CysteineProtease InhibitorsCysteine ProteasesCysteine EndopeptidasesHIV ProteasePeptide HydrolasesSerine EndopeptidasesAmino Acid SequenceEndopeptidasesMolecular Sequence DataCysteine Proteinase InhibitorsProtease LaCysteine DioxygenaseATP-Dependent ProteasesCysteine SynthaseCathepsinsSerine Proteinase InhibitorsProtease NexinsDisulfidesSubstrate SpecificityCathepsin LBinding SitesMutagenesis, Site-DirectedBase SequenceKineticsRecombinant ProteinsSequence Homology, Amino AcidModels, MolecularPapainSulfhydryl CompoundsMutationCystatinsEscherichia coliCloning, MolecularProtein Structure, TertiaryElectrophoresis, Polyacrylamide GelProtein Processing, Post-TranslationalCalpainCystineTrypsinProtein BindingBacterial ProteinsHydrolysisSequence AlignmentMolecular WeightUbiquitin-Specific ProteasesHydrogen-Ion ConcentrationCell LineMetalloendopeptidasesChymotrypsinOxidation-ReductionStructure-Activity RelationshipAmino Acid SubstitutionCatalytic DomainSubtilisinsPeptide FragmentsEnzyme PrecursorsOligopeptidesAspartic Acid EndopeptidasesEndopeptidase ClpPepstatinsSulfhydryl ReagentsGlutathioneAmino AcidsProteolysisPeptidesSerpinsCatalysisEnzyme ActivationCathepsin BDithiothreitolCrystallography, X-RayProtein Structure, SecondaryPancreatic ElastaseTrypsin InhibitorsEthylmaleimideMembrane ProteinsCarbon-Sulfur LyasesDipeptidesChromatography, High Pressure LiquidProtein ConformationEnzyme StabilitySulfurDNA, ComplementaryProtein PrecursorsCaspasesCells, CulturedSerine O-AcetyltransferaseMetalloproteasesCathepsin KDithionitrobenzoic AcidRecombinant Fusion ProteinsIodoacetamideEscherichia coli ProteinsDNA PrimersSubtilisinPeriplasmic ProteinsHIV-1CattleCaspase 1