TRP 18 * ASN 26 * SER 28 * PRO 29 * VAL 30 * GLY 33 * ALA 34 * TYR 35 * GLY 36 * SER 37 * VAL 38 * CYS 39 * ALA 40 * ALA 41 * ARG 49 * VAL 50 * ALA 51 * VAL 52 * LYS 53 * LYS 54 * LEU 55 * GLU 71 * LEU 72 * LEU 74 * LEU 75 * LYS 76 * VAL 83 * ILE 84 * GLY 85 * LEU 86 * LEU 87 * ASP 88 * VAL 89 * PHE 90 * VAL 102 * TYR 103 * LEU 104 * VAL 105 * THR 106 * HIS 107 * LEU 108 * MET 109 * GLY 110 * ALA 111 * ASP 112 * LEU 113 * ASN 114 * ASN 115 * ILE 116 * HIS 148 * LYS 152 * PRO 153 * SER 154 * ASN 155 * LEU 156 * ALA 157 * VAL 158 * ASN 159 * GLU 160 * GLU 163 * LEU 164 * LYS 165 * ILE 166 * LEU 167 * ASP 168 * PHE 169 * LEU 171 *