MethionineCytochrome P-450 Enzyme SystemS-AdenosylmethionineMethionine AdenosyltransferaseBetaine-Homocysteine S-MethyltransferaseCystathionine beta-Synthase5-Methyltetrahydrofolate-Homocysteine S-MethyltransferaseS-AdenosylhomocysteineHomocysteineHomocystinuriaCystathionineGlycine N-MethyltransferaseAdenosylhomocysteinaseCystineBetaineAmino Acids, SulfurFormiminoglutamic AcidStreptococcaceaeSulfurFolic Acid DeficiencyFolic AcidLiverLiver Diseases, AlcoholicMethyltransferasesMethionine Sulfoxide ReductasesVitamin B 12HyperhomocysteinemiaEthanolCysteineMethylationGlutathioneEnergy MetabolismLipid MetabolismMolecular Sequence DataMethionyl AminopeptidasesTerminology as TopicRNA, Ribosomal, 16SFatty AcidsMetabolismOxidation-ReductionPhylogenyGlucoseBase CompositionKineticsAmino Acid SequenceDNA, BacterialAmino AcidsGenes, rRNAMethionine SulfoximineSequence Analysis, DNACarbon IsotopesOxidoreductasesCarbon RadioisotopesChromatography, High Pressure LiquidEnkephalin, MethionineAminopeptidasesBase SequenceEscherichia coliEthionineMutationBacterial Typing TechniquesBiotransformationSpecies SpecificityNitrogenMetabolic Networks and PathwaysMicrosomes, LiverMetabolism, Inborn ErrorsDietMethionine-tRNA LigasePhenotypeGlycolysisRNA, BacterialModels, BiologicalSulfur RadioisotopesSoil MicrobiologyCarbonBacterial ProteinsRNA, MessengerTime FactorsCulture MediaAerobiosisMagnetic Resonance SpectroscopyCholineThionucleosidesTetrahydrofolatesLeucineRats, Inbred StrainsMass SpectrometryCells, CulturedNucleic Acid HybridizationSelenomethionineOxygen ConsumptionCloning, MolecularNorleucineAcetatesProtein BiosynthesisStereoisomerismIsoleucineVitamin UHydrogen-Ion Concentration