HELIX 1 H ASN A 4 ALA A 19 1 16 HELIX 2 H GLU A 24 THR A 48 1 25 HELIX 3 H ASN B 4 LYS B 18 1 15 HELIX 4 H GLU B 24 LYS B 39 1 16 HELIX 5 H ARG B 42 ASN B 47 1 6 HELIX 6 H ASN C 4 ALA C 19 1 16 HELIX 7 H GLU C 24 LYS C 39 1 16 HELIX 8 H ARG C 42 LYS C 46 1 5