Ug. Witt et al., Inhibition of protein phosphatases by Michael adducts of ascorbic acid analogues with alpha,beta-unsaturated carbonyl compounds, BIO MED CH, 8(4), 2000, pp. 807-813
By investigating the stereospecific Michael reaction of derivatives of asco
rbic acid with acrolein we obtained a novel class of protein Ser/Thr phosph
atase inhibitors. The inhibitory effect of the Michael adducts was examined
using the canonical protein phosphatases type 1, 2A and 2B. Of the isozyme
s examined the type 1 isoform was strongly inhibited. (C) 2000 Elsevier Sci
ence Ltd. All rights reserved.