RNA Polymerase IRNA Polymerase IIPol1 Transcription Initiation Complex ProteinsDNA Polymerase IDNA-Directed RNA PolymerasesTranscription, GeneticRNA, RibosomalRNA Polymerase IIIDNA, RibosomalCell NucleolusBase SequenceMolecular Sequence DataTemplates, GeneticRNAPromoter Regions, GeneticEscherichia coliAmanitinsTranscription FactorsRNA, ViralDNA-Directed DNA PolymeraseSaccharomyces cerevisiaeTerminator Regions, GeneticAmino Acid SequenceMutationDNARNA, MessengerPolymerase Chain ReactionCell NucleusKineticsPlasmidsTATA-Box Binding ProteinDNA-Binding ProteinsTranscriptional Elongation FactorsRNA ReplicaseRNA, Small InterferingNucleolus Organizer RegionHeLa CellsProtein BindingRNA, BacterialSaccharomyces cerevisiae ProteinsCell LineRNA, FungalCloning, MolecularNucleic Acid ConformationBinding SitesDNA Polymerase IIDNA ReplicationRNA SplicingMacromolecular SubstancesDactinomycinRNA PrecursorsRNA Processing, Post-TranscriptionalDNA, FungalSigma FactorChromatinProtein SubunitsCell-Free SystemRNA EditingTranscription Factors, TFIIRestriction MappingProtein BiosynthesisGenes, FungalRNA InterferenceBacteriophage T7DNA, BacterialViral ProteinsDNA Polymerase IIIMolecular WeightDNA, ViralBacterial ProteinsNuclear ProteinsNucleotidesGenesModels, MolecularRNA VirusesSequence Homology, Amino AcidElectrophoresis, Polyacrylamide GelGene Expression RegulationT-PhagesTemperatureRNA, TransferRNA NucleotidyltransferasesTATA BoxOperonProtein Structure, TertiaryFungal ProteinsRNA, Double-StrandedNucleic Acid HybridizationRecombinant ProteinsRNA Polymerase Sigma 54RNA, ProtozoanRNA-Binding ProteinsAcanthamoebaDeoxyribonucleotidesDNA PrimersHistonesRNA, Small NuclearDNA NucleotidyltransferasesCycloheximideTrypanosoma brucei brucei