Repressor ProteinsLac RepressorsOperator Regions, GeneticTranscription FactorsDNA-Binding ProteinsMolecular Sequence DataPromoter Regions, GeneticTranscription, GeneticBase SequenceBacterial ProteinsOperonEscherichia coliProtein BindingGene Expression Regulation, BacterialBinding SitesViral Regulatory and Accessory ProteinsAmino Acid SequenceMutationGenes, RegulatorGene Expression RegulationPlasmidsCyclic AMP Response Element ModulatorNuclear ProteinsLac OperonZinc FingersDNA, BacterialLysogenyHistone DeacetylasesHomeodomain ProteinsRecombinant Fusion ProteinsBacteriophage lambdaTrans-ActivatorsEscherichia coli ProteinsGene Expression Regulation, DevelopmentalIsopropyl ThiogalactosideKruppel-Like Transcription FactorsDrosophila ProteinsGenes, ReporterHelix-Turn-Helix MotifsBasic Helix-Loop-Helix Transcription FactorsDNACloning, MolecularDNA FootprintingGenes, BacterialRNA, 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