Date published: 2026-4-21

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MEK-3/6 Antibody (E-3): sc-137106

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Datasheets
  • MEK-3/6 Antibody (E-3) is a mouse monoclonal IgG2a κ provided at 200 µg/ml
  • raised against amino acids 229-318 mapping at the C-terminus of MEK-3/6 of human origin
  • recommended for detection of MEK-3 and MEK-6 of mouse, rat and human origin by WB, IP, IF and ELISA; also reactive with additional species, including and equine, canine and bovine
  • m-IgG Fc BP-HRP and m-IgG2a BP-HRP are the preferred secondary detection reagents for MEK-3/6 Antibody (E-3) for WB applications. These reagents are now offered in bundles with MEK-3/6 Antibody (E-3) (see ordering information below).
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    MEK-3/6 Antibody (E-3) is a mouse monoclonal IgG2a antibody that detects MEK-3/6 in mouse, rat, and human samples through applications such as western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). MEK-3, also known as MKK-3, plays a crucial role in the activation of the p38 MAP kinase pathway, which is essential for cellular responses to stress, inflammation, and apoptosis. MEK-3 is primarily located in the cytoplasm, where MEK-3 acts as a key regulator in the signaling cascade that mediates these critical cellular processes. Proper functioning of MEK-3 is vital, as dysregulation can lead to various diseases, including cancer and inflammatory disorders. By phosphorylating p38 MAP kinase, MEK-3 influences downstream targets that control gene expression and cell survival, making MEK-3 an important focus for research in therapeutic interventions. Anti-MEK-3/6 antibody (E-3) is an invaluable tool for researchers aiming to explore the intricate signaling pathways involving p38 MAP kinase and its implications in health and disease.

    For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

    Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

    LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

    MEK-3/6 Antibody (E-3) References:

    1. MEK6 regulates human involucrin gene expression via a p38alpha - and p38delta -dependent mechanism.  |  Dashti, SR., et al. 2001. J Biol Chem. 276: 27214-20. PMID: 11454875
    2. Tissue inhibitor of metalloproteinase-1 promotes hematopoietic differentiation via caspase-3 upstream the MEKK1/MEK6/p38alpha pathway.  |  Dassé, E., et al. 2007. Leukemia. 21: 595-603. PMID: 17301822
    3. Cytokine activation of p38 mitogen-activated protein kinase and apoptosis is opposed by alpha-4 targeting of protein phosphatase 2A for site-specific dephosphorylation of MEK3.  |  Prickett, TD. and Brautigan, DL. 2007. Mol Cell Biol. 27: 4217-27. PMID: 17438131
    4. The structure of the MAP2K MEK6 reveals an autoinhibitory dimer.  |  Min, X., et al. 2009. Structure. 17: 96-104. PMID: 19141286
    5. Molecular Changes Involving MEK3-p38 MAPK Activation in Chronic Masticatory Myalgia.  |  Meng, H., et al. 2016. J Dent Res. 95: 1169-75. PMID: 27418173
    6. MTA2 silencing attenuates the metastatic potential of cervical cancer cells by inhibiting AP1-mediated MMP12 expression via the ASK1/MEK3/p38/YB1 axis.  |  Lin, CL., et al. 2021. Cell Death Dis. 12: 451. PMID: 33958583
    7. Quadruple and Truncated MEK3 Mutants Identified from Acute Lymphoblastic Leukemia Promote Degradation and Enhance Proliferation.  |  Ayala-Marin, YM., et al. 2021. Int J Mol Sci. 22: PMID: 34830095
    8. PPM1G promotes the progression of lung adenocarcinoma by inhibiting p38 activation via dephosphorylation of MEK6.  |  Chen, J., et al. 2023. Carcinogenesis. 44: 93-104. PMID: 36349938
    9. Cloning and characterization of MEK6, a novel member of the mitogen-activated protein kinase kinase cascade.  |  Stein, B., et al. 1996. J Biol Chem. 271: 11427-33. PMID: 8626699
    10. Chromosomal localization of four MAPK signaling cascade genes: MEK1, MEK3, MEK4 and MEKK5.  |  Rampoldi, L., et al. 1997. Cytogenet Cell Genet. 78: 301-3. PMID: 9465908

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    MEK-3/6 Antibody (E-3)

    sc-137106
    200 µg/ml
    $322.00

    MEK-3/6 Antibody (E-3): m-IgG Fc BP-HRP Bundle

    sc-539936
    200 µg Ab; 10 µg BP
    $361.00

    MEK-3/6 Antibody (E-3): m-IgG2a BP-HRP Bundle

    sc-546823
    200 µg Ab; 10 µg BP
    $361.00

    How much sample do you recommend loading on the gel for Western blot detection using MEK-3/6 (E-3): sc-137106?

    Asked by: Dr Ninau Qelp
    We recommend loading 40–60 µg whole cell lysate, 10–20 µg nuclear extract, 5-10 µg transfected lysate, or 10–20 ng purified protein per lane. A link to our complete Western blotting protocol is provided here for your reference: https://www.scbt.com/scbt/resources/protocols/western-immuno-blotting
    Answered by: Technical Support
    Date published: 2017-03-01
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    Rated 5 out of 5 by from Good Western Blot data of MEKGood Western Blot data of MEK-3 expression in non-transfected and human MEK-3 transfected 293T whole cell lysates. -SCBT QC
    Date published: 2015-04-19
    Rated 5 out of 5 by from Good Western Blot data of MEKGood Western Blot data of MEK-3/6 expression in NIH/3T3 whole cell lysate. -SCBT QC
    Date published: 2013-09-23
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    MEK-3/6 Antibody (E-3) is rated 5.0 out of 5 by 2.
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