Aspartic AcidAmino Acid SequencePeptidesMolecular Sequence DataMutagenesis, Site-DirectedBinding SitesAspartic Acid ProteasesBase SequencePeptide FragmentsProtein ConformationModels, MolecularAmino AcidsMutationAspartic Acid EndopeptidasesAmino Acid SubstitutionSequence Homology, Amino AcidAsparagineKineticsStructure-Activity RelationshipEscherichia coliRecombinant ProteinsHistidineProtein Structure, TertiarySequence AlignmentProtein BindingCloning, MolecularCatalytic DomainSubstrate SpecificityProtein Structure, SecondaryCatalysisConserved SequenceHydrogen-Ion ConcentrationOligopeptidesPepsin APoint MutationBacterial ProteinsCell LineTrypsinRecombinant Fusion ProteinsChromatography, High Pressure LiquidSerineElectrophoresis, Polyacrylamide GelAmino Acid MotifsHydrolysisDNA PrimersMolecular WeightPeptide LibraryPhosphorylationPlasmidsTransfectionPeptide MappingMembrane ProteinsPeptides, CyclicAntimicrobial Cationic PeptidesCell MembranePepstatinsCysteineLysineEndopeptidasesCrystallography, X-RayAlanineCattleDNA, ComplementaryGlycineMagnetic Resonance SpectroscopyIsoaspartic AcidGlutamatesMass SpectrometryProtein PrecursorsProtein Processing, Post-TranslationalCyanogen BromideProteinsPeptide HydrolasesDNAMutagenesisArginineGlutamic AcidCathepsin EHydrogen BondingEpitopesCircular DichroismSequence Homology, Nucleic AcidThreonineChromatography, GelMolecular StructureProlineTryptophanProtein FoldingSerine EndopeptidasesCarbohydratesRestriction MappingEnzyme StabilityCOS CellsBinding, CompetitiveProtease InhibitorsDisulfidesCarrier ProteinsTyrosineModels, ChemicalCricetinae