Repressor ProteinsOperator Regions, GeneticLac RepressorsMolecular Sequence DataTranscription FactorsDNA-Binding ProteinsBase SequenceBacterial ProteinsOperonIsopropyl ThiogalactosideTranscription, GeneticEscherichia coliPromoter Regions, GeneticAmino Acid SequenceProtein BindingGene Expression Regulation, BacterialViral Regulatory and Accessory ProteinsBinding SitesGenes, RegulatorPlasmidsMutationEscherichia coli ProteinsDNA, BacterialDNALysogenyLac OperonZinc FingersGenes, BacterialCloning, MolecularBacteriophage lambdaGene Expression RegulationRecombinant Fusion ProteinsNuclear ProteinsLactoseDNA FootprintingHistone DeacetylasesViral ProteinsEnzyme RepressionTrans-ActivatorsRegulatory Sequences, Nucleic AcidTetracyclineRNA, MessengerElectrophoretic Mobility Shift AssayRestriction MappingColiphagesConsensus SequenceDeoxyribonuclease IProtein Structure, TertiaryTwo-Hybrid System TechniquesGenes, ReporterCell LineCarrier ProteinsDimerizationProtein BiosynthesisProtein ConformationSequence Homology, Amino AcidDrosophila ProteinsMutagenesis, Site-Directedbeta-GalactosidaseSequence AlignmentGene Expression Regulation, FungalTransfectionBasic Helix-Loop-Helix Transcription FactorsHomeodomain ProteinsGene Expression Regulation, DevelopmentalModels, MolecularNucleic Acid ConformationModels, GeneticCell NucleusRecombinant ProteinsHeLa CellsKineticsModels, BiologicalSaccharomyces cerevisiaeTranscriptional ActivationSaccharomyces cerevisiae ProteinsRNA-Binding ProteinsSignal TransductionGene SilencingDrosophilaSequence Homology, Nucleic AcidAlcohol OxidoreductasesPhenotypeTryptophanArabidopsis ProteinsBacillus subtilisGenetic Complementation TestDNA Transposable ElementsGenesChloramphenicol O-AcetyltransferaseInsect ProteinsMutagenesisDNA, ViralStructure-Activity RelationshipCyclic AMP Response Element ModulatorAllosteric RegulationSequence DeletionGene ExpressionDNA PrimersFungal Proteins