title: Mutants that make more lac repressor.
mesh_terms: D004926:Escherichia coli / Q000378:metabolism*; D005796:Genes; D005827:Genetics, Microbial; D009154:Mutation; D012329:RNA, Bacterial / Q000096:biosynthesis; D012333:RNA, Messenger / Q000096:biosynthesis; D013489:Suppression, Genetic
chemical_list: D012329:RNA, Bacterial; D012333:RNA, Messenger