HELIX 1 H ASN A 66 PHE A 76 1 11 HELIX 2 H ASN B 66 ALA B 75 1 10 SHEET 1 A 4 PHE A 14 GLU A 25 0 SHEET 2 A 4 THR A 31 PHE A 39 -1 SHEET 3 A 4 LYS A 45 TRP A 51 -1 SHEET 4 A 4 A 58 LEU A 64 -1 SHEET 1 B 4 PHE B 14 GLU B 25 0 SHEET 2 B 4 THR B 31 PHE B 39 -1 SHEET 3 B 4 LYS B 45 TRP B 51 -1 SHEET 4 B 4 B 58 LEU B 64 -1