1-[2-amino-5-(formylamino)-6-oxo-1,6-dihydropyrimidin-4-yl]-2,5-anhydro-1,3-dideoxy-6-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]oxy}phosphoryl]-D-ribo-hexitol

P06746 — DNA polymerase beta