Tags: Enzyme.
In enzymology a NAD(P)H dehydrogenase (quinone) (EC 1.6.5.2) is an enzyme that catalyzes the chemical reactionNAD(P)H + H+ + a quinone NAD(P)+ + a hydroquinoneThe 4 substrates of this enzyme are NADH NADPH H+ and quinone whereas its 3 products are NAD+ NADP+ and hydroquinone.This enzyme belongs to the family of oxidoreductases specifically those acting on NADH or NADPH with a quinone or similar compound as acceptor.