tRNA MethyltransferasesRNA, Transfer, TyrBase SequenceRNA, MessengerNucleic Acid HybridizationAmino AcidsDNAEscherichia coliSequence Homology, Amino AcidEscherichia coli ProteinsRNAAmino Acid SequenceCloning, MolecularRNA, ViralRNA, Small InterferingAmino Acid SubstitutionMolecular Sequence DataMutationEscherichia coli InfectionsRNA, BacterialRNA SplicingRNA EditingBacterial ProteinsKineticsPlasmidsBinding SitesRNA, RibosomalGenes, BacterialRNA, TransferGene Transfer TechniquesModels, MolecularRNA, Transfer, ValRecombinant ProteinsSequence AlignmentDNA-Directed RNA PolymerasesMutagenesis, Site-DirectedValineAmino Acids, EssentialAmino Acid Transport SystemsProtein ConformationProtein BindingDNA, BacterialAmino Acid MotifsSubstrate SpecificitySequence Homology, Nucleic AcidEscherichia coli O157Protein Structure, TertiaryGene Transfer, HorizontalDNA, ComplementaryStructure-Activity RelationshipRNA VirusesCell LineMolecular WeightRestriction MappingRNA InterferenceLeucinePeptide FragmentsEmbryo TransferSequence Analysis, DNAPhylogenyRecombinant Fusion ProteinsElectrophoresis, Polyacrylamide GelNucleic Acid ConformationCarrier ProteinsRNA, Double-StrandedDNA PrimersGenesTranscription, GeneticPeptidesSpecies SpecificityProtein BiosynthesisRNA, CatalyticAmino Acids, AromaticAmino Acids, Branched-ChainIsoleucineProtein Structure, SecondaryPolymerase Chain ReactionRNA Polymerase IIRNA, FungalRNA FoldingCattleConserved SequenceGene Expression Regulation, BacterialEscherichia coli K12AlanineAmino Acids, SulfurTemperatureBiological TransportGene ExpressionMethionineProteinsRNA HelicasesGenetic VectorsOpen Reading FramesTransfectionSaccharomyces cerevisiaeRNA Processing, Post-TranscriptionalMembrane ProteinsMutagenesisGenetic Complementation Test