Amino AcidsNucleotidesSequence Homology, Amino AcidAmino Acid SequenceCloning, MolecularMolecular Sequence DataAmino Acid SubstitutionBase SequenceEscherichia coliSequence AlignmentSequence Homology, Nucleic AcidMutationAmino Acids, EssentialBinding SitesPolymorphism, Single NucleotideAdenine NucleotidesDNAAmino Acid Transport SystemsKineticsSequence Analysis, DNAAmino Acid MotifsDNA, ComplementaryPhylogenyGuanine NucleotidesMutagenesis, Site-DirectedRestriction MappingModels, MolecularGenes, BacterialProtein ConformationRecombinant ProteinsProtein BindingBacterial ProteinsPlasmidsRNA, MessengerSubstrate SpecificityPurine NucleotidesProtein Structure, TertiaryGenesStructure-Activity RelationshipCodonPeptide FragmentsMolecular WeightCell LineAmino Acids, AromaticAmino Acids, Branched-ChainTranscription, GeneticDNA PrimersSpecies SpecificityOpen Reading FramesLeucinePolymerase Chain ReactionAmino Acids, SulfurPeptidesConserved SequenceElectrophoresis, Polyacrylamide GelProteinsRecombinant Fusion ProteinsDNA, BacterialNucleic Acid ConformationProtein BiosynthesisGenetic VariationCattleAdenosine TriphosphateGuanine Nucleotide Exchange FactorsProtein Structure, SecondaryNucleotides, CyclicSaccharomyces cerevisiaeCarrier ProteinsDNA Restriction EnzymesEvolution, MolecularAlaninePoint MutationChromatography, High Pressure LiquidSequence DeletionPyrimidine NucleotidesMutagenesisViral ProteinsGene LibraryLysineSequence AnalysisHydrolysisIsoleucineBiological TransportAmino Acid Transport Systems, BasicTransfectionChromosome MappingGenes, ViralDNA-Binding ProteinsRNA, ViralTrypsinRNAGenotypeNucleic Acid HybridizationBlotting, NorthernDNA Mutational AnalysisAmino Acids, BasicExonsGlycineMacromolecular SubstancesGlutamine