Product Pathways - Tyrosine Kinase / Adaptors
c-Cbl (C49H8) Rabbit mAb #2179
|2179S||100 µl (10 western blots)||---||In Stock||---|
|2179P||40 µl (4 western blots)||---||In Stock||---|
|2179||carrier free and custom formulation / quantity||email request|
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|W||1:1000||Human, Monkey||Endogenous||120||Rabbit IgG|
Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting, IP=Immunoprecipitation
Specificity / Sensitivity
c-Cbl (C49H8) Rabbit mAb detects endogenous levels of total c-Cbl protein. The antibody does not cross-react with Cbl-b or Cbl-c proteins.
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to the sequence of human c-Cbl.
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.
Cell Signaling Technology® is a trademark of Cell Signaling Technology, Inc.
This antibody is developed, validated, and produced by CST using in part technology under license (granting certain rights including those under U.S. Patent No. 5,675,063) from Epitomics, Inc.