title: Methionine can open the methyl folate trap.
mesh_terms: D013766:5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase / Q000378:metabolism; D000818:Animals; D008715:Methionine / Q000494:pharmacology*; D009609:Nitrous Oxide / Q000494:pharmacology; D051381:Rats; D012436:S-Adenosylmethionine / Q000378:metabolism; D013763:Tetrahydrofolates / Q000378:metabolism*
chemical_list: D013763:Tetrahydrofolates; C030371:5,6,7,8-tetrahydrofolic acid; D012436:S-Adenosylmethionine; D008715:Methionine; D013766:5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; D009609:Nitrous Oxide; C005984:5-methyltetrahydrofolate