Activated MAPK p38 alpha and beta phosphorylate KSRP at threonine692. The phosphorylation interferes with the ability of KSRP to bind and destabilize RNA. Thus RNAs become stabilized.
Karin, M, Briata, P, Ponassi, M, Forcales, SV, Gherzi, R, Chen, CY, Puri, PL, Corte, G
protein serine/threonine kinase activity of Phospho-MAP kinase p38 (Mg2+ cofactor) [cytosol]
© 2023 Reactome