SHEET 1 A 7 ILE A 4 ASP A 5 0 SHEET 2 A 7 GLY A 109 SER A 139 -1 SHEET 3 A 7 GLN A 47 SER A 77 -1 SHEET 4 A 7 GLN A 101 ILE A 105 -1 SHEET 5 A 7 GLU A 14 ALA A 18 0 SHEET 6 A 7 TRP A 39 THR A 40 0 SHEET 7 A 7 GLU A 86 ASP A 92 0