Enhancer Elements, GeneticBase SequencePromoter Regions, GeneticMolecular Sequence DataTranscription, GeneticTranscription FactorsDNA-Binding ProteinsRegulatory Sequences, Nucleic AcidGene Expression RegulationBinding SitesGenes, RegulatorChloramphenicol O-AcetyltransferaseResponse ElementsCell LineDNA Transposable ElementsNuclear ProteinsPlasmidsTransfectionRepetitive Sequences, Nucleic AcidDeoxyribonuclease IGenes, ReporterIntronsSequence Homology, Nucleic AcidDNARestriction MappingTranscriptional ActivationGene Expression Regulation, DevelopmentalHomeodomain ProteinsCloning, MolecularMutationHeLa CellsRNA, MessengerProtein BindingTrans-ActivatorsHIV EnhancerMice, TransgenicLuciferasesRepressor ProteinsGenesSequence DeletionDrosophila ProteinsConserved SequenceDNA FootprintingExonsGlobinsRecombinant Fusion ProteinsTumor Cells, CulturedDrosophilaSimian virus 40Amino Acid SequenceOrgan SpecificityCell NucleusCCAAT-Enhancer-Binding ProteinsDNA PrimersGene Expression Regulation, ViralDNA, ViralGenes, ViralChromosome DeletionOligodeoxyribonucleotidesDNA Mutational AnalysisCells, CulturedOligonucleotide ProbesConsensus SequenceChromatinDrosophila melanogasterbeta-GalactosidaseTransgenesGene Expression Regulation, EnzymologicModels, GeneticElectrophoretic Mobility Shift AssayAnimals, Genetically ModifiedLac OperonSp1 Transcription FactorChromosome Mapping3T3 CellsMutagenesis, Site-DirectedTrace ElementsFinite Element AnalysisGene ExpressionGenes, InsectElementsGenes, ImmunoglobulinRegulatory Elements, TranscriptionalImmunoglobulin Heavy ChainsInsect HormonesSequence AlignmentHigh Mobility Group ProteinsCell DifferentiationChromatin ImmunoprecipitationBasic Helix-Loop-Helix Transcription FactorsErythroid-Specific DNA-Binding FactorsAlu ElementsTranscription Factor AP-2Immunoglobulin kappa-ChainsGenetic VectorsAdenovirus Early ProteinsRNA Splicing5' Flanking RegionProto-Oncogene Proteins c-junDNA, Recombinant