. "Catalysis of the reaction: 5,6-dihydrouracil + NADP+ = uracil + NADPH + H+." . . "DPD" . "dihydropyrimidine dehydrogenase (NADP+) activity" . "4,5-dihydrothymine: oxidoreductase activity" . "5,6-dihydrouracil:NADP+ 5-oxidoreductase activity" . "dehydrogenase, dihydrouracil (nicotinamide adenine dinucleotide phosphate)" . "DHPDH" . "DHU dehydrogenase activity" . "dihydropyrimidine dehydrogenase activity" . "dihydrothymine dehydrogenase activity" . "dihydrouracil dehydrogenase (NADP)" . "dihydrouracil dehydrogenase (NADP+) activity" . "hydropyrimidine dehydrogenase activity" . . .