MEK2: a dual-specificity protein kinase of the STE7 kinase family. Phosphorylated and activated by Raf and Mos kinases. Phosphorylates a Thr and a Tyr residue in a Thr-Glu-Tyr sequence located in the activation loop of ERK2 and ERK3. A component of MAP kinase signal transduction pathways involved in mitogen growth factor signal transduction.
Protein type: EC 2.7.12.2; Protein kinase, dual-specificity (non-receptor); Protein kinase, STE; Kinase, protein; STE group; STE7 family
Chromosomal Location of Human Ortholog: 19p13.3
Cellular Component: Golgi apparatus; peroxisomal membrane; microtubule; internal side of plasma membrane; focal adhesion; mitochondrion; endoplasmic reticulum; early endosome; extracellular region; intercellular junction; cell cortex; cytosol; perinuclear region of cytoplasm; late endosome; cytoplasm; nucleus
Molecular Function: MAP kinase kinase activity; protein serine/threonine kinase activity; protein serine/threonine kinase activator activity; protein binding; protein-tyrosine kinase activity; protein serine/threonine/tyrosine kinase activity; protein complex scaffold; ATP binding; PDZ domain binding
Biological Process: epidermal growth factor receptor signaling pathway; axon guidance; fibroblast growth factor receptor signaling pathway; peptidyl-tyrosine phosphorylation; activation of MAPKK activity; nerve growth factor receptor signaling pathway; activation of MAPK activity; MyD88-independent toll-like receptor signaling pathway; MAPKKK cascade; stress-activated MAPK cascade; pathogenesis; toll-like receptor 3 signaling pathway; toll-like receptor 2 signaling pathway; toll-like receptor 10 signaling pathway; MyD88-dependent toll-like receptor signaling pathway; toll-like receptor 5 signaling pathway; regulation of stress-activated MAPK cascade; small GTPase mediated signal transduction; Ras protein signal transduction; insulin receptor signaling pathway; toll-like receptor signaling pathway; innate immune response; toll-like receptor 9 signaling pathway; vascular endothelial growth factor receptor signaling pathway; toll-like receptor 4 signaling pathway
Disease: Cardiofaciocutaneous Syndrome 4
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