LYS 20 * PRO 21 * LEU 22 * GLY 23 * GLU 24 * GLY 25 * ALA 26 * PHE 27 * GLY 28 * GLN 29 * VAL 30 * VAL 31 * LEU 32 * ALA 33 * LYS 48 * VAL 49 * ALA 50 * VAL 51 * LYS 52 * MET 53 * ASP 65 * LEU 66 * GLU 69 * MET 70 * MET 72 * MET 73 * ILE 76 * ASN 81 * ILE 82 * ILE 83 * ASN 84 * LEU 85 * LEU 86 * TYR 96 * VAL 97 * ILE 98 * VAL 99 * GLU 100 * TYR 101 * ALA 102 * SER 103 * LYS 104 * GLY 105 * ASN 106 * LEU 107 * GLU 109 * LEU 139 * HIS 146 * ALA 151 * ARG 152 * ASN 153 * VAL 154 * LEU 155 * VAL 156 * THR 157 * GLU 158 * LYS 163 * ILE 164 * ALA 165 * ASP 166 * PHE 167 * GLY 168 * LEU 169 * ARG 174 *