Aldehyde dehydrogenase (NAD(P)+)

Template:Infobox enzyme In enzymology, an aldehyde dehydrogenase [NAD(P)+] (Template:EC number) is an enzyme that catalyzes the chemical reaction

an aldehyde + NAD(P)+ + H₂O $\rightleftharpoons$ an acid + NAD(P)H + H⁺

The 4 substrates of this enzyme are aldehyde, NAD⁺, NADP⁺, and H₂O, whereas its 4 products are acid, NADH, NADPH, and H⁺.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the aldehyde or oxo group of donor with NAD+ or NADP+ as acceptor. The systematic name of this enzyme class is aldehyde:NAD(P)+ oxidoreductase. Other names in common use include aldehyde dehydrogenase [NAD(P)+], and ALDH. This enzyme participates in 5 metabolic pathways: glycolysis / gluconeogenesis, histidine metabolism, tyrosine metabolism, phenylalanine metabolism, and metabolism of xenobiotics by cytochrome p450.

Structural studies

As of late 2007, 4 structures have been solved for this class of enzymes, with PDB accession codes Template:PDB link, Template:PDB link, Template:PDB link, and Template:PDB link.

References

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• Boyer, P.D., Lardy, H. and Myrback, K. (Eds.), The Enzymes, 2nd ed., vol. 7, Academic Press, New York, 1963, p. 203-221.
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