HELIX 1 H GLU A 30 ALA A 47 1 18 HELIX 2 H ILE A 109 ASN A 123 1 15 SHEET 1 A 7 GLN A 6 LEU A 14 0 SHEET 2 A 7 GLY A 95 ILE A 103 -1 SHEET 3 A 7 ARG A 148 SER A 152 -1 SHEET 4 A 7 ALA A 131 TYR A 135 -1 SHEET 5 A 7 PHE A 58 TYR A 61 -1 SHEET 6 A 7 GLU A 70 GLU A 72 -1 SHEET 7 A 7 ARG A 23 GLN A 25 -1 SHEET 1 B 3 PHE A 75 PRO A 76 0 SHEET 2 B 3 PRO A 18 ILE A 22 -1 SHEET 3 B 3 VAL A 87 LEU A 91 -1