Transcriptional Elongation FactorsTranscription Elongation, GeneticTranscription, GeneticPositive Transcriptional Elongation Factor BRNA Polymerase IITranscription FactorsCyclin-Dependent Kinase 9Peptide Elongation FactorsTranscription Factors, GeneralCyclin TDNA-Directed RNA PolymerasesPeptide Chain Elongation, TranslationalMolecular Sequence DataPromoter Regions, GeneticNuclear ProteinsBase SequenceSaccharomyces cerevisiae ProteinsSaccharomyces cerevisiaeRNA, MessengerDichlororibofuranosylbenzimidazolePeptide Elongation Factor 1tat Gene Products, Human Immunodeficiency VirusProtein BindingGene Expression RegulationHeLa CellsMutationAmino Acid SequenceGene Products, tatChromatinHistonesTranscriptional ActivationBinding SitesDNA-Binding ProteinsPeptide Elongation Factor TuGene Expression Regulation, FungalCell LineTemplates, GeneticRepressor ProteinsTranscription Factors, TFIITrans-ActivatorsDNAIsatinChromosomal Proteins, Non-HistoneTerminator Regions, GeneticEscherichia coliPeptide Elongation Factor 2Chromatin ImmunoprecipitationSp1 Transcription FactorTranscription Initiation SiteRNAProtein Structure, TertiaryCell NucleusPlasmidsPhosphorylationHIV Long Terminal RepeatGene Expression Regulation, ViralSarcosineRNA Polymerase IModels, GeneticRNA-Binding ProteinsCloning, MolecularNucleosomesTATA-Box Binding ProteinSequence Homology, Amino AcidNucleic Acid ConformationGenes, ReporterModels, BiologicalUracilTransfectionRecombinant Fusion ProteinsFungal ProteinsTranscription Initiation, GeneticMethylationGene DeletionSignal TransductionTranscription Factor TFIIDElongation Factor 2 KinaseGene Expression Regulation, DevelopmentalCyclinsKineticsBacterial ProteinsRibonucleoproteins, Small NuclearGene Expression Regulation, BacterialGenes, FungalMultiprotein ComplexesCells, CulturedTranscription Factor TFIIHRNA, RibosomalRegulatory Sequences, Nucleic AcidCyclin-Dependent KinasesEscherichia coli ProteinsPhenotypePeptide Elongation Factor GReverse Transcriptase Polymerase Chain ReactionHIV-1TATA BoxSequence AlignmentChromatin Assembly and DisassemblyHistone-Lysine N-MethyltransferaseTranscription Factor AP-1