HELIX 1 H A 669 LYS A 679 1 11 HELIX 2 H THR A 707 ARG A 718 1 12 HELIX 3 H B 669 LYS B 679 1 11 HELIX 4 H THR B 707 ARG B 718 1 12 SHEET 1 A 4 ASN A 683 LYS A 692 0 SHEET 2 A 4 ILE A 695 VAL A 704 -1 SHEET 3 A 4 PHE A 655 GLU A 664 -1 SHEET 4 A 4 VAL A 723 LEU A 729 -1 SHEET 1 A 4 ASN B 683 LYS B 692 0 SHEET 2 A 4 ILE B 695 VAL B 704 -1 SHEET 3 A 4 PHE B 655 GLU B 664 -1 SHEET 4 A 4 VAL B 723 ARG B 728 -1