- dihydropyrimidine dehydrogenase
- An enzyme in pyrimidine biosynthesis that reacts 5,6-dihydrouracil with NADP+ to form uracil and NADPH; it also acts on dihydrothymine; a deficiency of this enzyme can result in hyperuracil thyminuria. SYN: dihydrouracil dehydrogenase.
Medical dictionary. 2011.