Enzymatic reactions [BR:br08201]
1. Oxidoreductase reactions
1.5 Acting on the CH-NH group of donors
1.5.8 With a flavin or flavoprotein as acceptor
1.5.8.3
R00611 Sarcosine + Tetrahydrofolate + Electron-transferring flavoprotein <=> Glycine + 5,10-Methylenetetrahydrofolate + Reduced electron-transferring flavoprotein