Prokaryotic CellsGenes, OverlappingProkaryotic Initiation FactorsGenes, ArchaealGenome, ArchaealGenome, BacterialCodon, InitiatorMolecular Sequence DataGenes, BacterialBase SequenceDNA-Directed DNA PolymeraseBacteriaPolymerase Chain ReactionRNA Polymerase IIEscherichia coliOpen Reading FramesGene Transfer, HorizontalAmino Acid SequencePhylogenyComputational BiologyEvolution, MolecularDNA-Directed RNA PolymerasesDNA Polymerase ISoftwareGenesDNA Polymerase IIAlgorithmsDNA Polymerase IIIRNA Polymerase ITranscription, GeneticRNA Polymerase IIIDNA Polymerase betaBacterial ProteinsTemplates, GeneticArchaeaEukaryotic CellsCloning, MolecularDNA, BacterialDNASequence Homology, Amino AcidSequence AlignmentMutationDNA ReplicationRNA-Directed DNA PolymeraseRNA ReplicasePromoter Regions, GeneticBinding SitesModels, MolecularDNA PrimersSequence Analysis, DNAKineticsEscherichia coli ProteinsPlasmidsReverse Transcriptase Polymerase Chain ReactionDNA, ViralProtein Structure, TertiaryRNA, MessengerPoly(ADP-ribose) PolymerasesSaccharomyces cerevisiaeProtein BindingViral ProteinsNucleic Acid ConformationRecombinant ProteinsTranscription FactorsDNA-Binding ProteinsRNABacteriophage T7Substrate SpecificityRNA, BacterialSpecies SpecificityArchaeal ProteinsRNA, ViralGene Expression Regulation, BacterialPolynucleotide AdenylyltransferaseNucleotidesProtein ConformationOperonConserved SequenceRNA, RibosomalGenomicsCell LineCrystallography, X-RayRNA NucleotidyltransferasesSequence Homology, Nucleic AcidSigma FactorHeLa CellsRestriction MappingRecombinant Fusion ProteinsDNA PrimaseExonucleasesAmanitinsMacromolecular SubstancesElectrophoresis, Polyacrylamide GelModels, GeneticMolecular WeightMutagenesisT-PhagesDNA RepairEukaryotaBacillus subtilis