3,4-Dehydroadipyl-CoA semialdehyde dehydrogenase (NADP<sup>+</sup>) (, BoxD, 3,4-dehydroadipyl-CoA semialdehyde dehydrogenase) is an enzyme with systematic name 3,4-didehydroadipyl-CoA semialdehyde:NADP+ oxidoreductase. This enzyme catalyses the following chemical reaction
This enzyme catalyses a step in the aerobic benzoyl-coenzyme A catabolic pathway in Azoarcus evansii and Burkholderia xenovorans.