MEK1/mitogen activated protein kinase/ERK kinase 1/microtubule-associated protein 2 kinase is a dual specificity kinase and catalyzes both a threonine and a tyrosine residue on MAP kinases ERK1 and ERK2. Mek1 is activated by phosphorylation of serine 218 and 222 residues by Raf1. It is known to be involved in the signaling during stress activate response, apoptosis and proliferative induction by cytokines. Mutations in the gene can lead to cardiofaciocutaneous syndrome.
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Protein Aliases: Dual specificity mitogen-activated protein kinase kinase 1; EC 188.8.131.52; ERK activator kinase 1; kinase MEK1; MAP kinase kinase 1; MAP kinase/Erk kinase 1; MAPK/ERK kinase 1; MAPKK 1; MEK 1; mitogen activated protein kinase kinase 1; mitogen-activated protein kinase kinase 1; MKK (Thr292); MKK (Thr386); MKK2; MP2K1; PRKMK2; protein kinase, mitogen activated, kinase 1, p45; protein kinase, mitogen-activated, kinase 1 (MAP kinase kinase 1)
Gene Aliases: CFC3; MAP2K1; MAPKK1; MEK1; MEKK1; MKK1; PRKMK1
Molecular Function: non-receptor serine/threonine protein kinase