Term Name: methionine synthase activity
Synonyms: 5-methyltetrahydrofolate--homocysteine S-methyltransferase activity, 5-methyltetrahydrofolate--homocysteine transmethylase activity, 5-methyltetrahydrofolate-homocysteine S-methyltransferase activity, 5-methyltetrahydrofolate:L-homocysteine S-methyltransferase activity, B12 N(5)-methyltetrahydrofolate homocysteine methyltransferase activity, B12 N5-methyltetrahydrofolate homocysteine methyltransferase activity, cobalamin-dependent methionine synthase activity, MetH, methionine synthase (cobalamin-dependent) activity, methyltetrahydrofolate--homocysteine vitamin B12 methyltransferase activity, N(5)-methyltetrahydrofolate methyltransferase activity, N(5)-methyltetrahydrofolate--homocysteine cobalamin methyltransferase activity, N(5)-methyltetrahydrofolic--homocysteine vitamin B12 transmethylase activity, N-methyltetrahydrofolate:L-homocysteine methyltransferase activity, N5-methyltetrahydrofolate methyltransferase activity, N5-methyltetrahydrofolate-homocysteine cobalamin methyltransferase activity, N5-methyltetrahydrofolic-homocysteine vitamin B12 transmethylase activity, tetrahydrofolate methyltransferase activity, tetrahydropteroylglutamate methyltransferase activity, tetrahydropteroylglutamic methyltransferase activity, vitamin B12 methyltransferase activity
Definition: Catalysis of the reaction: (6S)-5-methyl-5,6,7,8-tetrahydrofolate + L-homocysteine = (6S)-5,6,7,8-tetrahydrofolate + L-methionine.
Ontology: GO: Molecular Function [GO:0008705]    QuickGO    AmiGO

Relationships
is part of: methionine biosynthetic process
is a type of: 5-methyltetrahydrofolate-dependent methyltransferase activity S-methyltransferase activity