CysteineAmino Acid SequenceMolecular Sequence DataDisulfidesMutagenesis, Site-DirectedBinding SitesModels, MolecularProtein ConformationSequence Homology, Amino AcidSulfhydryl CompoundsProtein Structure, TertiaryBase SequenceAmino Acid SubstitutionEscherichia coliRecombinant ProteinsMutationKineticsProtein BindingProtein Structure, SecondaryStructure-Activity RelationshipOxidation-ReductionSulfhydryl ReagentsCloning, MolecularSequence AlignmentCystineEthylmaleimideCysteine EndopeptidasesPeptide FragmentsDithionitrobenzoic AcidSubstrate SpecificityAmino AcidsConserved SequenceCatalysisPeptidesBacterial ProteinsCatalytic DomainCysteine ProteasesHistidineAlanineCrystallography, X-RayDithiothreitolCircular DichroismDimerizationElectrophoresis, Polyacrylamide GelChromatography, High Pressure LiquidProtein FoldingCell LineProtein Processing, Post-TranslationalTrypsinHydrogen-Ion ConcentrationIodoacetamideMass SpectrometryThioredoxinsMutagenesisAmino Acid MotifsPeptide MappingSerineMagnetic Resonance SpectroscopyDNA, ComplementaryEscherichia coli ProteinsAlkylationCattlePoint MutationRecombinant Fusion ProteinsCross-Linking ReagentsCysteine DioxygenaseCysteine Proteinase InhibitorsDNA PrimersReducing AgentsZincLysineMembrane ProteinsMolecular WeightCell MembraneProteinsEnzyme StabilityGlutaredoxinsPlasmidsPeroxiredoxinsHydrolysisDrug ResiduesCysteine SynthaseCOS CellsDNAProtein Structure, QuaternarySpectrometry, FluorescenceMolecular StructureTransfection4-ChloromercuribenzenesulfonateSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationIodoacetic AcidEndopeptidasesModels, ChemicalProtein EngineeringSequence Homology, Nucleic AcidLigandsOxidoreductasesProtein MultimerizationIodoacetatesGlutathione