Repressor ProteinsOperator Regions, GeneticLac RepressorsBase SequenceOperonTranscription FactorsMolecular Sequence DataGenes, RegulatorEscherichia coliPromoter Regions, GeneticBinding SitesBacterial ProteinsTranscription, GeneticGene Expression Regulation, BacterialPlasmidsDNA-Binding ProteinsDNA, BacterialProtein BindingMutationGenes, BacterialRecombinant Fusion ProteinsAmino Acid SequenceDNACloning, MolecularViral Regulatory and Accessory ProteinsGene Expression RegulationCyclic AMP Response Element ModulatorNuclear ProteinsLac OperonZinc FingersLysogenyHistone DeacetylasesHomeodomain ProteinsBacteriophage lambdaTrans-ActivatorsEscherichia coli ProteinsGene Expression Regulation, DevelopmentalIsopropyl ThiogalactosideKruppel-Like Transcription FactorsDrosophila ProteinsGenes, ReporterHelix-Turn-Helix MotifsBasic Helix-Loop-Helix Transcription FactorsDNA FootprintingRNA, MessengerProtein Structure, TertiaryTranscriptional ActivationElectrophoretic Mobility Shift AssayCell LineSequence Homology, Amino Acidbeta-GalactosidaseRegulatory Sequences, Nucleic AcidViral ProteinsEnzyme RepressionDrosophilaTransfectionChromatin ImmunoprecipitationGene Expression Regulation, FungalTwo-Hybrid System TechniquesSignal TransductionGene SilencingColiphagesLactoseArabidopsis ProteinsDimerizationSaccharomyces cerevisiae ProteinsRegulonConsensus SequenceSequence AlignmentModels, GeneticHeLa CellsDNA PrimersTetracyclinePhenotypeCo-Repressor ProteinsResponse ElementsArabidopsisDown-RegulationMutagenesis, Site-DirectedCell NucleusGene Expression Regulation, PlantRec A RecombinasesSaccharomyces cerevisiaeCorynebacterium diphtheriaeCarrier ProteinsHistone Deacetylase 1Basic-Leucine Zipper Transcription FactorsBacteriophage muProtein BiosynthesisCell DifferentiationProtein ConformationModels, BiologicalFungal ProteinsNucleic Acid ConformationDeoxyribonuclease ISOS Response (Genetics)Proto-Oncogene Proteins c-bcl-6TryptophanRNA-Binding ProteinsLuciferases