Cysteine DioxygenaseCysteineSulfur CompoundsTaurineDioxygenasesCarboxy-LyasesSulfatesGlutathionePyruvate KinasePyruvate Dehydrogenase ComplexHyperhomocysteinemiaCysteine EndopeptidasesPyruvic AcidVitamin B 12Cysteine ProteasesFolic AcidPyruvatesPyruvate DecarboxylaseMethionineCysteine SynthaseCystathionine beta-SynthaseCysteine Proteinase InhibitorsMolecular Sequence DataHomocystinePyruvate OxidaseAmino Acid SequenceMethylenetetrahydrofolate Reductase (NADPH2)Energy MetabolismOxidation-ReductionPyruvate Dehydrogenase (Lipoamide)CystathionineKineticsVitamin B 6Vitamin B ComplexSulfhydryl CompoundsLipid MetabolismDisulfidesBetaine-Homocysteine S-MethyltransferaseLiver5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseGlucoseS-AdenosylhomocysteineHomocystinuriaCystineOxidoreductases Acting on CH-NH Group DonorsLactatesMutationMutagenesis, Site-DirectedPyruvate Dehydrogenase (Lipoamide)-PhosphataseGlycolysisEscherichia coliSulfurS-AdenosylmethionineLactic AcidBase SequenceBinding SitesVitamin B 12 DeficiencyFolic Acid DeficiencyChromatography, High Pressure LiquidCystathionine gamma-LyaseCathepsinsCystatinsCitric Acid CycleSequence Homology, Amino AcidRecombinant ProteinsCarbon IsotopesMethylmalonic AcidBetaineMetabolismModels, MolecularCarbon-Sulfur LyasesPhosphoenolpyruvateHydrogen-Ion ConcentrationCloning, MolecularProtein ConformationSubstrate SpecificitySulfhydryl ReagentsAmino AcidsProtein BindingPapainCathepsin LAcetatesLyasesAmino Acids, SulfurAlanineProtein Structure, TertiaryMalatesCells, CulturedTime FactorsPyridoxineCathepsin BMagnetic Resonance SpectroscopyEthylmaleimideAdenosine TriphosphateMitochondriaThiamine PyrophosphateHomocysteine S-MethyltransferaseDietary SupplementsDichloroacetic AcidBacterial Proteins