Methionine cycle

drug_metabolism · nervous · cardiovascular · immune-hematologic

Methionine cycle. SAM → SAH → homocysteine. Drug metabolism pathway. Methionine is the methyl-group donor source: methionine → SAM (S-adenosylmethionine; MAT) → SAH…

Modulators

• methionine — substrate
• homocysteine — substrate
• folic-acid — cofactor
• methylfolate — cofactor
• methylcobalamin — cofactor
• cyanocobalamin — cofactor

Sources: PMID:10762063, PMID:16958675