HELIX 1 H LEU A 21 GLN A 27 1 7 HELIX 2 H ARG A 42 SER A 49 1 8 HELIX 3 H SER A 61 LYS A 74 1 14 HELIX 4 H SER A 107 GLY A 120 1 14 HELIX 5 H GLU A 135 TYR A 139 1 5 HELIX 6 H LEU A 153 GLU A 159 1 7 SHEET 1 A 7 THR A 79 GLN A 82 0 SHEET 2 A 7 VAL A 54 ASP A 58 1 SHEET 3 A 7 ILE A 33 LEU A 36 1 SHEET 4 A 7 GLY A 97 ILE A 101 1 SHEET 5 A 7 VAL A 126 PHE A 132 1 SHEET 6 A 7 GLY A 183 GLN A 193 -1 SHEET 7 A 7 TRP A 165 LEU A 175 -1