Methionine synthase also known as MS, MeSe, MetH is an enzyme that in humans is encoded by the "MTR" gene (5-methyltetrahydrofolate-homocysteine methyltransferase).
Methionine synthase also known as MS, MeSe, MetH is responsible for the regeneration of methionine from homocysteine. In humans it is encoded by the "MTR" gene (5-methyltetrahydrofolate-homocysteine methyltransferase).