p38 MAPK activation leads to CREB Serine 133 phosphorylation through the activation of MAPKAP kinase 2 or the closely related MAPKAP kinase 3.
Bonni, A, Dudek, H, Greenberg, ME, Ginty, DD
protein serine/threonine kinase activity of p-T222,S272-MAPKAPK2 [nucleoplasm]
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