Sequence Homology, Amino AcidAmino Acid SequenceAmino AcidsSequence Homology, Nucleic AcidMolecular Sequence DataCloning, MolecularBase SequenceSequence AlignmentAmino Acid SubstitutionSequence HomologyEscherichia coliDNA, ComplementaryBinding SitesDNAModels, MolecularRestriction MappingMutationProtein Structure, TertiaryGenesProtein ConformationAmino Acids, EssentialRecombinant ProteinsGenes, BacterialAmino Acid MotifsBacterial ProteinsSequence Analysis, DNAAmino Acid Transport SystemsPeptide FragmentsPlasmidsProtein BindingPhylogenyMolecular WeightSpecies SpecificityMutagenesis, Site-DirectedRNA, MessengerSubstrate SpecificityKineticsCell LineNucleic Acid HybridizationConserved SequenceOpen Reading FramesStructure-Activity RelationshipPeptidesRecombinant Fusion ProteinsDNA Restriction EnzymesProteinsCarrier ProteinsGene LibraryElectrophoresis, Polyacrylamide GelProtein Structure, SecondaryDNA, BacterialTranscription, GeneticDNA PrimersPolymerase Chain ReactionMultigene FamilyAmino Acids, AromaticSaccharomyces cerevisiaeLeucineCattleStructural Homology, ProteinAmino Acids, Branched-ChainBlotting, NorthernMembrane ProteinsAmino Acids, SulfurCyanogen BromideTrypsinsrc Homology DomainsChromatography, High Pressure LiquidChromosome MappingTransfectionCodonBlotting, SouthernViral ProteinsPlant ProteinsSequence AnalysisProtein BiosynthesisGene ExpressionGenes, ViralDNA-Binding ProteinsAlanineSequence DeletionMacromolecular SubstancesGenetic Complementation TestSequence Analysis, ProteinMutagenesisBiological EvolutionRepetitive Sequences, Nucleic AcidFungal ProteinsEvolution, MolecularLysineCOS CellsBiological TransportGenes, FungalCrystallography, X-RayChickensCysteineRabbitsRNADNA, ViralTranscription Factors