Recombinant Human Dual specificity mitogen-activated protein kinase kinase 6 (MAP2K6)

Code CSB-EP013415HU
Size $224
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  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
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Product Details

Greater than 90% as determined by SDS-PAGE.
Target Names
Uniprot No.
Research Area
Signal Transduction
Alternative Names
Dual specificity mitogen activated protein kinase kinase 6; Dual specificity mitogen-activated protein kinase kinase 6; MAP kinase kinase 6; MAP2K6; MAPK/ERK kinase 6; MAPKK 6; MAPKK6; MEK 6; MEK6; Mitogen Activated Protein Kinase Kinase 6 ; MKK 6; MKK6; MP2K6_HUMAN; PRKMK6; protein kinase; Protein kinase mitogen activated kinase 6; protein kinase, mitogen-activated, kinase 6 (MAP kinase kinase 6); SAPK kinase 3; SAPKK-3; SAPKK3; SKK3; Stress-activated protein kinase kinase 3
Homo sapiens (Human)
Expression Region
Target Protein Sequence
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight
Protein Length
Full Length
Tag Info
N-terminal 6xHis-SUMO-tagged
Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA
Please contact us to get it.

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Target Background

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.
Gene References into Functions
  1. Data show that miR-625-3p induces oxaliplatin resistance by abrogating MAP2K6-p38-regulated apoptosis and cell cycle control networks. PMID: 27526785
  2. acts as a repressor of UCP1 expression, suggesting that its inhibition promotes adipose tissue browning and increases organismal energy expenditure PMID: 29021624
  3. Data indicate that mitogen-activated protein kinase kinase 6 (MKK6) levels were substantially higher in monocytes than in neutrophils. PMID: 25214442
  4. Data show significant increase in the expression of MKK6 in Esophageal, Stomach, and Colon cancers as compared to controls. PMID: 25019214
  5. uncover a new mechanism of deactivation of MKK6-p38 and substantiate a novel regulatory role of FBXO31 in stress response PMID: 24936062
  6. Serine phosphorylation of p66shc is carried out by active MKK6. beta-Amyloid-induced ROS production and apoptosis increased in the presence of MKK6 and p66shc, which directly associate. PMID: 24085465
  7. The models confirmed the reaction order, revealed processivity in the phosphorylation of MEK6 by ASK1, and suggested that the order of phosphorylation is dictated by both binding and catalysis rates. PMID: 23744074
  8. crystal structure of human non-phosphorylated MAP2K6 (npMAP2K6) complexed with an ATP analogue was determined at 2.6 A resolution and represents an auto-inhibition state of MAP2K6 PMID: 22383536
  9. activation by mechanical stretch induces HMGB1 and cytokine expression in A549 cells PMID: 21926646
  10. Results suggest that the p38alpha, MAPK, and MKK6 play prominent roles in IL-1beta and C/EBP-beta-mediated C3 gene expression in astrocytes. PMID: 21308746
  11. Impaired cytokine production in natural killer (NK)T cells is demonstrated from MKK3-deficient6+/- mice. PMID: 21368234
  12. we demonstrated that MKK6 has a role for regulation of dendricity in melanocytes. PMID: 20869211
  13. MKK6 and other MAP2Ks are a distinct class of cellular redox sensors PMID: 21078955
  14. MKK6 p38 alpha signaling pathway regulates the expression of RAGE induced by mechanical stretch in A549 cells. PMID: 19846005
  15. Mechanism of oxidative stress-induced ASK1-catalyzed MKK6 phosphorylation.( PMID: 20364819
  16. active MKK6 in HepG2 cells enhanced basal activity or IL-6-induced transcriptional activation of a SOCS3 promoter PMID: 11727828
  17. MKK6 is involved in a positive feedback loop regulating macrophage signaling with p38 MAP kinase PMID: 12509443
  18. role in cardioprotection PMID: 15492008
  19. PAK6 kinase activity was repressed by a p38 mitogen-activated protein (MAP) kinase antagonist and could be strongly stimulated by constitutively active MAP kinase kinase 6 (MKK6) PMID: 15550393
  20. MKK6 promotes the development of cardiomyopathy by activation of a kinase cascade PMID: 15722372
  21. MEK6E activates p38 and results in phosphorylation of its downstream substrate, heat shock protein 27 PMID: 15790570
  22. selectivity pocket compounds prevent MKK6-dependent activation of p38alpha in addition to inhibiting catalysis by activated p38alpha PMID: 16342939
  23. findings show that Yersinia YopJ acted as an acetyltransferase, using acetyl-coenzyme A (CoA) to modify the critical serine and threonine residues in the activation loop of MAPKK6 and thereby blocking phosphorylation PMID: 16728640
  24. Conditional induction of a dominant active form of MAPK kinase 6, a direct upstream kinase of p38, in Langerhans cells induces up-regulation of costimulatory molecules & enhances their T-cell stimulatory capacity. PMID: 16960152
  25. Data suggest that sequence variations of ASK1 and MAP2K6 lead to partially sex-specific changes in the levels and/or phosphorylation states of p38 and p38-regulated proteins that might contribute to the observed delaying effects in the age of onset of HD. PMID: 18327563
  26. Gel filtration and small-angle X-ray scattering analysis confirm that the crystallographically observed ellipsoidal dimer is a feature of MEK6/DeltaN/DD and full-length unphosphorylated wild-type MEK6 in solution PMID: 19141286

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Subcellular Location
Nucleus. Cytoplasm. Cytoplasm, cytoskeleton. Note=Binds to microtubules.
Protein Families
Protein kinase superfamily, STE Ser/Thr protein kinase family, MAP kinase kinase subfamily
Tissue Specificity
Isoform 2 is only expressed in skeletal muscle. Isoform 1 is expressed in skeletal muscle, heart, and in lesser extent in liver or pancreas.
Database Links

HGNC: 6846

OMIM: 601254

KEGG: hsa:5608

STRING: 9606.ENSP00000468348

UniGene: Hs.463978

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