Substrate SpecificityPeptidesAmino Acid SequenceMolecular Sequence DataKineticsOligopeptidesBinding SitesModels, MolecularPeptide FragmentsPeptide LibrarySensitivity and SpecificityRecombinant ProteinsHydrolysisCatalysisCatalytic DomainSequence Homology, Amino AcidProtein BindingEscherichia coliProtein ConformationBase SequenceStructure-Activity RelationshipProtein Structure, TertiaryCrystallography, X-RayHydrogen-Ion ConcentrationCloning, MolecularEndopeptidasesMutagenesis, Site-DirectedSerine EndopeptidasesSequence AlignmentPhosphorylationPeptide HydrolasesElectrophoresis, Polyacrylamide GelAmino AcidsMutationMolecular WeightPeptide MappingCattleChromatography, High Pressure LiquidBacterial ProteinsEnzyme ActivationCell LineProtein KinasesProtein Structure, SecondaryAntimicrobial Cationic PeptidesProtease InhibitorsPeptides, CyclicIsoenzymesMolecular StructureCysteine EndopeptidasesRecombinant Fusion ProteinsCasein KinasesAminopeptidasesAmino Acid SubstitutionAmino Acid MotifsChromatography, GelCarboxypeptidasesMetalloendopeptidasesMass SpectrometryEnzyme StabilityTemperatureAntibody SpecificitySpecies SpecificityTrypsinChromogenic CompoundsDNA PrimersN-AcetylgalactosaminyltransferasesProtein Processing, Post-TranslationalAcyltransferasesModels, ChemicalAdenosine TriphosphateDNA, ComplementarySaccharomyces cerevisiaeCoumarinsSubtilisinsCarrier ProteinsBinding, CompetitiveEnzyme InhibitorsMembrane ProteinsEscherichia coli ProteinsPeptide SynthasesDipeptidesChromatography, Ion ExchangeRabbitsAspartic Acid EndopeptidasesCell MembraneSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationStereoisomerismOxidation-ReductionProteinsProtein FoldingCells, CulturedMutagenesisLysineLiverProtein EngineeringProlinePlasmidsAcyl Coenzyme ADimerizationSerine