Activated MAPKAPK5 phosphorylates HSP40/DNAJB1 at serines 149, 151 and 171, promoting the ATP hydrolysis activity of the HSP40/HSP70 complex and enhancing the repression of heat shock factor 1 (HSF1) driven transcription by HSP40/DNAJB1 (Kostenko et al, 2014).
Jensen, KL, Kostenko, S, Moens, U
protein serine/threonine kinase activity of p-T182 MAPKAPK5:DNAJB1 [cytosol]
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