DNA-Directed RNA PolymerasesRNA Polymerase IIRNA Polymerase IIIRNA Polymerase ITranscription, GeneticRNAMolecular Sequence DataBase SequenceRNA, ViralTemplates, GeneticPromoter Regions, GeneticPolymerase Chain ReactionDNA-Directed DNA PolymeraseRNA, Small InterferingRNA ReplicaseEscherichia coliRNA, RibosomalAmino Acid SequenceTranscription FactorsRNA, MessengerRNA SplicingAmanitinsRNA, BacterialProtein BindingSigma FactorBinding SitesRNA EditingTranscriptional Elongation FactorsMutationDNANucleic Acid ConformationHeLa CellsSaccharomyces cerevisiaeDNA Polymerase IKineticsRNA VirusesDNA Polymerase IIBacteriophage T7PlasmidsTranscription Factors, TFIIRNA InterferenceViral ProteinsRNA, Double-StrandedRNA Polymerase Sigma 54RNA, FungalDNA Polymerase IIIDNA-Binding ProteinsRNA, Small NuclearCell LineTerminator Regions, GeneticMacromolecular SubstancesCell NucleusRNA Processing, Post-TranscriptionalProtein Structure, TertiaryBacterial ProteinsModels, MolecularCloning, MolecularSaccharomyces cerevisiae ProteinsRNA, TransferDNA, ViralTranscription Factors, GeneralTATA-Box Binding ProteinPol1 Transcription Initiation Complex ProteinsDNA, BacterialRNA PrecursorsT-PhagesSequence Homology, Amino AcidDNA PrimersRNA, CatalyticOperonDNA Polymerase betaRNA CapsChromatinTranscription Factor TFIIBGene Expression Regulation, BacterialPotassium PermanganateRecombinant ProteinsEscherichia coli ProteinsVirus ReplicationProtein SubunitsRNA NucleotidyltransferasesRNA, AntisenseTranscription Factor TFIIIBRNA-Binding ProteinsRNA HelicasesRNA StabilityNucleotidesDNA, RibosomalDNA ReplicationRNA FoldingBacillus subtilisTranscription Factor TFIIDNuclear ProteinsElectrophoresis, Polyacrylamide GelReverse Transcriptase Polymerase Chain ReactionMolecular WeightGene Expression RegulationRNA, UntranslatedTATA BoxRecombinant Fusion Proteins