MethionineMethionine Sulfoxide ReductasesMethionine AdenosyltransferaseEnergy MetabolismLipid Metabolism5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseS-AdenosylmethionineMethionyl AminopeptidasesHomocysteineLiverMetabolismOxidation-ReductionGlucoseAmino Acids, SulfurCystathionineMolecular Sequence DataKineticsAmino AcidsMethionine SulfoximineAmino Acid SequenceS-AdenosylhomocysteineCarbon IsotopesVitamin B 12Carbon RadioisotopesCystineEnkephalin, MethionineAminopeptidasesCysteineChromatography, High Pressure LiquidSulfurEthionineOxidoreductasesEscherichia coliMutationBiotransformationFolic AcidNitrogenMicrosomes, LiverBetaine-Homocysteine S-MethyltransferaseCystathionine beta-SynthaseMetabolic Networks and PathwaysBase SequenceMetabolism, Inborn ErrorsDietCytochrome P-450 Enzyme SystemMethionine-tRNA LigaseGlycolysisMethylationSulfur RadioisotopesGlycine N-MethyltransferaseFatty AcidsModels, BiologicalCholineThionucleosidesRNA, MessengerCarbonTetrahydrofolatesLeucineTime FactorsRats, Inbred StrainsMagnetic Resonance SpectroscopyGlutathioneMethyltransferasesSelenomethionineCells, CulturedOxygen ConsumptionNorleucineBacterial ProteinsCulture MediaMass SpectrometryBetaineIsoleucineVitamin UHomocystinuriaProtein BiosynthesisAcetatesInsulinStereoisomerismBiological TransportBody WeightDietary ProteinsCloning, MolecularHyperhomocysteinemiaLactic AcidThioglycosidesNutritional RequirementsCell LineGlycineBrainLactatesSubstrate SpecificityTritiumFerredoxin-NADP ReductaseCarbon DioxideSulfatesRecombinant ProteinsDose-Response Relationship, DrugElectrophoresis, Polyacrylamide GelMitochondriaCarbon-Oxygen Lyases