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Western blot analysis of MAP2K1 [pSpS217/221] was performed by loading 20 µg of A431 (lane1) and Jurkat (lane2) cell lysates using Novex® NuPAGE® 4-12 % Bis-Tris gel (NP0321BOX), XCell SureLock™ Electrophoresis System (EI0002), Novex® Sharp Pre-Stained Protein Standard (LC5800), and iBlot® Dry Blotting System (IB21001). Proteins were transferred to a nitrocellulose membrane and blocked with 5 % skim milk for 1 hour at room temperature. MAP2K1 [pSpS217/221] was detected at ~44 kDa using ABfinity™ MAP2K1 [pSpS217/221] Recombinant Rabbit Oligoclonal Antibody (710291) at 1-3 µg/ml in 2.5 % skim milk at 4°C overnight on a rocking platform. To confirm specificity, the corresponding blot on right was incubated with Lambda phosphatase and its reactivity with antibody was tested. Goat Anti-Rabbit IgG-HRP Secondary Antibody (G21234) at 1:5000 dilution was used and chemiluminescent detection was performed using Novex® ECL Chemiluminescent Substrate Reagent Kit (WP20005).
|Tested species reactivity||Human|
|Host / Isotype||Rabbit / IgG|
|Immunogen||Phosphopeptide corresponding to amino acids 212–226 of human MAP2K1 [pSpS217/221]|
|Contains||0.09% sodium azide|
|Storage Conditions||Maintain refrigerated at 2-8°C for up to 1 month. For long term storage store at -20°C|
|Tested Applications||Dilution *|
|Western Blot (WB)||1-3µg/ml|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
This antibody is predicted to react with mouse, rat, Drosophila, non-human primate and rabbit based on sequence homology.
ABfinity™ recombinant antibodies are rabbit monoclonal antibodies, unmatched for producing superior results. ABfinity™ antibodies are developed by immunizing animals, screening for functionality, cloning the immunogen-specific antibody genes into high-level mammalian expression vectors, produced on a large scale and purified with Protein A.
ABfinity™ oligoclonal antibodies comprise a selection of multiple different recombinant monoclonal antibodies, providing the best of both worlds—the sensitivity of a polyclonal antibody with the specificity of a monoclonal, all delivered with the consistency only found in a recombinant antibody. While functionally the same as a polyclonal antibody—recognizing multiple epitope sites on the target and producing higher detection sensitivity for low abundance targets when compared with monoclonal antibodies—an oligoclonal antibody has a known mixture of light and heavy chains. This exact population can be produced in every lot, circumventing the biological variability typically associated with polyclonal antibody production.
Intact IgG appears on a non-reducing gel as ~150 kDa band and upon reduction generating a ~25 kDa light chain band and a ~50 kDa heavy chain.
MAP2K1 is a dual specificity mitogen-activated protein kinase (MAPK) kinase. It is an essential component of the MAP kinase pathway and stimulates the enzymatic activity of MAP kinases in response to various signals. Growth factors, cytokines, and proto-oncogenes transduce their signals through the activation of RAS, which leads to activation of the serine/threonine kinase RAF, and then to activation of MAPK kinase. MAP2K1 is activated by the Raf family member p74raf-1, through phosphorylation of serine residues at positions 217 and 221 in the activation loop.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Dual specificity mitogen-activated protein kinase kinase 1; ERK activator kinase 1; MAP kinase kinase 1; MAPK/ERK kinase 1; MAPKK 1; MAPKK1; MEK 1; mitogen-activated kinase 1; MKK1; PRKMK1; protein kinase, mitogen-activated, kinase 1 (MAP kinase kinase 1)
CFC3; MAP2K1; MAPKK1; MEK1; MKK1; PRKMK1