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Anti-MEK1/2 Purified

MEK (MAPKK, kinase of mitogen-activated protein kinase) is the medium one of three components of MAP kinase cascade – an important signaling pathway that regulates cell growth and differentiation. Raf (MAPKKK) activates MEK 1 and 2 via phosphorylation of two serine residues (Ser218 and Ser222) . Activated MEK 1/2 then acts as a dual specificity kinase phosphorylating both a threonine and a tyrosine residue on ERK (MAPK, mitogen-activated protein kinase) . This phosphorylation of ERK by MEK 1/2 is a critical step in the MAP kinase cascade. Phosphorylated ERK is capable of translocating to the nucleus, where it regulates gene expression by activating transcription factors.

Product Specifications

Certification

RUO

Immunogen

Synthetic peptide (coupled with KLH) derived from aminoacid sequence 33-53 of human MAPK Kinase 1. The immunogen sequence is highly conserved within species (human, mouse, rat, hamster, bovine etc.) .

Target Antigen

MEK1/2

Clone

PAb (508)

Applications

WB

Concentration

1 mg/mL

Format

Purified

Buffer

Stabilizing phosphate buffered saline (PBS), pH 7.4, 15 mM sodium azide

References & Citations

*Sikorski K, Mehta A, Inngjerdingen M, Thakor F, Kling S, Kalina T, Nyman TA, Stensland ME, Zhou W, de Souza GA, Holden L, Stuchly J, Templin M, Lund-Johansen F: A high-throughput pipeline for validation of antibodies. Nat Methods. 2018 Nov;15 (11) :909-912., URL: https://www.ncbi.nlm.nih.gov/pubmed/30377371

Other References

*Park ER, Eblen ST, Catling AD: MEK1 activation by PAK: a novel mechanism. Cell Signal. 2007 Jul;19 (7) :1488-96. , URL: https://www.ncbi.nlm.nih.gov/pubmed/17314031?ordin, *Scholl FA, Dumesic PA, Barragan DI, Harada K, Bissonauth V, Charron J, Khavari PA. Mek1/2 MAPK kinases are essential for Mammalian development, homeostasis, and Raf-induced hyperplasia. Dev Cell. 2007 Apr;12 (4) :615-29., URL: https://www.ncbi.nlm.nih.gov/pubmed/17419998?ordin, *McCubrey JA, Steelman LS, Chappell WH, Abrams SL, Wong EW, Chang F, Lehmann B, Terrian DM, Milella M, Tafuri A, Stivala F, Libra M, Basecke J, Evangelisti C, Martelli AM, Franklin RA. Roles of the Raf/MEK/ERK pathway in cell growth, malignant transformation and drug resistance. Biochim Biophys Acta. 2007 Aug;1773 (8) :1263-84., URL: https://www.ncbi.nlm.nih.gov/pubmed/17126425?ordin, *Sundaram MV: RTK/Ras/MAPK signaling. WormBook. 2006 Feb 11; :1-19., URL: https://www.ncbi.nlm.nih.gov/pubmed/18050474?ordin, *Park JI, Strock CJ, Ball DW, Nelkin BD: The Ras/Raf/MEK/extracellular signal-regulated kinase pathway induces autocrine-paracrine growth inhibition via the leukemia inhibitory factor/JAK/STAT pathway. Mol Cell Biol. 2003 Jan;23 (2) :543-54., URL: https://www.ncbi.nlm.nih.gov/pubmed/12509453?ordin, *Chang F, Steelman LS, Lee JT, Shelton JG, Navolanic PM, Blalock WL, Franklin RA, McCubrey JA: Signal transduction mediated by the Ras/Raf/MEK/ERK pathway from cytokine receptors to transcription factors: potential targeting for therapeutic intervention. Leukemia. 2003 Jul;17 (7) :1263-93., URL: https://www.ncbi.nlm.nih.gov/pubmed/12835716?ordin

Storage Conditions

Store at 2-8°C. Do not freeze.

Specificity

The polyclonal antibody reacts with intracellular antigens MEK 1/2. MEK 1 and MEK 2 are integral components of the MAP kinase cascade, an important pathway for cell growth and differentiation.

Applications Notes

Western blotting: Recommended dilution 0.5 μg/ml; positive material: RAJI human Burkitt lymphoma cell line, both reducing and non-reducing conditions, reducing conditions are recommended.

Species

Human

CAS Number

9007-83-4

Isotype

Rabbit polyclonal

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