CysteineCysteine DioxygenaseMethionineSulfur CompoundsTaurineS-AdenosylmethionineCystathionine beta-SynthaseMethionine AdenosyltransferaseBetaine-Homocysteine S-MethyltransferaseDioxygenases5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseS-AdenosylhomocysteineHomocysteineGlutathioneSulfatesCarboxy-LyasesHomocystinuriaCystathionineCystineGlycine N-MethyltransferaseAmino Acids, SulfurAdenosylhomocysteinaseBetaineSulfurFormiminoglutamic AcidStreptococcaceaeLiverFolic Acid DeficiencyCysteine EndopeptidasesFolic AcidLiver Diseases, AlcoholicCysteine ProteasesEnergy MetabolismLipid MetabolismMethyltransferasesMethionine Sulfoxide ReductasesVitamin B 12Molecular Sequence DataAmino Acid SequenceCysteine SynthaseHyperhomocysteinemiaEthanolCysteine Proteinase InhibitorsMethylationOxidation-ReductionKineticsDisulfidesMetabolismGlucoseSulfhydryl CompoundsMutationBase SequenceEscherichia coliChromatography, High Pressure LiquidMutagenesis, Site-DirectedRecombinant ProteinsAmino AcidsBinding SitesSequence Homology, Amino AcidBiotransformationMethionyl AminopeptidasesCathepsinsModels, MolecularCarbon-Sulfur LyasesCloning, MolecularCarbon IsotopesOxidoreductasesMicrosomes, LiverCarbon RadioisotopesCytochrome P-450 Enzyme SystemSubstrate SpecificityMetabolic Networks and PathwaysBacterial ProteinsMass SpectrometryModels, BiologicalCystatinsProtein ConformationProtein BindingCell LineGlycolysisProtein Structure, TertiaryPapainSulfhydryl ReagentsNitrogenCells, CulturedTime FactorsMetabolism, Inborn ErrorsMagnetic Resonance SpectroscopyHydrogen-Ion ConcentrationCathepsin LElectrophoresis, Polyacrylamide GelRNA, MessengerFatty AcidsStructure-Activity RelationshipSequence AlignmentCystathionine gamma-LyaseCathepsin BAmino Acid SubstitutionBiological TransportLeucine