Phospho-MEK1/2 (Ser217/221) (H2) rabbit mAb

Catalog
2306
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200 uL (0.5 mg/mL)(2306) $475.00
20 uL (0.5 mg/mL)(2306S) $175.00
$175.00
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Note

20 μL is enough antibody for at least 20 Western blots. 

Product Overview
Description Mitogen-activated protein kinase (MAPK) is the main building block of the intracellular signaling network. The signals are initiated by activation of a small G protein (e.g., Ras), followed by a sequential activation of several sets of protein kinases. The extracellular signal-regulated kinase (ERK) pathway is stimulated by a large number of extracellular stimuli as well as various internal processes. This cascade regulates processes related to proliferation, differentiation, development, and oncogenic transformation. The signaling is usually initially started by activation of small G proteins (e.g. Ras), which in turn recruits to the membrane and activates the MAP3K (Raf kinase). The cascade leads to the activation of MAP kinase kinases (MEKs). MEKs are phosphorylated at Ser218 and Ser222 in MEK1. The phosphorylation activates MEKs. Phosphorylation of MEK at other sites regulates its activity as well. For example, phosphorylation at Ser386 by ERKs may either inhibit ERKs activity or under certain condition, facilitate the activation of ERKs by enhancing the MEK1 binding to Grb10 scaffold protein. Phosphorylation of MEK1 at Ser298 by p21-activating protein (PAK1) may lead to its activation whereas this can be inhibited by a feedback phosphorylation of MEK1 at Thr292 by ERKs. Protein Ser/Thr phosphatase inactivates MEK by dephosphorylation of pSer218 and pSer222. Other phosphatases my also regulate MEK activity. Upon activation, MEKs behaves as a dual kinase and phosphorylate key Tyr and Thr residues of ERKs, thus causing their activation.
Product Details
More Information
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Applications Flow Cytometry, WB
Clone MEK12S217S221-H2
Format Unconjugated
Validated Reactivity Human
Cross Reactivity Predicted to work with mouse, rat and other homologues.
Detection Anti-Rabbit IgG
Clonality Monoclonal
Immunogen A synthetic phospho-peptide corresponding to residues surrounding Ser217/221 of human phospho MEK1/2.
Formulation 1X PBS, 0.02% NaN3, 50% Glycerol, 0.1% BSA
Isotype Rabbit IgG1k
Preparation Protein A+G
Recommended Usage 1µg/mL – 0.001µg/mL. It is recommended that the reagent be titrated for optimal performance for each application. See product image legends for additional information.
Storage -20ºC
Pseudonyms Dual specificity mitogen-activated protein kinase kinase 1/2, MAPK/ERK kinase 1, MAPKK1, MAPKK2, MAP2K1, MAP2K2, PRKMK1, PRKMK2
Uniprot ID Q02750
P36507
References Raman M. and Cobb MH., (2003) Curr Biol 13:R886-888.
Kuida K., and Boucher DM. (2004) J Biochem 135:653-656.
Torii S., et al., (2004) J Biochem, 136:557-561.
Yoon S. and Seger R., (2006) Growth Factors 24:21-44.
Natel A. et al., (1998) J Biol Chem 273:10475-10484.
Images
Cell Culture Products
Flow cytometric analysis of Daudi cells secondary antibody only negative control (blue) or untreated (red) or treated with IFNα + IL-4 + pervanadate (green) using Phospho-MEK1/2 (S217/221) antibody MEK12S217S221-H2 0.01 µg/mL. Cat. #2306.
Cell Culture Products
Western blot analysis of HeLa cell extract untreated or treated with UV+TPA using 0.1 µg/mL Phospho-MEK1/2 (Ser217/221) antibody MEK12S217S221-H2. Cat.#2306.
Cell Culture Products
Peptide blocking flow cytometric analysis of Daudi cells secondary antibody only negative control (light blue) or stained with isotype control #2141 (orange) or untreated (red) or treated with IFNα + IL-4 + pervanadate (green) or untreated and blocked with phospho peptide (gold) or treated and blocked with phospho peptide (black) or untreated and blocked with non-phospho peptide (dark blue) or treated and blocked with non-phospho peptide (purple) using Phospho-MEK1/2 (S217/221) antibody MEK12S217S221-H2 at 0.01 µg/mL. Cat. #2306.
Cell Culture Products
Western blot analysis of HeLa cell extract untreated or treated with UV+TPA using 0.1 µg/mL Phospho-MEK1/2 (Ser217/221) antibody MEK12S217S221-H2. Cat.#2306 or Company C antibody at 0.4 µg/mL (manufacturer’s recommended concentration) developed using the same exposure.