OperonRepressor ProteinsGene Expression Regulation, BacterialBacterial ProteinsLac OperonMolecular Sequence DataOperator Regions, GeneticBase SequencerRNA OperonEscherichia coliGenes, BacterialLac RepressorsTranscription, GeneticPromoter Regions, GeneticTranscription FactorsDNA-Binding ProteinsAmino Acid SequenceDNA, BacterialGenes, RegulatorMutationEscherichia coli ProteinsCloning, MolecularBacillus subtilisBinding SitesRNA, BacterialProtein Bindingbeta-GalactosidaseRestriction MappingViral Regulatory and Accessory ProteinsSequence Homology, Amino AcidEnzyme RepressionGene Expression RegulationRegulonGenetic Complementation TestTrans-ActivatorsRecombinant Fusion ProteinsSequence Analysis, DNADNA FootprintingMutagenesis, InsertionalRNA, MessengerIsopropyl ThiogalactosideDNA Transposable ElementsLysogenyMultigene FamilyBacteriophage lambdaSalmonella typhimuriumChromosomes, BacterialLactoseChromosome MappingElectrophoretic Mobility Shift AssaySequence Homology, Nucleic AcidArtificial Gene FusionGenes, ReporterSequence AlignmentGenesRegulatory Sequences, Nucleic AcidGene DeletionPlasmidsCyclic AMP Response Element ModulatorOpen Reading FramesNucleic Acid ConformationTryptophanNuclear ProteinsHelix-Turn-Helix MotifsZinc FingersColiphagesGenome, BacterialArabinoseHistone DeacetylasesHomeodomain ProteinsMutagenesisModels, GeneticProtein BiosynthesisSigma FactorPhenotypePseudomonas putidaDNATranscriptional ActivationProtein Structure, TertiaryDNA PrimersGene Expression Regulation, DevelopmentalDNA-Directed RNA PolymerasesCarrier ProteinsTerminator Regions, GeneticSequence DeletionGalactosidasesKruppel-Like Transcription FactorsDrosophila ProteinsConsensus SequenceMutagenesis, Site-DirectedCell LineMembrane Transport ProteinsDNA Restriction EnzymesBasic Helix-Loop-Helix Transcription FactorsGalactoseVirulenceViral ProteinsSignal TransductionCyclic AMP Receptor ProteinGene Order