CysteineCysteine EndopeptidasesCysteine ProteasesCysteine DioxygenaseMolecular Sequence DataAmino Acid SequenceCysteine Proteinase InhibitorsCysteine SynthaseDisulfidesModels, MolecularBase SequenceSulfhydryl CompoundsProtein ConformationBinding SitesMutagenesis, Site-DirectedCystineProtein Structure, TertiarySequence Homology, Amino AcidCathepsinsEscherichia coliOxidation-ReductionCystatinsMutationProtein Structure, SecondaryCloning, MolecularSequence AlignmentProtein BindingRecombinant ProteinsKineticsCrystallography, X-RayCathepsin LPapainGlutathioneSulfhydryl ReagentsCathepsin BStructure-Activity RelationshipBacterial ProteinsMicroscopy, ElectronSulfurCarbon-Sulfur LyasesEthylmaleimideDimerizationAmino Acid SubstitutionDithiothreitolSerine O-AcetyltransferaseAmino AcidsConserved SequenceSubstrate SpecificityElectrophoresis, Polyacrylamide GelProtein Structure, QuaternaryCattleMesylatesDithionitrobenzoic AcidCell LineCatalytic DomainCross-Linking ReagentsPhylogenyCatalysisProtein FoldingIodoacetamidePeptide FragmentsDNAGene OrderHydrogen-Ion ConcentrationMethionineReducing AgentsModels, StructuralSulfinic AcidsMolecular WeightEndopeptidasesPeptidesProtein MultimerizationAlkylationMembrane ProteinsProteinsIodoacetic AcidCystathionine gamma-LyaseDNA, ComplementarySequence Homology, Nucleic AcidLyasesModels, ChemicalModels, BiologicalThioredoxinsChromatography, High Pressure LiquidHistidineZincMacromolecular SubstancesCell MembraneProtein Processing, Post-TranslationalAnimal FeedProtein SubunitsMolecular StructureMass SpectrometryDNA PrimersChromosome InversionSulfenic AcidsPlasmidsAmino Acids, SulfurSequence Analysis, DNAOxidoreductases Acting on Sulfur Group Donors