Main Reaction: Homocysteine + 5-Methyltetrahydrofolate >> 5,10-methylenetetrahydrofolate + Methionine

Reference: PubMed ID: 24118949
Authors: Novichkov PS, Li X, Kuehl JV, Deutschbauer AM, Arkin AP, Price MN, Rodionov DA
Title: Control of methionine metabolism by the SahR transcriptional regulator in Proteobacteria.
Published: 2014 Jan

Homocysteine + 5-Methyltetrahydrofolate --> 5,10-methylenetetrahydrofolate + Methionine