HELIX 1 H VAL A 20 ALA A 26 1 7 SHEET 1 A 5 LYS A 8 THR A 11 0 SHEET 2 A 5 ASN A 2 VAL A 5 -1 SHEET 3 A 5 ALA A 59 LEU A 63 1 SHEET 4 A 5 THR A 36 LEU A 39 -1 SHEET 5 A 5 GLU A 42 VAL A 43 -1 SHEET 1 B 2 SER A 17 ASN A 19 0 SHEET 2 B 2 THR A 53 LYS A 55 -1