CysteineCysteine-Rich Protein 61Amino Acid SequenceMolecular Sequence DataCysteine EndopeptidasesCysteine ProteasesCysteine DioxygenaseCysteine Proteinase InhibitorsCysteine SynthaseDisulfidesSulfhydryl CompoundsCystineMutagenesis, Site-DirectedCathepsinsCystatinsBase SequenceOxidation-ReductionBinding SitesCathepsin LSequence Homology, Amino AcidPapainGlutathioneSulfhydryl ReagentsCathepsin BKineticsModels, MolecularRecombinant ProteinsMutationEscherichia coliProtein ConformationProtein Structure, TertiaryCloning, MolecularCarbon-Sulfur LyasesOsteonectinSulfurEthylmaleimideDithiothreitolSerine O-AcetyltransferaseProtein BindingAmino Acid SubstitutionMesylatesDithionitrobenzoic AcidSequence AlignmentStructure-Activity RelationshipAmino AcidsIodoacetamideSubstrate SpecificityElectrophoresis, Polyacrylamide GelReducing AgentsProtein Structure, SecondaryMethionineBacterial ProteinsSulfinic AcidsIodoacetic AcidCystathionine gamma-Lyase