|Application ||WB, IHC, FC|
|Calculated MW||99633 Da|
|Other Names||E3 ubiquitin-protein ligase CBL, 632-, Casitas B-lineage lymphoma proto-oncogene, Proto-oncogene c-Cbl, RING finger protein 55, Signal transduction protein CBL, CBL, CBL2, RNF55|
|Target/Specificity||A synthetic phospho-peptide corresponding to residues surrounding Tyr774 of human Cbl was used as immunogen. The antibody detects Cbl phosphorylated on Tyrosine 774.|
|Format||50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||Cbl Antibody Phospho (pY774) is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Adapter protein that functions as a negative regulator of many signaling pathways that are triggered by activation of cell surface receptors. Acts as an E3 ubiquitin-protein ligase, which accepts ubiquitin from specific E2 ubiquitin-conjugating enzymes, and then transfers it to substrates promoting their degradation by the proteasome. Recognizes activated receptor tyrosine kinases, including KIT, FLT1, FGFR1, FGFR2, PDGFRA, PDGFRB, EGFR, CSF1R, EPHA8 and KDR and terminates signaling. Recognizes membrane-bound HCK, SRC and other kinases of the SRC family and mediates their ubiquitination and degradation. Participates in signal transduction in hematopoietic cells. Plays an important role in the regulation of osteoblast differentiation and apoptosis. Essential for osteoclastic bone resorption. The 'Tyr-731' phosphorylated form induces the activation and recruitment of phosphatidylinositol 3-kinase to the cell membrane in a signaling pathway that is critical for osteoclast function. May be functionally coupled with the E2 ubiquitin-protein ligase UB2D3.|
|Cellular Location||Cytoplasm. Cell membrane. Note=Colocalizes with FGFR2 in lipid rafts at the cell membrane|
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Provided below are standard protocols that you may find useful for product applications.
c-Cbl, product of c-cbl proto-oncogene, is a 120 kDa cytoplasmic protein involved in tyrosine kinase-dependent signaling pathways (1-3). c-Cbl is one of the earliest targets of tyrosine phosphorylation in response to a number of cellular stimuli. For instance, stimulation of growth factor receptors by EGF, PDGF, NGF and FGF, results in c-Cbl tyrosine phosphorylation, in lymphoid and other cell lines (4).
1. Langdon, W. Y., et al. v-cbl, an oncogene from a dual-recombinant murine retrovirus that induces early B-lineage lymphomas. Proc. Natl. Acad. Sci. USA 86: 1168
2. Blake, T. J., et al. The truncation that generated the v-cbl oncogene reveals an ability for nuclear transport, DNA binding and acute transformation. EMBO J. 12: 2017
3. Joazeiro, C. A., et al. The tyrosine kinase negative regulator c-Cbl as a RING-type, E2-dependent ubiquitin-protein ligase. Science 286: 309
4. Galisteo, M. L., et al. Tyrosine phosphorylation of the c-cbl proto-oncogene protein product and association with epidermal growth factor (EGF) receptor upon EGF stimulation. J. Biol. Chem. 270: 20242
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