LEU 56 * GLU 58 * TRP 185 * ILE 186 * ASN 187 * VAL 188 * PRO 189 * PRO 190 * ALA 191 * GLU 192 * GLU 193 * LYS 194 * ASN 195 * TYR 196 * ALA 197 * TRP 198 * GLY 199 * ALA 205 * VAL 206 * HIS 207 * VAL 208 * SER 209 * PRO 210 * LYS 221 * PHE 313 *