Pyranose dehydrogenase (acceptor) (, pyranose dehydrogenase, pyranose-quinone oxidoreductase, quinone-dependent pyranose dehydrogenase, PDH) is an enzyme with systematic name pyranose:acceptor oxidoreductase. This enzyme catalyses the following chemical reaction
This enzyme requires FAD. A number of aldoses and ketoses in pyranose form, as well as glycosides, gluco-oligosaccharides, sucrose and lactose can act as a donor.