Repressor ProteinsOperator Regions, GeneticLac RepressorsTranscription FactorsMolecular Sequence DataDNA-Binding ProteinsBacterial ProteinsBase SequenceTranscription, GeneticPromoter Regions, GeneticOperonGene Expression Regulation, BacterialGenes, RegulatorEscherichia coliAmino Acid SequenceProtein BindingIsopropyl ThiogalactosideBinding SitesMutationViral Regulatory and Accessory ProteinsPlasmidsEscherichia coli ProteinsGene Expression RegulationDNA, BacterialGenes, BacterialNuclear ProteinsCloning, MolecularRecombinant Fusion ProteinsDNAZinc FingersTrans-ActivatorsLac OperonRNA, MessengerLysogenySignal TransductionBacteriophage lambdaCell LineDNA FootprintingProtein Structure, TertiaryElectrophoretic Mobility Shift AssayHistone DeacetylasesSequence Homology, Amino AcidLactoseCarrier ProteinsGene Expression Regulation, DevelopmentalTwo-Hybrid System TechniquesRegulatory Sequences, Nucleic AcidDrosophila ProteinsViral ProteinsEnzyme RepressionGenes, ReporterTransfectionSequence AlignmentGene Expression Regulation, FungalConsensus SequenceHomeodomain ProteinsRestriction MappingTetracyclineDimerizationBasic Helix-Loop-Helix Transcription FactorsMutagenesis, Site-DirectedProtein BiosynthesisDeoxyribonuclease Ibeta-GalactosidaseModels, BiologicalColiphagesHeLa CellsCell NucleusPhenotypeProtein ConformationTranscriptional ActivationRecombinant ProteinsArabidopsis ProteinsCells, CulturedModels, MolecularSaccharomyces cerevisiae ProteinsSaccharomyces cerevisiaeRNA-Binding ProteinsCystic Fibrosis Transmembrane Conductance RegulatorDrosophilaModels, GeneticGene SilencingGenetic Complementation TestKineticsPhosphorylationArabidopsisGene ExpressionCell DifferentiationDNA PrimersNucleic Acid ConformationReverse Transcriptase Polymerase Chain ReactionMutagenesisBacillus subtilisFungal ProteinsSequence Homology, Nucleic AcidBlotting, WesternSequence DeletionDNA Transposable ElementsCell Line, TumorInsect Proteins