Sequence Homology, Amino AcidAmino Acid SequenceAmino AcidsMolecular Sequence DataSequence Homology, Nucleic AcidCloning, MolecularBase SequenceSequence AlignmentSequence HomologyAmino Acid SubstitutionDNA, ComplementaryEscherichia coliBinding SitesDNARestriction MappingMutationSequence Analysis, DNAModels, MolecularPhylogenyGenes, BacterialRecombinant ProteinsProtein Structure, TertiaryGenesProtein ConformationBacterial ProteinsSpecies SpecificityAmino Acids, EssentialAmino Acid MotifsPlasmidsProtein BindingMolecular WeightRNA, MessengerPeptide FragmentsSubstrate SpecificityAmino Acid Transport SystemsMutagenesis, Site-DirectedKineticsCell LineOpen Reading FramesConserved SequenceNucleic Acid HybridizationRecombinant Fusion ProteinsGene LibraryStructure-Activity RelationshipProteinsPeptidesDNA, BacterialCarrier ProteinsDNA PrimersElectrophoresis, Polyacrylamide GelDNA Restriction EnzymesTranscription, GeneticProtein Structure, SecondaryPolymerase Chain ReactionMultigene FamilyCattleSaccharomyces cerevisiaeBlotting, NorthernMembrane ProteinsAmino Acids, AromaticLeucineChromosome MappingBlotting, SouthernPlant ProteinsStructural Homology, ProteinAmino Acids, Branched-ChainSequence AnalysisGene ExpressionChromatography, High Pressure LiquidTrypsinCyanogen BromideTransfectionAmino Acids, SulfurCodonDNA-Binding ProteinsViral ProteinsProtein Biosynthesissrc Homology DomainsGenetic Complementation TestGenes, ViralSequence Analysis, ProteinEvolution, MolecularMacromolecular SubstancesBiological EvolutionTranscription FactorsSequence DeletionMutagenesisAlanineFungal ProteinsRepetitive Sequences, Nucleic AcidGenes, FungalCOS CellsChickensCrystallography, X-RayLysineBiological TransportRabbitsRNAPlantsDNA, Viral