Repressor ProteinsBase SequenceAmino Acid SequenceMolecular Sequence DataOperator Regions, GeneticLac RepressorsDNA, ComplementaryCloning, MolecularDNATranscription FactorsTranscription, GeneticDNA-Binding ProteinsEscherichia coliRNA, MessengerPromoter Regions, GeneticBacterial ProteinsOperonSequence Homology, Nucleic AcidIsopropyl ThiogalactosidePlasmidsBinding SitesSequence AlignmentSequence Homology, Amino AcidProtein BindingGene LibraryGene Expression Regulation, BacterialViral Regulatory and Accessory ProteinsMutationRestriction MappingGenes, RegulatorBlotting, NorthernGenesGene Expression RegulationRecombinant Fusion ProteinsEscherichia coli ProteinsCell LineGene ExpressionDNA, BacterialZinc FingersProtein BiosynthesisRecombinant ProteinsBacteriophage lambdaDNA PrimersSequence Analysis, DNAPolymerase Chain ReactionNuclear ProteinsNucleic Acid HybridizationTransfectionCarrier ProteinsLysogenyLac OperonGenes, BacterialChromosome MappingConsensus SequenceProtein ConformationViral ProteinsLactoseRegulatory Sequences, Nucleic AcidDNA FootprintingProtein Structure, TertiaryOligonucleotide ProbesMolecular WeightHistone DeacetylasesOpen Reading FramesEnzyme RepressionGene Expression Regulation, DevelopmentalTrans-ActivatorsReverse Transcriptase Polymerase Chain ReactionInsect ProteinsKineticsMacromolecular SubstancesTetracyclineExpressed Sequence TagsGenes, ReporterMutagenesis, Site-DirectedExonsElectrophoretic Mobility Shift AssayDrosophila ProteinsTwo-Hybrid System TechniquesElectrophoresis, Polyacrylamide GelRNABlotting, SouthernIntronsColiphagesSaccharomyces cerevisiaeHeLa CellsDNA Restriction EnzymesDeoxyribonuclease IHomeodomain ProteinsCell NucleusGenetic VectorsBlotting, WesternPoly AModels, MolecularNucleic Acid ConformationPhylogenybeta-GalactosidaseDimerizationModels, GeneticGene Expression Regulation, Fungal