CysteineCysteine DioxygenaseSulfur CompoundsTaurineDioxygenasesSulfatesCarboxy-LyasesGlutathioneAmino Acid SequenceCysteine EndopeptidasesOxidation-ReductionMolecular Sequence DataCysteine ProteasesDisulfidesMutagenesis, Site-DirectedSulfhydryl CompoundsCysteine Proteinase InhibitorsCysteine SynthaseBinding SitesKineticsModels, MolecularBase SequenceProtein ConformationSequence Homology, Amino AcidRecombinant ProteinsMutationEscherichia coliSulfhydryl ReagentsProtein Structure, TertiaryProtein BindingCystineAmino Acid SubstitutionStructure-Activity RelationshipEthylmaleimideCloning, MolecularDithionitrobenzoic AcidSubstrate SpecificityEnergy MetabolismChromatography, High Pressure LiquidSequence AlignmentCatalysisDithiothreitolProtein Structure, SecondaryAmino AcidsReducing AgentsBacterial ProteinsHydrogen-Ion ConcentrationLipid MetabolismPeptide FragmentsCathepsinsSulfurIodoacetamideCell LineMass SpectrometryElectrophoresis, Polyacrylamide GelConserved SequenceLiverPapainIodoacetic AcidCystatinsHistidineCatalytic DomainPeptidesOxidoreductasesMesylatesAlkylationAlanineProtein Processing, Post-TranslationalIodoacetates4-ChloromercuribenzenesulfonateCrystallography, X-RayMagnetic Resonance SpectroscopyCattleMethionineDimerizationHydrogen PeroxideCathepsin LThioredoxinsMolecular StructureCarbon-Sulfur LyasesSulfenic AcidsGlucoseProtein FoldingCathepsin BProteinsTrypsinDNA, ComplementaryCircular DichroismDNA PrimersMolecular WeightZincPalmitic AcidSulfidesMembrane ProteinsMutagenesisLipoylationHydrolysisPeptide MappingModels, ChemicalSulfinic Acids