Amino Acid SubstitutionAmino Acid SequenceMolecular Sequence DataAmino AcidsSequence Homology, Amino AcidMutationBase SequenceMutagenesis, Site-DirectedCloning, MolecularPoint MutationSequence AlignmentStructure-Activity RelationshipModels, MolecularBinding SitesEscherichia coliProtein ConformationProtein Structure, TertiaryMutation, MissenseSequence Analysis, DNAKineticsRecombinant ProteinsPhylogenyCell LineDNA Mutational AnalysisEvolution, MolecularProtein BindingMutagenesisGenetic VariationBacterial ProteinsCodonAmino Acid MotifsSubstrate SpecificityPlasmidsProtein Structure, SecondarySequence Homology, Nucleic AcidConserved SequencePeptide FragmentsPolymerase Chain ReactionDNADNA PrimersDNA, ComplementaryAlaninePhenotypeAllelesRecombinant Fusion ProteinsPeptidesAmino Acids, EssentialSpecies SpecificityRestriction MappingGlycineLeucineProteinsViral ProteinsAmino Acid Transport SystemsAspartic AcidGenes, BacterialProlineTransfectionEnzyme StabilityLysineArginineCysteineSequence DeletionCricetinaeSaccharomyces cerevisiaeIsoleucineMutant ProteinsValineEpitopesElectrophoresis, Polyacrylamide GelCatalysisDNA, BacterialPolymorphism, GeneticCarrier ProteinsEscherichia coli ProteinsSelection, GeneticExonsViral Envelope ProteinsGenesDNA-Binding ProteinsVirus ReplicationSerineSequence Analysis, ProteinCOS CellsTemperatureRNA, MessengerCercopithecus aethiopsProtein EngineeringPhenylalanineTranscription, GeneticAsparagineThreonineCattleGlutamineGenotypeModels, GeneticMolecular WeightMembrane ProteinsHydrolysisTrypsin