GLN 78 * ARG 79 * ARG 105 * LEU 172 * PHE 174 * LEU 195 * PHE 196 * LYS 197 * VAL 198 * ARG 199 * GLU 200 * SER 201 * GLY 202 * SER 203 * LEU 204 * SER 205 * PRO 206 * GLU 207 * HIS 208 * VAL 211 * ASP 229 * LEU 233 *