Positive Transcriptional Elongation Factor BTranscriptional Elongation FactorsRNA Polymerase IICyclin-Dependent Kinase 9Peptide Elongation FactorsCyclin TPeptide Elongation Factor 1Complement Factor BTranscription Elongation, GeneticPeptide Elongation Factor TuTranscription, GeneticDichlororibofuranosylbenzimidazolePeptide Elongation Factor 2DNA-Directed RNA Polymerasestat Gene Products, Human Immunodeficiency VirusGene Products, tatPeptide Elongation Factor GTranscription FactorsHeLa CellsRNA Polymerase IRNA Polymerase IIIMolecular Sequence DataGTP Phosphohydrolase-Linked Elongation FactorsPromoter Regions, GeneticProtein BindingElongation Factor 2 KinasePeptide Chain Elongation, TranslationalRNABase SequenceTranscription Factors, GeneralRNA-Binding ProteinsCyclinsNuclear ProteinsHIV Long Terminal RepeatRNA, Small NuclearEscherichia coliTemplates, GeneticAmino Acid SequenceTranscriptional ActivationRNA, MessengerRibonucleoproteins, Small NuclearGene Expression Regulation, ViralCyclin-Dependent KinasesProtein Structure, TertiaryRNA, ViralSaccharomyces cerevisiaeCell LineMutationHistonesSaccharomyces cerevisiae ProteinsHIV-1PhosphorylationComplement C2ChromatinTranscription Factors, TFIIRNA, Transfer, Amino AcylPolymerase Chain ReactionGuanosine TriphosphateRNA SplicingRNA, RibosomalBinding SitesRNA ReplicaseDNA-Directed DNA PolymeraseRNA, Small InterferingRibosomesRNA, TransferDysautonomia, FamilialRNA, BacterialGene Expression RegulationDNA-Binding ProteinsKinetics