Amino Acid SequenceAmino AcidsMolecular Sequence DataSequence Homology, Amino AcidSubstrate SpecificityCloning, MolecularBase SequenceBinding SitesMutagenesis, Site-DirectedAmino Acid SubstitutionModels, MolecularKineticsEscherichia coliProtein ConformationSequence AlignmentMutationRecombinant ProteinsStructure-Activity RelationshipProtein Structure, TertiaryProtein BindingPeptide FragmentsProtein Structure, SecondaryDNA, ComplementaryPeptidesAmino Acid MotifsBacterial ProteinsCatalysisSequence Homology, Nucleic AcidMolecular WeightDNARecombinant Fusion ProteinsCell LineConserved SequenceElectrophoresis, Polyacrylamide GelChromatography, High Pressure LiquidRestriction MappingLysinePlasmidsHydrolysisCysteineHydrogen-Ion ConcentrationTrypsinCatalytic DomainDNA PrimersAlanineCattleCrystallography, X-RayGenes, BacterialProteinsCyanogen BromideMutagenesisAmino Acids, EssentialAspartic AcidPoint MutationAmino Acid Transport SystemsCarrier ProteinsCircular DichroismPhylogenyArginineLeucineHistidineSaccharomyces cerevisiaeSpecies SpecificitySequence Analysis, DNARNA, MessengerMagnetic Resonance SpectroscopySequence DeletionMembrane ProteinsEnzyme StabilityAmino Acids, AromaticTryptophanTransfectionEscherichia coli ProteinsEndopeptidasesPhosphorylationMacromolecular SubstancesAmino Acids, BasicProtein Processing, Post-TranslationalSerineOligopeptidesMolecular StructureBiological TransportChromatography, GelChymotrypsinCell MembraneSequence AnalysisProtein FoldingGlycineIsoleucineCOS CellsGene LibraryTemperaturePhenylalanineMass SpectrometryPolymerase Chain ReactionModels, ChemicalGenesProtein PrecursorsTyrosineCodon