Amino Acid SequenceAmino AcidsSerineMolecular Sequence DataSequence Homology, Amino AcidCloning, MolecularBase SequenceMutagenesis, Site-DirectedAmino Acid SubstitutionBinding SitesModels, MolecularSequence AlignmentProtein ConformationEscherichia coliMutationRecombinant ProteinsStructure-Activity RelationshipProtein Structure, TertiarySerine EndopeptidasesPeptide FragmentsKineticsProtein BindingSubstrate SpecificityProtein Structure, SecondaryDNA, ComplementaryPeptidesAmino Acid MotifsSequence Homology, Nucleic AcidBacterial ProteinsRecombinant Fusion ProteinsCell LineMolecular WeightDNAConserved SequenceElectrophoresis, Polyacrylamide GelRestriction MappingTrypsinCysteinePlasmidsAlanineLysineChromatography, High Pressure LiquidCyanogen BromideDNA PrimersGenes, BacterialAmino Acids, EssentialCatalysisMutagenesisSerine Proteinase InhibitorsPoint MutationCattleProteinsAspartic AcidAmino Acid Transport SystemsPhosphorylationCircular DichroismLeucineCarrier ProteinsSerine ProteasesHistidineRNA, MessengerPhylogenySequence Analysis, DNAHydrogen-Ion ConcentrationHydrolysisCatalytic DomainSpecies SpecificitySequence DeletionTransfectionArginineThreonineCrystallography, X-RayAmino Acids, AromaticPeptide MappingChymotrypsinSaccharomyces cerevisiaeGlycineMembrane ProteinsAmino Acids, BasicProtein Processing, Post-TranslationalTryptophanMagnetic Resonance SpectroscopySequence AnalysisCOS CellsEndopeptidasesMacromolecular SubstancesEnzyme StabilityGene LibraryGenesCodonIsoleucinePolymerase Chain ReactionProtein PrecursorsCell MembraneChromatography, GelProlineOpen Reading FramesEpitopesEscherichia coli ProteinsCricetinae