Cysteine EndopeptidasesCathepsin BCysteineAmino Acid SequenceMolecular Sequence DataEndopeptidasesNeprilysinSubstrate SpecificitySerine EndopeptidasesThiorphanPHEX Phosphate Regulating Neutral EndopeptidaseProtease InhibitorsKineticsCysteine ProteasesMetalloendopeptidasesHydrolysisBinding SitesCysteine Proteinase InhibitorsCysteine DioxygenaseModels, MolecularRecombinant ProteinsBase SequenceCysteine SynthaseCatalysisGlycopeptidesSequence Homology, Amino AcidMutagenesis, Site-DirectedHydrogen-Ion ConcentrationDipeptidesEscherichia coliDisulfidesChromatography, High Pressure LiquidSerine Proteinase InhibitorsCloning, MolecularOligopeptidesAspartic Acid EndopeptidasesProtein ConformationProtein BindingProtein Structure, TertiaryCatalytic DomainNeurotensinSulfhydryl CompoundsPeptidesElectrophoresis, Polyacrylamide GelCathepsinsLysostaphinMutationStructure-Activity RelationshipOxidation-ReductionPeptide FragmentsAmino AcidsSequence AlignmentMolecular WeightBacterial ProteinsCrystallography, X-Ray