Repressor ProteinsEnhancer Elements, GeneticBase SequenceMolecular Sequence DataOperator Regions, GeneticPromoter Regions, GeneticTranscription FactorsTranscription, GeneticLac RepressorsGenes, RegulatorBinding SitesPlasmidsGene Expression RegulationRegulatory Sequences, Nucleic AcidChloramphenicol O-AcetyltransferaseProtein BindingDeoxyribonuclease IAmino Acid SequenceEscherichia coliBacterial ProteinsRepetitive Sequences, Nucleic AcidCell LineMutationTransfectionNuclear ProteinsOperonCloning, MolecularIsopropyl ThiogalactosideDNASequence Homology, Nucleic AcidGene Expression Regulation, DevelopmentalGenes, ReporterGene Expression Regulation, BacterialGentianaViral Regulatory and Accessory ProteinsMink Cell Focus-Inducing VirusesDNA, ViralRecombinant Fusion ProteinsTrans-ActivatorsRestriction MappingGenesRNA, MessengerTranscriptional ActivationHeLa CellsHomeodomain ProteinsGenes, ViralIntronsSimian virus 40Moloney murine leukemia virusCell NucleusGene Expression Regulation, ViralSequence DeletionExonsEscherichia coli ProteinsLac OperonMutagenesis, Site-DirectedPolyubiquitinGenetic VectorsZinc FingersDNA FootprintingModels, GeneticMice, TransgenicTerminal Repeat SequencesOligonucleotide ProbesRNA-Binding ProteinsDNA PrimersGenes, BacterialGene ExpressionLysogenyFactor For Inversion Stimulation ProteinBacteriophage lambdaRNA SplicingProtein BiosynthesisTumor Cells, CulturedTransgenesCells, CulturedAcetyltransferasesLeukemia Virus, MurinePolyomavirusBasic Helix-Loop-Helix Transcription FactorsHistone DeacetylasesChromosomal InstabilityIntegration Host FactorsChromatinViral ProteinsLactoseDNA Mutational AnalysisConserved SequenceOrgan SpecificityEnzyme RepressionChromosome Mappingbeta-GalactosidasePodiatryAlternative SplicingProtein Structure, TertiarySequence AlignmentOligodeoxyribonucleotidesTetracyclineImmunoglobulin kappa-ChainsSequence Homology, Amino Acid