Helix-Loop-Helix MotifsBasic Helix-Loop-Helix Transcription FactorsInhibitor of Differentiation ProteinsHepatocyte Nuclear Factor 3-betaHepatocyte Nuclear Factor 3-gammaHepatocyte Nuclear Factor 3-alphaForkhead Transcription FactorsTranscription FactorsWinged-Helix Transcription FactorsDNA-Binding ProteinsGene Expression Regulation, DevelopmentalMolecular Sequence DataTranscription, GeneticNuclear ProteinsBase SequenceCell DifferentiationRNA, MessengerMice, TransgenicMice, KnockoutPromoter Regions, GeneticT-Lymphocytes, RegulatoryHelix (Snails)Amino Acid SequenceBinding SitesSp1 Transcription FactorGene Expression RegulationProtein BindingTranscriptional ActivationTrans-ActivatorsProtein Structure, SecondaryMutationDNACell LineRepressor ProteinsHomeodomain ProteinsModels, MolecularProtein Structure, TertiaryTranscription Factor AP-1Signal TransductionTransfectionBasic-Leucine Zipper Transcription FactorsCell NucleusTranscription Factor AP-2Genes, ReporterTranscription Factors, TFIIKruppel-Like Transcription FactorsSequence Homology, Amino AcidHeLa CellsCells, CulturedNucleic Acid ConformationChromatin ImmunoprecipitationNerve Tissue ProteinsRecombinant Fusion ProteinsCloning, MolecularYY1 Transcription FactorSTAT3 Transcription FactorTranscription Factor TFIIDPaired Box Transcription FactorsReverse Transcriptase Polymerase Chain ReactionGATA4 Transcription FactorPlasmidsElectrophoretic Mobility Shift AssayMutagenesis, Site-DirectedZinc FingersActivating Transcription Factor 3