MAPK14 (p38 alpha) and MAPK11 (p38 beta) phosphorylate MAPKAPK5 (PRAK) on threonine residue 182, located in the conserved LMTP site in the T-loop of the kinase domain. Phosphorylation of T182 is necessary for the MAPKAPK5 catalytic activity (New et al. 1998).
Kato, Y, Zhu, W, Han, J, Liu, K, Flood, LJ, Zhao, M, Jiang, Y, Parry, GC, New, L
protein serine/threonine kinase activity of phospho-p38 MAPK: MAPKAPK5 [nucleoplasm]
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