Function
Catalyzes the NADPH-dependent reduction of a variety of substrates including aromatic and aliphatic aldehydes, quinones, ketones, dicarbonyl compounds and 17-ketosteroids (PubMed:17574202). Catalyzes the NADP(+)-dependent oxidation of aromatic, alicyclic and aliphatic alcohols, and 17beta-hydroxysteroids (PubMed:17574202). To a lesser extent, can also catalyze the reduction of some aldoses and ketoses and the oxidation of some sugar alcohols (PubMed:17574202). In the stomach, lung and colon tissues, mediates the reduction of farnesal and geranylgeranial into farnesol and geranylgeraniol respectively (PubMed:21187079). By reducing 4-hydroxy-2-nonenal (HNE), produced during lipid peroxidation, into 1,4-dihydro-2-nonene (DHN), protects vascular endothelial cells from damage elicited by oxidized lipoproteins (PubMed:21187080).
Sequence
MDLKHSRSVKLNDGNLMPVLGFGTFASKEIPKSKAAEATKVAIDVGFRHIDAAYFYQNEEEVGQALRDKMADGTVKREDLFYTTKIWITFLRPELVRQCLERSLKKLGLDYVDLCIIHIPIAMKPGEELLPKDANGKFIFDTVDIRDTWEALEKCKDAGLSKSIGVSNFNHKQLELILNKPRLKYKPTCNQVECHPYLNQSKLLEFCKSKDIVLVAYSALGSHRDSSWVSSDSPYLLEDPVLMTIAKKHNQTPGQVALRYQLQRGVVVLAKSFNEKRIKENFQVFDFELTPEDMKTIDSLNRNFRYSQMAFALDHPDYPFLEEY