HELIX 1 H ALA A 54 ALA A 60 1 7 HELIX 2 H PRO A 105 LEU A 112 1 8 HELIX 3 H THR A 123 GLU A 136 1 14 SHEET 1 A 3 VAL A 14 ALA A 16 0 SHEET 2 A 3 ILE A 22 VAL A 24 -1 SHEET 3 A 3 VAL A 27 PHE A 29 -1 SHEET 1 B 5 ALA A 42 SER A 43 0 SHEET 2 B 5 ILE A 33 PHE A 35 -1 SHEET 3 B 5 VAL A 140 LEU A 144 -1 SHEET 4 B 5 VAL A 91 GLY A 95 1 SHEET 5 B 5 GLY A 117 MET A 121 1