Product Pathways - Tyrosine Kinase / Adaptors
c-Cbl Antibody #2747
|2747S||100 µl (10 western blots)||---||In Stock||---|
|2747||carrier free and custom formulation / quantity||email request|
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|W||1:1000||Human, Mouse, Rat, Monkey||Endogenous||120||Rabbit|
Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting, IP=Immunoprecipitation, IF-IC=Immunofluorescence (Immunocytochemistry)
Species predicted to react based on 100% sequence homology: Bovine.
Specificity / Sensitivity
This antibody detects endogenous levels of total c-Cbl protein. The antibody may also cross-react with Cbl-b protein.
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to the carboxy terminus of human c-Cbl. Antibodies are purified by protein A and peptide affinity chromatography.
Western blot analysis of lysates from MCF-7, Raji, THP-1, RAW, COS and H-4-II-E cells, using c-CBL antibody.
The c-Cbl proto-oncogene is a ubiquitously expressed cytoplasmic adaptor protein that is especially predominant in hematopoietic cells (1,2). c-Cbl is rapidly tyrosine-phosphorylated in response to stimulation of a variety of cell-surface receptors and becomes associated with a number of intracellular signaling molecules such as protein tyrosine kinases, phosphatidylinositol-3 kinase, Crk, and 14-3-3 proteins (3,4). c-Cbl possesses a highly conserved amino-terminal phosphotyrosine binding domain (TKB) and a C3HC4 RING finger motif. The TKB recognizes phosphorylated tyrosines on activated receptor tyrosine kinases (RTKs) as well as other nonreceptor tyrosine kinases. The RING finger motif recruits ubiquitin-conjugating enzymes. These two domains are primarily responsible for the ubiquitin ligase activity of c-Cbl and downregulation of RTKs (3). Research studies have indicated that in human cancer tissues, c-Cbl is frequently tyrosine-phosphorylated in a tumor-specific manner (5). Phosphorylation of Tyr731 of c-Cbl provides a docking site for downstream signaling components such as p85 and Fyn (6).
- Blake, T.J. et al. (1991) Oncogene 6, 653-657.
- Thien, C.B. and Langdon, W.Y. (1998) Immunol. Cell Biol. 76, 473-482.
- Christine, B.F. et al. (2001) Nat. Rev. Mol. Cell Biol. 2, 294-307.
- Feshchenko, E.A. et al. (1998) J. Biol. Chem. 273, 8323-8331.
- Kamei, T. et al. (2000) Int. J. Oncol. 17, 335-339.
- Hunter, C. et al. (1999) J. Biol. Chem. 274, 2097-2106.
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For Research Use Only. Not For Use In Diagnostic Procedures.
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