Reaction catalyzed by 5-methyltetrahydropteroyltriglutamate-homocysteine S-methyltransferase (2.1.1.14)
+
=
+
5-methyltetrahydropteroyltri-L-glutamate
+
L-homocysteine
=
tetrahydropteroyltri-L-glutamate
+
L-methionine