RNA Polymerase IRNA Polymerase IIDNA-Directed RNA PolymerasesPol1 Transcription Initiation Complex ProteinsDNA Polymerase ITranscription, GeneticRNA PhagesRNA, RibosomalColiphagesRNA Polymerase IIIDNA, RibosomalEscherichia coliRNA, ViralBase SequenceCell NucleolusMolecular Sequence DataTemplates, GeneticRNAPromoter Regions, GeneticAmanitinsTranscription FactorsDNA-Directed DNA PolymeraseViral ProteinsSaccharomyces cerevisiaeTerminator Regions, GeneticAmino Acid SequenceBacteriophagesMutationRibosomesPolymerase Chain ReactionPlasmidsTATA-Box Binding ProteinDNATranscriptional Elongation FactorsCell NucleusDNA-Binding ProteinsRNA, Small InterferingNucleolus Organizer RegionRNA ReplicaseProtein BindingRNA, MessengerKineticsHeLa CellsSaccharomyces cerevisiae ProteinsCloning, MolecularRNA, BacterialProtein BiosynthesisRNA, FungalNucleic Acid ConformationBinding SitesSalmonella PhagesRNA SplicingMacromolecular SubstancesDNA Polymerase IIDNA, ViralRNA PrecursorsBacteriophage T7Sigma FactorCell LineDNA, FungalRNA Processing, Post-TranscriptionalDNA ReplicationTranscription Factors, TFIIChromatinPseudomonas PhagesRNA EditingRestriction MappingProtein SubunitsDNA, BacterialDactinomycinDNA Polymerase IIILysogenyGenes, FungalGenesRNA InterferenceRNA VirusesCell-Free SystemSequence Homology, Amino AcidNuclear ProteinsBacterial ProteinsModels, MolecularMolecular WeightNucleotidesStreptococcus PhagesT-PhagesTATA BoxOperonBacillus PhagesRNA NucleotidyltransferasesProtein Structure, TertiaryTemperatureRNA Polymerase Sigma 54Electrophoresis, Polyacrylamide GelRNA, Double-StrandedNucleic Acid HybridizationDNA NucleotidyltransferasesRNA, TransferAcanthamoebaRNA, ProtozoanGene Expression Regulation