Originally, a series of flavoproteins with reductase activity in mitochondria; now dihydrolipoamide dehydrogenase.
* * *
di·aph·o·rase dī-'af-ə-.rās, -.rāz n a flavoprotein enzyme capable of oxidizing the reduced form of NAD
* * *
di·aph·o·rase (di-afґo-rās) any flavoprotein catalyzing the oxidation of reduced nicotinamide adenine dinucleotide (NAD) or reduced nicotinamide adenine dinucleotide phosphate (NADP) using a nonphysiological compound such as methylene blue as electron acceptor, but not oxygen or cytochromes. The reaction is an artifact arising from removal of the enzyme from the complexes in which it occurs naturally.Medical dictionary. 2011.