Date published: 2026-4-12

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MEK kinase-1 Antibody (1-9C-2A): sc-449

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Datasheets
  • MEK kinase-1 Antibody (1-9C-2A) is a mouse monoclonal IgG1 κ MEK kinase-1 antibody, cited in 17 publications, provided at 200 µg/ml
  • raised against amino acids 1-301 mapping near the N-terminus of MEK kinase-1 of human origin
  • MEK kinase-1 Antibody (1-9C-2A) is recommended for detection of MEK kinase-1 of mouse, rat and human origin by WB, IP and IF
  • Anti-MEK kinase-1 Antibody (1-9C-2A) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for MEK kinase-1 Antibody (1-9C-2A) for WB applications. These reagents are now offered in bundles with MEK kinase-1 Antibody (1-9C-2A) (see ordering information below).
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MEK kinase-1 Antibody (1-9C-2A) is a mouse monoclonal IgG1 kappa light chain antibody that detects MEK kinase-1 protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), and immunofluorescence (IF). MEK kinase-1 (1-9C-2A) antibody is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase, phycoerythrin, fluorescein isothiocyanate, and multiple Alexa Fluor® conjugates. MEK kinase-1 plays a crucial role in the mitogen-activated protein kinase (MAPK) signaling pathway, which is essential for cellular responses to growth factors and other extracellular signals. MEK kinase-1 is responsible for phosphorylating and activating MAP2K1 and MAP2K4, which in turn activate the extracellular signal-regulated kinases (ERK) and c-Jun NH(2)-terminal kinase (JNK) pathways. This activation is vital for regulating various cellular processes, including proliferation, differentiation, and survival. MEK kinase-1 is involved in the NFκB signaling pathway, activating central protein kinases such as CHUK and IKBKB, which are important for immune responses and inflammation. MEK kinase-1 utilizes an E3 ligase through its PHD domain for targeting proteins for degradation via ubiquitination, highlighting its role in maintaining cellular homeostasis and regulating protein levels within the cell.

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 kinase-1 Antibody (1-9C-2A) References:

  1. Differential involvement of MEK kinase 1 (MEKK1) in the induction of apoptosis in response to microtubule-targeted drugs versus DNA damaging agents.  |  Gibson, S., et al. 1999. J Biol Chem. 274: 10916-22. PMID: 10196170
  2. MEK kinase 1 induces mitochondrial permeability transition leading to apoptosis independent of cytochrome c release.  |  Gibson, EM., et al. 2002. J Biol Chem. 277: 10573-80. PMID: 11756439
  3. A role for MEK kinase 1 in TGF-beta/activin-induced epithelium movement and embryonic eyelid closure.  |  Zhang, L., et al. 2003. EMBO J. 22: 4443-54. PMID: 12941696
  4. Ablation of MEK kinase 1 suppresses intimal hyperplasia by impairing smooth muscle cell migration and urokinase plasminogen activator expression in a mouse blood-flow cessation model.  |  Li, Y., et al. 2005. Circulation. 111: 1672-8. PMID: 15795331
  5. MEK kinase 1 is essential for Bcr-Abl-induced STAT3 and self-renewal activity in embryonic stem cells.  |  Nakamura, Y., et al. 2005. Oncogene. 24: 7592-8. PMID: 16044153
  6. MEK kinase 1: kinase domain deficiency in mice reveals a role in orchestrating the thymus-dependent immunity and TNFR family signaling.  |  Gallagher, E. 2011. Adv Exp Med Biol. 691: 391-7. PMID: 21153343
  7. A divergence in the MAP kinase regulatory network defined by MEK kinase and Raf.  |  Lange-Carter, CA., et al. 1993. Science. 260: 315-9. PMID: 8385802
  8. Cloning of rat MEK kinase 1 cDNA reveals an endogenous membrane-associated 195-kDa protein with a large regulatory domain.  |  Xu, S., et al. 1996. Proc Natl Acad Sci U S A. 93: 5291-5. PMID: 8643568
  9. Molecular cloning and characterization of a novel protein kinase with a catalytic domain homologous to mitogen-activated protein kinase kinase kinase.  |  Wang, XS., et al. 1996. J Biol Chem. 271: 31607-11. PMID: 8940179
  10. Cloning of a novel mitogen-activated protein kinase kinase kinase, MEKK4, that selectively regulates the c-Jun amino terminal kinase pathway.  |  Gerwins, P., et al. 1997. J Biol Chem. 272: 8288-95. PMID: 9079650
  11. MEK kinases are regulated by EGF and selectively interact with Rac/Cdc42.  |  Fanger, GR., et al. 1997. EMBO J. 16: 4961-72. PMID: 9305638
  12. Grb2 interaction with MEK-kinase 1 is involved in regulation of Jun-kinase activities in response to epidermal growth factor.  |  Pomérance, M., et al. 1998. J Biol Chem. 273: 24301-4. PMID: 9733714

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

MEK kinase-1 Antibody (1-9C-2A)

sc-449
200 µg/ml
$322.00

MEK kinase-1 Antibody (1-9C-2A): m-IgG Fc BP-HRP Bundle

sc-526458
200 µg Ab; 10 µg BP
$361.00

MEK kinase-1 Antibody (1-9C-2A): m-IgG1 BP-HRP Bundle

sc-531831
200 µg Ab; 20 µg BP
$361.00

MEK kinase-1 Antibody (1-9C-2A) AC

sc-449 AC
500 µg/ml, 25% agarose
$424.00

MEK kinase-1 Antibody (1-9C-2A) HRP

sc-449 HRP
200 µg/ml
$322.00

MEK kinase-1 Antibody (1-9C-2A) FITC

sc-449 FITC
200 µg/ml
$336.00

MEK kinase-1 Antibody (1-9C-2A) PE

sc-449 PE
200 µg/ml
$349.00

MEK kinase-1 Antibody (1-9C-2A) Alexa Fluor® 488

sc-449 AF488
200 µg/ml
$364.00

MEK kinase-1 Antibody (1-9C-2A) Alexa Fluor® 546

sc-449 AF546
200 µg/ml
$364.00

MEK kinase-1 Antibody (1-9C-2A) Alexa Fluor® 594

sc-449 AF594
200 µg/ml
$364.00

MEK kinase-1 Antibody (1-9C-2A) Alexa Fluor® 647

sc-449 AF647
200 µg/ml
$364.00

MEK kinase-1 Antibody (1-9C-2A) Alexa Fluor® 680

sc-449 AF680
200 µg/ml
$364.00

MEK kinase-1 Antibody (1-9C-2A) Alexa Fluor® 790

sc-449 AF790
200 µg/ml
$364.00

Are there any issues with using sc-449: MEK kinase-1 (1-9C-2A) mouse monoclonal primary antibody on mouse samples?

Asked by: AbPolly
Thank you for your inquiry. The use of mouse monoclonal antibodies with mouse samples is very common and typically poses no problem. To eliminate any potential cross-reactivity of an anti-mouse secondary detection reagent,we recommend using a directly conjugated primary antibody. Please contact our special orders department for pricing and availability of sc-449 conjugates.
Answered by: Technical Support
Date published: 2017-03-07
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Rated 1 out of 5 by from Did not workTried this on HeLa lysates (40 ug lysate loaded per lane). I did not see anything for 1:1000, 1:500 or even 1:200 dilution. 1:100 shows multiple bands, but nothing at the predicted MW.
Date published: 2022-02-14
Rated 5 out of 5 by from remarkableI used diluted 1/1000 to get the strong band, which was in the right place for the target band, the band about 80kDa
Date published: 2017-10-18
Rated 5 out of 5 by from obtained expected resultThis antibody against the target protein MEK kinase-1, specific band presen at the target position,while the siRNA interfere controled lane shows weak expression,very specific and satisfied result by diluted the antibody at 1:500.
Date published: 2017-07-29
Rated 5 out of 5 by from western blotThe antibody used for Western blot, BEWO cell lines, Wenstern blot bands were clear, no obvious impurity band, we have another gene, antibody effect is given before the good, we will continue to order the company's antibody products
Date published: 2017-02-20
Rated 5 out of 5 by from Excellent!This antibody is great in western blot analysis of MEK kinase-1 expression in A-431 whole cell lysate.
Date published: 2017-02-03
Rated 5 out of 5 by from See the signalWe experience some troubles at first while trying to determine the right dilution,we ended up seeing signal at dilution 1:200.
Date published: 2016-12-17
Rated 4 out of 5 by from Band seen in WB using ABand seen in WB using A-431 whole cell lysate. -SCBT QC
Date published: 2015-06-01
Rated 5 out of 5 by from This antibody was used in a publication forThis antibody was used in a publication for KA and WB on transfetced LnCAP - SCBT Publication Review
Date published: 2015-04-23
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MEK kinase-1 Antibody (1-9C-2A) is rated 4.5 out of 5 by 11.
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