HELIX 1 H MET A 18 SER A 27 1 10 HELIX 2 H THR A 56 LEU A 66 1 11 HELIX 3 H MET B 18 SER B 27 1 10 HELIX 4 H THR B 56 LEU B 66 1 11 SHEET 1 A 4 ILE A 33 ALA A 40 0 SHEET 2 A 4 ILE A 44 VAL A 53 -1 SHEET 3 A 4 PHE A 4 GLU A 13 -1 SHEET 4 A 4 VAL A 72 LEU A 78 -1 SHEET 1 A 4 ILE B 33 ALA B 40 0 SHEET 2 A 4 ILE B 44 VAL B 53 -1 SHEET 3 A 4 PHE B 4 GLU B 13 -1 SHEET 4 A 4 VAL B 72 LEU B 78 -1