Main Reaction: sarcosine >> glycine + H2O2 +formaldehyde

Reference: PubMed ID: 15181470
Authors: Kloor D, Karnahl K, Kömpf J
Title: Characterization of glycine N-methyltransferase from rabbit liver.
Published: 2004 Jun

sarcosine --> glycine + H2O2 + formaldehyde