helix_turn_helix
A motif comprising two helices separated by a turn.
SO:0001114
peptide_helix
has_part
SO:0001128
polypeptide_turn_motif
has_part
SO:0001079
polypeptide_structural_motif
is_a
HTH
related
helix turn helix
exact
helix-turn-helix
exact