N-[4-({[(6S)-2-amino-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl]methyl}amino)benzoyl]-L-gamma-glutamyl-L-gamma-glutamyl-L-glutamic acid

P82610 — 5-methyltetrahydropteroyltriglutamate--homocysteine methyltransferase