Main Reaction: tetrahydrofolate + serine >> 5,10-methylenetetrahydrofolate + glycine

Reference: PubMed ID: 22303332
Authors: Field MS, Anderson DD, Stover PJ
Title: Mthfs is an Essential Gene in Mice and a Component of the Purinosome.
Published: 2011 Jun 20

tetrahydrofolate + serine --> 5,10-methylenetetrahydrofolate + glycine