title: Fine structure of the gradient of polarity in the z gene of the lac operon of Escherichia coli.
mesh_terms: D000115:Acetylesterase / Q000096:biosynthesis; D004926:Escherichia coli / Q000378:metabolism; D005815:Genetic Code; D008967:Molecular Biology; D009154:Mutation; D009876:Operon
chemical_list: D000115:Acetylesterase