HELIX 1 H VAL A 7 A 20 1 14 HELIX 2 H LYS A 26 GLN A 43 1 18 HELIX 3 H ASN A 49 ARG A 68 1 20 HELIX 4 H VAL B 7 B 20 1 14 HELIX 5 H LYS B 26 VAL B 42 1 17 HELIX 6 H ASN B 49 ARG B 68 1 20