HoloenzymesDNA-Directed RNA PolymerasesSigma FactorRNA Polymerase IIRNA Polymerase Sigma 54Transcription, GeneticEscherichia coliPromoter Regions, GeneticBase SequenceMolecular Sequence DataPotassium PermanganateBacterial ProteinsTemplates, GeneticCyclic AMP Receptor ProteinRNA Polymerase IIIRNA Polymerase IGene Expression Regulation, BacterialDNA-Directed DNA PolymeraseBacillus subtilisOperonTranscription FactorsDNA, BacterialRNA, BacterialMacromolecular SubstancesEscherichia coli ProteinsRNAProtein BindingDNA FootprintingKineticsBinding SitesGenes, BacterialAmino Acid SequenceNucleic Acid ConformationBacteriophage T4T-PhagesDNA-Binding ProteinsRNA, ViralPlasmidsMutationViral ProteinsModels, MolecularDNA Polymerase IIIPolymerase Chain ReactionTranscriptional ActivationRNA, Small InterferingRNA ReplicaseDNA ReplicationDNA, ViralRNA, RibosomalDNARNA, MessengerAmanitinsRNA SplicingTranscriptional Elongation FactorsRNA EditingSaccharomyces cerevisiaeDNA Polymerase IIProtein ConformationDNA Polymerase ITrans-ActivatorsHeLa CellsTranscription Factors, TFIIRNA VirusesAdenosine TriphosphateBacteriophage T7RNA, FungalProtein SubunitsRNA InterferenceSaccharomyces cerevisiae ProteinsRNA, Double-StrandedCloning, MolecularRNA, Small NuclearTranscription Factors, GeneralRNA Processing, Post-TranscriptionalTerminator Regions, GeneticRNA, TransferRNA, CatalyticTATA-Box Binding ProteinProtein Structure, TertiaryCell NucleusCell LineRNA PrecursorsDNA PrimersPol1 Transcription Initiation Complex ProteinsRecombinant ProteinsRNA NucleotidyltransferasesApoenzymesElectrophoresis, Polyacrylamide GelMolecular WeightDNA Polymerase betaChromatinRNA CapsTranscription Factor TFIIBTranscription Factor TFIIDVirus ReplicationNucleotidesSubstrate SpecificityRNA, AntisenseCyclin-Dependent Kinase 8Transcription Factor TFIIIB