Transcriptional ActivationTranscription FactorsMolecular Sequence DataDNA-Binding ProteinsPromoter Regions, GeneticHeparin Cofactor IITrans-ActivatorsCoenzymesProtein BindingBinding SitesCell LineBase SequenceTranscription, GeneticAmino Acid SequenceTransfectionNuclear ProteinsProtein Structure, TertiaryPteridinesRecombinant Fusion ProteinsGenes, ReporterMutationCOS CellsHeLa CellsGene Expression Regulationtat Gene Products, Human Immunodeficiency VirusPhosphorylationGene Products, tatLuciferasesCell NucleusResponse ElementsDNAPQQ CofactorPlasmidsTumor Suppressor Protein p53Signal TransductionMutagenesis, Site-DirectedRepressor ProteinsHIV Long Terminal RepeatGene Expression Regulation, ViralTumor Cells, CulturedCREB-Binding ProteinMetalloproteinsE1A-Associated p300 ProteinTwo-Hybrid System Techniquesp300-CBP Transcription FactorsRecombinant ProteinsCells, CulturedMolybdenumReceptors, GlucocorticoidChloramphenicol O-AcetyltransferaseHistone AcetyltransferasesSequence Homology, Amino AcidReceptor, Epidermal Growth FactorCell Line, TumorDimerizationProto-Oncogene ProteinsCercopithecus aethiopsKineticsReceptors, AndrogenDNA PrimersReceptors, Retinoic AcidSequence DeletionMolybdoferredoxinReceptors, Cytoplasmic and NuclearTranscription Factor AP-1NF-kappa BRNA, MessengerLigandsModels, MolecularSp1 Transcription FactorImmediate-Early ProteinsStructure-Activity RelationshipBlotting, WesternNuclear Receptor Coactivator 1Retinoid X ReceptorsNuclear Receptor Coactivator 2Adenovirus E1A ProteinsCloning, MolecularProto-Oncogene Proteins c-junBiopterin3T3 CellsElectrophoretic Mobility Shift AssayPterinsNuclear Receptor CoactivatorsAntigens, CD46Precipitin TestsEnzyme ActivationProto-Oncogene Proteins c-mdm2Protein ConformationZinc FingersEnhancer Elements, GeneticTranscription Factor RelASerineSequence AlignmentHomeodomain ProteinsTyrphostinsRegulatory Sequences, Nucleic AcidCarrier ProteinsReceptors, SteroidProtein Isoforms