|Reactivity||Human, Mouse, Rat|
|Calculated MW||37492 Da|
|Other Names||Dual specificity mitogen-activated protein kinase kinase 6, MAP kinase kinase 6, MAPKK 6, MAPK/ERK kinase 6, MEK 6, Stress-activated protein kinase kinase 3, SAPK kinase 3, SAPKK-3, SAPKK3, MAP2K6, MEK6, MKK6, PRKMK6, SKK3|
|Target/Specificity||A synthetic peptide corresponding to residues in the N-term of human MKK6 was used as immunogen.|
|Format||50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||MKK6 Antibody (N-term) is for research use only and not for use in diagnostic or therapeutic procedures.|
|Synonyms||MEK6, MKK6, PRKMK6, SKK3|
|Function||Dual specificity protein kinase which acts as an essential component of the MAP kinase signal transduction pathway. With MAP3K3/MKK3, catalyzes the concomitant phosphorylation of a threonine and a tyrosine residue in the MAP kinases p38 MAPK11, MAPK12, MAPK13 and MAPK14 and plays an important role in the regulation of cellular responses to cytokines and all kinds of stresses. Especially, MAP2K3/MKK3 and MAP2K6/MKK6 are both essential for the activation of MAPK11 and MAPK13 induced by environmental stress, whereas MAP2K6/MKK6 is the major MAPK11 activator in response to TNF. MAP2K6/MKK6 also phosphorylates and activates PAK6. The p38 MAP kinase signal transduction pathway leads to direct activation of transcription factors. Nuclear targets of p38 MAP kinase include the transcription factors ATF2 and ELK1. Within the p38 MAPK signal transduction pathway, MAP3K6/MKK6 mediates phosphorylation of STAT4 through MAPK14 activation, and is therefore required for STAT4 activation and STAT4-regulated gene expression in response to IL-12 stimulation. The pathway is also crucial for IL-6-induced SOCS3 expression and down-regulation of IL-6-mediated gene induction; and for IFNG- dependent gene transcription. Has a role in osteoclast differentiation through NF-kappa-B transactivation by TNFSF11, and in endochondral ossification and since SOX9 is another likely downstream target of the p38 MAPK pathway. MAP2K6/MKK6 mediates apoptotic cell death in thymocytes. Acts also as a regulator for melanocytes dendricity, through the modulation of Rho family GTPases.|
|Cellular Location||Nucleus. Cytoplasm. Cytoplasm, cytoskeleton. Note=Binds to microtubules|
|Tissue Location||Isoform 2 is only expressed in skeletal muscle. Isoform 1 is expressed in skeletal muscle, heart, and in lesser extent in liver or pancreas.|
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Provided below are standard protocols that you may find useful for product applications.
Mitogen-acitvated protein kinase kinase 6 (MKK6) belongs to the serine/threonine protein kinase family and the MAPK kinase subfamily (MAP2K, MKK or MEKs). MAPKs require dual phosphorylation on threonine and tyrosine residues, an activation step carried out by MAPK kinase (1-2). MKK6, closely related to MKK3, efficiently phosphorylates and activates p38 MAP kinase in response to inflammatory cytokines and environmental stress but not JNK or ERK (3). MTK1 phosphorylates MKK6 on serine 207 and threonine 211 (4).
1. Han, J.; Lee, J.-D.; Jiang, Y.; Li, Z.; Feng, L.; Ulevitch, R. J. : J. Biol. Chem. 271: 2886-2891, 1996.
2. Seger, R.; Krebs, E. G. : FASEB J. 9: 726-735, 1995.
3. Bernd Stein, Helen Brady, Maria X. Yang , David B. Young, Miguel S. Barbosa, Volume 271, Number 19, Issue of May 10, 1996 pp. 11427-11433
4. Hiroaki Mita, Junichiro Tsutsui, Mutsuhiro Takekawa, Elizabeth A. Witten, and Haruo Saito, Mol. Cell. Biol. July 2002, p. 4544-4555, Vol. 22, No. 13
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