Transcriptional ActivationTranscription FactorsDNA-Binding ProteinsPromoter Regions, GeneticTrans-ActivatorsMolecular Sequence DataCell LineTransfectionTranscription, GeneticBase SequenceNuclear ProteinsProtein BindingBinding SitesRecombinant Fusion ProteinsGenes, ReporterProtein Structure, TertiaryCOS CellsAmino Acid Sequencetat Gene Products, Human Immunodeficiency VirusGene Expression RegulationHeLa CellsLuciferasesPhosphorylationGene Products, tatResponse ElementsCell NucleusTumor Suppressor Protein p53DNAHIV Long Terminal RepeatMutationGene Expression Regulation, ViralCREB-Binding ProteinTumor Cells, CulturedSignal TransductionPlasmidsE1A-Associated p300 ProteinRepressor ProteinsReceptors, GlucocorticoidChloramphenicol O-AcetyltransferaseReceptor, Epidermal Growth FactorTwo-Hybrid System Techniquesp300-CBP Transcription FactorsCells, CulturedProto-Oncogene ProteinsReceptors, AndrogenCell Line, TumorHistone AcetyltransferasesReceptors, Retinoic AcidTranscription Factor AP-1Cercopithecus aethiopsNF-kappa BSp1 Transcription FactorImmediate-Early ProteinsSequence DeletionReceptors, Cytoplasmic and NuclearNuclear Receptor Coactivator 1Retinoid X ReceptorsProto-Oncogene Proteins c-junMutagenesis, Site-DirectedDNA PrimersAdenovirus E1A ProteinsNuclear Receptor CoactivatorsRNA, MessengerNuclear Receptor Coactivator 23T3 CellsDimerizationElectrophoretic Mobility Shift AssayBlotting, WesternProto-Oncogene Proteins c-mdm2LigandsPrecipitin TestsTyrphostinsTranscription Factor RelAEnhancer Elements, GeneticZinc FingersRegulatory Sequences, Nucleic AcidGene Products, taxReceptors, SteroidRecombinant ProteinsReceptors, Thyroid HormoneMitogen-Activated Protein KinasesSequence Homology, Amino AcidSerineGlutathione TransferaseProto-Oncogene Proteins c-mybLeucine ZippersHydroxycorticosteroidsProtein IsoformsBasic-Leucine Zipper Transcription FactorsHomeodomain ProteinsEstrogen Receptor alphaStructure-Activity RelationshipCyclic AMP Response Element-Binding ProteinViral ProteinsActive Transport, Cell NucleusBasic Helix-Loop-Helix Leucine Zipper Transcription FactorsHerpes Simplex Virus Protein Vmw65OligodeoxyribonucleotidesApoptosisCloning, Molecular