title: Origin of PDZ (DHR, GLGF) domains.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D007365:Intercellular Junctions / Q000737:chemistry; D008565:Membrane Proteins / Q000737:chemistry* / Q000145:classification*; D008969:Molecular Sequence Data
chemical_list: D008565:Membrane Proteins