MAP2K3

MAP2K3

A gene on chromosome 17q11.2 that encodes a MAPK kinase belonging to a protein kinase signal transduction cascade. MAP2K3 is a dual-specificity kinase, which is activated by cytokines and environmental stress; it catalyses phosphorylation of threonine and tyrosine residues in MAPK14/MAP kinase p38.

Molecular pathology
Defects in MAP2K3 have been described in colorectal cancer.
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MAP2K3 is a MAP kinase kinase family member that could potentially function as an oncogene by phosphorylating and activating p38 MAPK and MAPK14.