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Aldo-keto reductase IolS

UniProtKB accession:  P46336
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Go to UniProtKB:  P46336
UniProtKB description:  In vitro, is able to reduce the standard aldo-keto reductase (AKR) substrates DL-glyceraldehyde, D-erythrose and methylglyoxal in the presence of NADPH, albeit with poor efficiency. Shows only trace activity with benzaldehyde and butyraldehyde. Is unable to oxidize myo-inositol with either NADP(+) or NAD(+) as a cosubstrate and also does not use glucose, 2-pyridine carboxyaldehyde, fructose, xylose and succinyl semialdehyde as a substrate (PubMed:12554958, PubMed:15019785). The physiological function of this enzyme is not clear (PubMed:15019785). Does not seem to be necessary for inositol catabolism (PubMed:9226270).
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