CysteineAmino Acid SequenceMolecular Sequence DataDisulfidesMutagenesis, Site-DirectedBinding SitesCysteine EndopeptidasesModels, MolecularProtein ConformationSulfhydryl CompoundsSequence Homology, Amino AcidBase SequenceCysteine ProteasesProtein Structure, TertiaryRecombinant ProteinsMutationKineticsSulfhydryl ReagentsAmino Acid SubstitutionEscherichia coliProtein BindingStructure-Activity RelationshipOxidation-ReductionEthylmaleimideCloning, MolecularDithionitrobenzoic AcidProtein Structure, SecondarySequence AlignmentCysteine DioxygenaseCysteine Proteinase InhibitorsAmino AcidsPeptide FragmentsSubstrate SpecificityDithiothreitolReducing AgentsCysteine SynthaseCystineConserved SequenceCatalysisIodoacetamideHistidinePeptidesBacterial ProteinsElectrophoresis, Polyacrylamide Gel4-ChloromercuribenzenesulfonateCell LineCatalytic DomainIodoacetic AcidChromatography, High Pressure LiquidIodoacetatesAlanineCrystallography, X-RayDimerizationAlkylationProtein Processing, Post-TranslationalTrypsinCircular DichroismProtein FoldingHydrogen-Ion ConcentrationMesylatesPeptide MappingMutagenesisMass SpectrometryLipoylationCattleMolecular WeightDNA, ComplementaryDNA PrimersGlutathioneRecombinant Fusion ProteinsMembrane ProteinsPoint MutationLysineAmino Acid MotifsSulfenic AcidsThioredoxinsZincProteinsMagnetic Resonance SpectroscopyPlasmidsSerinep-Chloromercuribenzoic AcidCell MembraneTransfectionHydrolysisCross-Linking ReagentsDNAPapainSequence Homology, Nucleic AcidEscherichia coli ProteinsCOS CellsCyanogen BromideCathepsinsEnzyme StabilitySulfurMolecular StructureCarrier ProteinsHydroxymercuribenzoatesMaleimidesMacromolecular Substances