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Important Ordering Details

Custom Ordering Details: Product is assembled upon order to ensure maximum activity. United States: Please allow up to two weeks for your order to be processed and shipped. Outside of the United States: Please allow up to three weeks, depending on the country, for your order to be processed and shipped. When ordering five or more kits, please contact us for processing time and pricing at sales@cellsignal.com.
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PhosphoSitePlus® Resource

  • Additional protein information
  • Analytical tools

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REACTIVITY
Product Includes Volume Cap Color
Total MEK1 Capture Ab(100X) 0.4 ml Pink
Total MEK1/2 Detection Ab (100X) 0.4 ml Blue
Anti-mouse IgG, HRP-linked Antibody 0.04 ml Red

Product Description

CST's PathScan® Total MEK1 Sandwich ELISA Antibody Pair is offered as an economical alternative to our PathScan® Total MEK1 Sandwich ELISA Kit #7165. Capture and Detection antibodies (100X stocks) and HRP-conjugated secondary antibody (1000X stock) are supplied. Sufficient reagents are supplied for 4 x 96 well ELISAs. The MEK1 Capture Antibody is coated in PBS overnight in a 96 well microplate. After blocking, cell lysates are added followed by a MEK1/2 Detection Antibody and anti-Rabbit IgG, HRP-conjugated antibody. HRP substrate, TMB, is added for color development. The magnitude of the absorbance for this developed color is proportional to the quantity of total MEK1/2 protein.

Antibodies in kit are custom formulations specific to kit.


Product Usage Information

Antibody pairs have been optimized using recommended buffers, reagents, plates and the included protocol. Solutions should be made fresh daily.


Storage: Capture and detection antibodies are stored at 4°C. HRP-linked secondary reagent is stored at -20°C.

Specificity / Sensitivity

For Antibody Pair specificity and sensitivity, please refer to the corresponding PathScan® Sandwich ELISA Kit. Note: This antibody pair detects proteins from the indicated species, as determined through in-house testing, but may also detect homologous proteins from other species.


MEK1 and MEK2, also called MAPK or Erk kinases, are dual-specificity protein kinases that function in a mitogen activated protein kinase cascade controlling cell growth and differentiation (1-3). Activation of MEK1 and MEK2 occurs through phosphorylation of two serine residues at positions 217 and 221, located in the activation loop of subdomain VIII, by Raf-like molecules. MEK1/2 is activated by a wide variety of growth factors and cytokines and also by membrane depolarization and calcium influx (1-4). Constitutively active forms of MEK1/2 are sufficient for the transformation of NIH/3T3 cells or the differentiation of PC-12 cells (4). MEK activates p44 and p42 MAP kinase by phosphorylating both threonine and tyrosine residues at sites located within the activation loop of kinase subdomain VIII.


1.  Crews, C.M. et al. (1992) Science 258, 478-480.

2.  Alessi, D.R. et al. (1994) EMBO J. 13, 1610-19.

3.  Rosen, L.B. et al. (1994) Neuron 12, 1207-21.

4.  Cowley, S. et al. (1994) Cell 77, 841-52.


Entrez-Gene Id 5604
Swiss-Prot Acc. Q02750


For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
PathScan is a trademark of Cell Signaling Technology, Inc.

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PathScan® Total MEK1 Sandwich ELISA Antibody Pair