Fig. 1From: Effects of methionine synthase and methylenetetrahydrofolate reductase gene polymorphisms on markers of one-carbon metabolismOne-carbon metabolism cycle (Jacobsen 2000) (dUMP deoxyuridine monophosphate, TYMS thymidylate synthase, dTMP deoxythymidine monophosphate, MTHFR methylenetetrahydrofolate reductase, MTR methionine synthase, MTRR methionine synthase reductase, CBS cystathione β-synthase, ATP adenosine triphosphate, SAM S-adenosylmethionine, DNMT DNA methyltransferase, SAH S-adenosylhomocysteine)Back to article page