Sorbose 5-dehydrogenase (NADP+)

In enzymology, sorbose 5-dehydrogenase (NADP⁺) () is an enzyme that catalyzes the chemical reaction

The two substrates of this enzyme are L-sorbose and oxidised nicotinamide adenine dinucleotide phosphate (NADP⁺). Its products are 5-dehydro-D-fructose, reduced NADPH, and a proton.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD⁺ or NADP⁺ as acceptor. The systematic name of this enzyme class is L-sorbose:NADP⁺ 5-oxidoreductase. Other names in common use include 5-ketofructose reductase, 5-keto-D-fructose reductase, sorbose (nicotinamide adenine dinucleotide phosphate) dehydrogenase, reduced nicotinamide adenine dinucleotide phosphate-linked, reductase, and sorbose 5-dehydrogenase (NADP⁺).

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