Aspartic AcidAspartic Acid ProteasesAspartic Acid EndopeptidasesAmino Acid SequenceMolecular Sequence DataAmino AcidsMutagenesis, Site-DirectedAsparaginePepstatinsMutationBinding SitesBase SequenceAmino Acid SubstitutionIsoaspartic AcidKineticsCathepsin EGlutamatesPepsin AModels, MolecularStructure-Activity RelationshipEscherichia coliProtein ConformationRecombinant ProteinsHistidineSubstrate SpecificityHydrogen-Ion ConcentrationSequence Homology, Amino AcidCloning, MolecularSerineGlycinePeptidesCatalysisAlaninePoint MutationEndopeptidasesCathepsin DAspartate-tRNA LigasePeptide FragmentsGlutamic AcidProtein BindingProtein Structure, TertiaryCell LineElectrophoresis, Polyacrylamide GelSequence AlignmentMolecular WeightCatalytic DomainCarbohydratesProtein Structure, SecondaryProtease InhibitorsOligopeptidesThreonineChromatography, High Pressure LiquidHydrolysisPhosphorylationTrypsinPlasmidsConserved SequenceAspartate-Semialdehyde DehydrogenaseBacterial ProteinsChromatography, PaperLysineForensic SciencesCattleDNA PrimersKeratin-2Chromatography, GelChemistryChemical PhenomenaMutation, MissenseArginineStereoisomerismProlineProtein Processing, Post-TranslationalMutagenesisEnzyme PrecursorsHydrogen BondingTransfectionRadiometric DatingElectrophoresisHomoserine DehydrogenaseCrystallography, X-RayPeptide HydrolasesRecombinant Fusion ProteinsChymosinDNAPolymerase Chain ReactionDNA, ComplementaryChromatographyEnzyme StabilityCysteine EndopeptidasesKetosteroidsSerine EndopeptidasesCodonNeuraminic AcidsCircular DichroismMembrane ProteinsCysteinePepsinogensHydroxylaminesMolecular Structure