HELIX 1 H PHE A 135 ILE A 138 1 4 HELIX 2 H PRO A 165 ASN A 171 1 7 HELIX 3 H PHE A 201 ASN A 207 1 7 SHEET 1 A 2 PHE A 148 LEU A 152 0 SHEET 2 A 2 ILE A 176 GLN A 180 -1 SHEET 1 B 3 LEU A 187 LEU A 195 0 SHEET 2 B 3 LEU A 210 ASP A 218 -1 SHEET 3 B 3 VAL A 224 VAL A 231 -1