Cysteine ProteasesCysteineCysteine EndopeptidasesCysteine Proteinase InhibitorsProtease InhibitorsCathepsinsCathepsin LCystatinsCathepsin BAmino Acid SequencePapainMolecular Sequence DataEndopeptidasesHIV ProteaseCalpainPeptide HydrolasesSerine EndopeptidasesCathepsin KCathepsin FSubstrate SpecificitySequence Homology, Amino AcidRecombinant ProteinsDipeptidesCaspase 1Protease LaCysteine DioxygenaseSpirometraSerine Proteinase InhibitorsCaspasesEnzyme PrecursorsBase SequenceBinding SitesATP-Dependent ProteasesModels, MolecularCysteine SynthaseKineticsProtein Structure, TertiaryHydrolysisParagonimusCloning, MolecularMutagenesis, Site-DirectedSequence AlignmentCathepsin CElectrophoresis, Polyacrylamide GelDisulfidesHelminth ProteinsLeucineStreptococcus pyogenesLysosomesMutationProtein Processing, Post-TranslationalBromelainsEnzyme ActivationBacterial ProteinsCystatin BHydrogen-Ion ConcentrationCystatin ACell LineCatalytic DomainProteolysisProtease NexinsOligopeptidesApoptosisCathepsin WProtozoan ProteinsLeupeptinsSulfhydryl CompoundsProtein BindingCaspase 3Escherichia coliCystatin CUbiquitin-Specific ProteasesAmino Acid Chloromethyl KetonesSerpinsCaspase 6CoumarinsCrystallography, X-RayMolecular WeightStructure-Activity RelationshipCathepsin ZPepstatinsVinyl CompoundsCystineTrypsinDNA, ComplementaryPeptide FragmentsCatalysisCystatin MParagonimiasisCells, CulturedPeptidesHaemonchusLeishmania mexicanaProtein ConformationSulfonesProtein Structure, SecondaryAmino Acid SubstitutionCaspase 2FicainEnzyme Stability