Promoter Regions, GeneticCOUP Transcription Factor IBase SequenceCOUP Transcription Factor IITranscription, GeneticCOUP Transcription FactorsMolecular Sequence DataDNA-Binding ProteinsTranscription FactorsGene Expression RegulationBinding SitesTranscriptional ActivationRegulatory Sequences, Nucleic AcidTATA BoxTransfectionChloramphenicol O-AcetyltransferaseCloning, MolecularSp1 Transcription FactorPlasmidsRNA, MessengerGenes, ReporterHepatocyte Nuclear Factor 4Cell LineDNATranscription Initiation SiteEnhancer Elements, GeneticOperonReceptors, SteroidTATA Box Binding Protein-Like ProteinsMutationResponse ElementsRestriction MappingNuclear ProteinsProtein BindingLuciferasesDeoxyribonuclease IGene Expression Regulation, BacterialDNA-Directed RNA PolymerasesGenes, RegulatorRepressor ProteinsSequence Homology, Nucleic AcidHeLa CellsDNA PrimersDNA FootprintingTrans-ActivatorsElectrophoretic Mobility Shift AssayTumor Cells, CulturedChickensGene Expression Regulation, EnzymologicEscherichia coli5' Flanking RegionIntronsBasic Helix-Loop-Helix Leucine Zipper Transcription FactorsSequence DeletionAmino Acid SequenceGenesSigma FactorBacterial ProteinsGene Expression Regulation, ViralExonsGenes, BacterialRecombinant Fusion ProteinsConsensus SequenceOligodeoxyribonucleotidesGene ExpressionRepetitive Sequences, Nucleic AcidRNA, Small NuclearRNA Polymerase IIHepatocyte Nuclear Factor 1-betaMutagenesis, Site-DirectedCells, CulturedChromosome DeletionDNA MethylationReverse Transcriptase Polymerase Chain ReactionCell NucleusRNA Polymerase III5' Untranslated RegionsChromatinCell Line, TumorReceptors, Cytoplasmic and NuclearPolymerase Chain ReactionOrgan SpecificitySequence AlignmentDNA, BacterialReceptors, Retinoic AcidDNA Mutational AnalysisRecombinant ProteinsHomeodomain ProteinsRetinoid X ReceptorsSequence Analysis, DNAChromosome MappingModels, GeneticOvalbuminAlternative SplicingDNA Restriction EnzymesCarrier ProteinsDNA, ComplementaryChromatin ImmunoprecipitationGene Expression Regulation, DevelopmentalGenes, Fungal