Main Reaction: 5,10-CH2-THF + CO2 + NH3 + NADH + H+ >> THF + Glycine + NAD+

Reference: PubMed ID: 25448816
Authors: Sah S, Aluri S, Rex K, Varshney U
Title: One-carbon metabolic pathway rewiring in Escherichia coli reveals an evolutionary advantage of 10-formyltetrahydrofolate synthetase (Fhs) in survival under hypoxia.
Published: 2015 Feb 15

5,10-CH2-THF + CO2 + NH3 + NADH + H --> THF + Glycine + NAD