLY 197 * ILE 212 * VAL 213 * SER 214 * TRP 215 * GLY 216 *