title: lac Repressor-operator interaction. VI. The natural inducer of the lac operon.
mesh_terms: D002247:Carbon Isotopes; D002845:Chromatography; D004926:Escherichia coli; D005696:Galactosidases; D007785:Lactose; D008967:Molecular Biology; D009876:Operon; D013237:Stereoisomerism
chemical_list: D002247:Carbon Isotopes; D005696:Galactosidases; D007785:Lactose