NAD(P)H Dehydrogenase (Quinone)

Diaphorase, DT; Reductase, Menadione; Reductase, Phylloquinone; Reductase, Quinone; Reductase, Vitamin K
A flavoprotein that reversibly catalyzes the oxidation of NADH or NADPH by various quinones and oxidation-reduction dyes. The enzyme is inhibited by dicoumarol, capsaicin, and caffeine. EC 1.6.99.2.