title: Leucine-zipper motif update.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D002642:Chick Embryo; D004268:DNA-Binding Proteins / Q000235:genetics; D004330:Drosophila; D006801:Humans; D007930:Leucine; D051379:Mice; D008969:Molecular Sequence Data; D011487:Protein Conformation; D051381:Rats; D012689:Sequence Homology, Nucleic Acid
chemical_list: D004268:DNA-Binding Proteins; D007930:Leucine