catalytic activity:ATP + a protein = ADP + a phosphoprotein.,enzyme regulation:Activated by phosphorylation.,function:Phosphorylates MAP kinase p38. Seems to be active only in mitosis. May also play a role in the activation of lymphoid cells. When phosphorylated, forms a complex with TP53, leading to TP53 destabilization and attenuation of G2/M checkpoint during doxorubicin-induced DNA damage.,PTM:Phosphorylated; in a cell-cycle dependent manner at mitosis.,similarity:Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. MAP kinase kinase subfamily.,similarity:Contains 1 protein kinase domain.,subunit:Interacts with DLG1 and TP53.,tissue specificity:Expressed in the testis and placenta. In the testis, restrictedly expressed in outer cell layer of seminiferous tubules.,
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Function:
M phase of mitotic cell cycle, mitotic cell cycle, M phase, nuclear division, protein amino acid phosphorylation,phosphorus metabolic process, phosphate metabolic process, cell cycle, mitosis, phosphorylation, cell cycle process,cell cycle phase, organelle fission,
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Tissue Expression:
Expressed in the testis and placenta. In the testis, restrictedly expressed in outer cell layer of seminiferous tubules.