MethionineCysteine DioxygenaseCysteineSulfur CompoundsTaurineDioxygenasesSulfatesCarboxy-LyasesGlutathioneCysteine EndopeptidasesCysteine ProteasesMethionine Sulfoxide ReductasesCysteine SynthaseAmino Acid SequenceMolecular Sequence DataCysteine Proteinase InhibitorsMethionine AdenosyltransferaseDisulfidesOxidation-ReductionEnergy MetabolismLipid MetabolismCystineSulfhydryl Compounds5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseS-AdenosylmethionineKineticsMutagenesis, Site-DirectedAmino Acids, SulfurLiverBase SequenceSulfurMutationEscherichia coliAmino AcidsCystathionineMethionyl AminopeptidasesBinding SitesCathepsinsRecombinant ProteinsSequence Homology, Amino AcidCarbon-Sulfur LyasesModels, MolecularHomocysteineChromatography, High Pressure LiquidCystatinsCloning, MolecularProtein ConformationMetabolismPapainSulfhydryl ReagentsGlucoseCathepsin LOxidoreductasesSubstrate SpecificityProtein Structure, TertiaryProtein BindingBacterial ProteinsCathepsin BElectrophoresis, Polyacrylamide GelCystathionine beta-SynthaseAmino Acid SubstitutionStructure-Activity RelationshipCystathionine gamma-LyaseSequence AlignmentCell LineMass SpectrometryMethionine SulfoximineLyasesDithiothreitolSerine O-AcetyltransferaseEthylmaleimideHydrogen-Ion ConcentrationS-AdenosylhomocysteineCarbon IsotopesCarbon RadioisotopesCatalysisDithionitrobenzoic Acid