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MAP kinase p38 alpha, a MAPK type protein kinase, is an environmental stress- and inflammatory cytokine-induced kinase that is associated with the regulation of gene expression, cell proliferation and cell death. p38alpha is phosphorylated by MEK3/MAP2K3 or MKK6/MAP2K6. Activated p38alpha either remains in the cytosol, where it phosphorylates cytosolic proteins including MNK1/2, PLA2 and PRAK, or translocates to the nucleus, where it phosphorylates several substrates, including ATF2, CHOP/GADD153, MAPKAPK-2 and -3, MEF2-A and -C, MSK, Myc binding partner Max and Sap-1a. At least four protein isoforms, resulting from alternatively spliced transcript variants of this gene, have been identified - 297, 307 and two isoforms of 360 amino acids with differing internal segments.
Gene Name: | mitogen-activated protein kinase 14 |
Family/Subfamily: | Protein Kinase , MAPK |
Synonyms: | MAPK14, CSAID-binding protein, CSBP2, CSPB1, CSBP1, Csaids binding protein, CSBP, EXIP, MAP kinase 14, MAP kinase p38 alpha, MAX-interacting protein 2, MAPK 14, p38 alpha, PRKM15, PRKM14, RK, SAPK2A, MAP kinase MXI2, Mxi2, p38ALPHA, p38, p38 MAP kinase, p38alpha Exip |
Target Sequences: | NM_001315 NP_001306.1 Q16539 |
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