5'-S-[(2R,4R)-1-{2-[(2-amino-7,7-dimethyl-4-oxo-3,4,7,8-tetrahydropteridine-6-carbonyl)amino]ethyl}-2-carboxypiperidin-4-yl]-5'-thioadenosine

P26281 — 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase