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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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Product Includes Volume Solution Color
MEK1 mAb Coated Microwells 96 tests
MEK1/2 Detection Ab 5.5 ml
Anti-rabbit IgG, HRP-linked Antibody 5.5 ml
Luminol/Enhancer Solution 3 ml
Stable Peroxide Buffer 3 ml
Sealing Tape 2 sheets
ELISA Wash Buffer (20X) 25 ml
Sample Diluent 25 ml
Cell Lysis Buffer (10X) 9803 15 ml

Product Description

The PathScan® Total MEK1 Chemiluminescent Sandwich ELISA Kit is a solid phase sandwich enzyme-linked immunosorbent assay (ELISA) that detects endogenous levels of total MEK1 protein with a chemiluminescent readout. Chemiluminescent ELISAs often have a wider dynamic range and higher sensitivity than conventional chromogenic detection. This chemiluminescent ELISA, which is offered in low volume microplates, shows increased signal and sensitivity while using smaller sample size. A MEK1 mouse mAb has been coated on the microwells. After incubation with cell lysates, the MEK1 protein is captured by the coated antibody. Following extensive washing, a MEK1/2 rabbit antibody is added to detect the captured total MEK1 protein. Anti-rabbit IgG, HRP-linked antibody is then used to recognize the bound detection antibody. Chemiluminescent reagent is added for signal development. The magnitude of light emission, measured in relative light units (RLU), is proportional to the quantity of total MEK1 protein.


Specificity / Sensitivity

CST's PathScan® Total MEK1 Chemiluminescent Sandwich ELISA Kit #7030 detects endogenous levels of total MEK1 protein in human and mouse cells. This kit 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, 1610-1619.

3.  Rosen, L.B. et al. (1994) Neuron 12, 1207-1221.

4.  Cowley, S. et al. (1994) Cell 77, 841-852.


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.