VertebratesAmino Acid SequenceMolecular Sequence DataSequence Homology, Amino AcidSequence AlignmentAmino Acid SubstitutionAmino AcidsModels, MolecularMutagenesis, Site-DirectedBinding SitesProtein ConformationMutationBase SequenceStructure-Activity RelationshipProtein BindingProtein Structure, TertiaryProteinsCloning, MolecularKineticsProtein Structure, SecondaryPoint MutationSequence Analysis, ProteinCrystallography, X-RayEscherichia coliRecombinant ProteinsHydrogen BondingDatabases, ProteinCell LineSubstrate SpecificityCatalysisCatalytic DomainAmino Acid MotifsPeptide FragmentsConserved SequenceMutagenesisDNA, ComplementaryPeptidesRecombinant Fusion ProteinsBacterial ProteinsProtein FoldingAlanineDNA PrimersSpecies SpecificityEvolution, MolecularDNASequence Homology, Nucleic AcidThermodynamicsPlasmidsModels, ChemicalMolecular StructureStatic ElectricityAspartic AcidCysteineSolventsAmino Acids, EssentialSequence Analysis, DNAComputer SimulationLysineIsoleucineMutation, MissenseSoftwareArginineLeucineTransfectionAmino Acid Transport SystemsRestriction MappingComputational BiologyDNA Mutational AnalysisPhenotypeSequence DeletionProlineElectrophoresis, Polyacrylamide GelGlycineDNA-Binding ProteinsSerineCOS CellsSaccharomyces cerevisiaeTranscription FactorsCarrier ProteinsCricetinaeRNA, MessengerCattleMolecular WeightPolymerase Chain ReactionChickensViral ProteinsCodonZebrafishMembrane ProteinsEpitopesHistidinePhylogenyGenes, BacterialAsparagineChromatography, High Pressure LiquidPhenylalanineValineTryptophanCircular DichroismTrypsin