MethylationS-AdenosylmethionineMethyltransferasesGlycine N-MethyltransferaseMethionineS-AdenosylhomocysteinetRNA MethyltransferasesMagnetic Resonance SpectroscopyMethyl ChlorideNG-Nitroarginine Methyl EsterMethyl ParathionStereoisomerismStructure-Activity RelationshipKineticsMolecular StructureProtein O-MethyltransferaseChrysenesModels, MolecularPhosphatidylethanolamine N-MethyltransferaseBetaine-Homocysteine S-MethyltransferaseProtein MethyltransferasesSubstrate SpecificityTetrahydrofolatesMolecular ConformationBetaineMethyl MethanesulfonateCorrinoids5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase5-MethylcytosineMolecular Sequence DataCholineMethanolDeuteriumCarbon IsotopesEscherichia coliThymineCytosineChemistryHomocysteineChemical PhenomenaVitamin B 12AlkylationBinding SitesChromatography, High Pressure LiquidMethaneRetinaldehydeOxidation-ReductionVitamin UDNA-Cytosine MethylasesFolic AcidDNA MethylationUroporphyrinsSite-Specific DNA-Methyltransferase (Adenine-Specific)Methanosarcina barkeriEstersAmino Acid SequenceSarcosineCatalysisTolueneNuclear Magnetic Resonance, BiomolecularDNA (Cytosine-5-)-MethyltransferaseAcetatesChromatography, Thin LayerMass SpectrometryCrystallography, X-RayProtein ConformationDNABase SequenceGuanineIsomerismCholine DeficiencyMethylaminesCarboxylic Acids5,10-Methylenetetrahydrofolate Reductase (FADH2)Models, ChemicalMethionine AdenosyltransferaseMesnaCarbonFolic Acid DeficiencyO(6)-Methylguanine-DNA MethyltransferaseBacteriophage Pf1MethylglycosidesLanosterolBacterial ProteinsProtein D-Aspartate-L-Isoaspartate MethyltransferaseTritiumBiotransformationProtein BindingCresolsGas Chromatography-Mass SpectrometryBay-Region, Polycyclic Aromatic HydrocarbonLiverAlkanesFormatesHydrogen BondingHydrogen-Ion ConcentrationAmino AcidsEpoxy CompoundsNorisoprenoidsProtein-Arginine N-Methyltransferases