L-xylose 1-dehydrogenase

In enzymology, L-xylose 1-dehydrogenase () is an enzyme that catalyzes the chemical reaction

The two substrates of this enzyme are L-xylose and oxidised nicotinamide adenine dinucleotide phosphate (NADP⁺). Its products are L-xylono-1,4-lactone, 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-xylose:NADP⁺ 1-oxidoreductase. Other names in common use include L-xylose dehydrogenase, and NADPH-xylose reductase.

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