title: Genetic studies of the lac repressor. V. Repressors which bind operator more tightly generated by suppression and reversion of nonsense mutations.
mesh_terms: D000595:Amino Acid Sequence; D003062:Codon; D004247:DNA; D004265:DNA Helicases; D004926:Escherichia coli / Q000235:genetics; D007763:Lac Operon; D009154:Mutation; D012097:Repressor Proteins / Q000235:genetics*; D014157:Transcription Factors / Q000235:genetics*
chemical_list: D003062:Codon; D012097:Repressor Proteins; D014157:Transcription Factors; D004247:DNA; D004265:DNA Helicases