The protein encoded by this gene is a member of the serine/threonine kinase family. In response to cellular stress and proinflammatory cytokines, this kinase is activated through its phosphorylation by MAP kinases including MAPK1/ERK, MAPK14/p38-alpha, and MAPK11/p38-beta. In vitro, this kinase phosphorylates heat shock protein HSP27 at its physiologically relevant sites. Two alternately spliced transcript variants of this gene encoding distinct isoforms have been reported.
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Protein Aliases: MAP kinase-activated protein kinase 5; MAPK-activated protein kinase 5; MAPKAP kinase 5; MAPKAPK-5; p38-regulated/activated protein kinase; PRAK
Gene Aliases: MAPKAP-K5; MAPKAPK5; MK-5; MK5; PRAK
UniProt ID: (Human) Q8IW41
Entrez Gene ID: (Human) 8550
Molecular Function: non-receptor serine/threonine protein kinase