Phospho-Bcr (Tyr177) Antibody #3901
Filter:
- WB
- F
Supporting Data
| REACTIVITY | H M |
| SENSITIVITY | Endogenous |
| MW (kDa) | 160 (Bcr); 210 (Bcr-Abl) |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
- F-Flow Cytometry
Species Cross-Reactivity Key:
- H-Human
- M-Mouse
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Flow Cytometry (Fixed/Permeabilized) | 1:100 |
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.
Protocol
Specificity / Sensitivity
Phospho-Bcr (Tyr177) Antibody detects endogenous levels of Bcr and Bcr-Abl only when phosphorylated at tyrosine 177.
Species Reactivity:
Human, Mouse
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Tyr177 of human Bcr. Antibodies are purified by protein A and peptide affinity chromatography.
Background
The Bcr gene was orginally identified by its presence in the chimeric Bcr-Abl oncogene (1). The amino-terminal region of Bcr contains an oligomerization domain, a serine/threonine kinase domain, and a region that binds SH2 domains. The middle of the protein has a PH domain and a region of sequence similarity to the guanine nucleotide exchange factors for the Rho family of GTP binding proteins. The carboxy-terminal region may be involved in a GTPase activating function for the small GTP-binding protein Rac (2,3). The function of wild type Bcr in cells remains unclear. PDGF receptor may use Bcr as a downstream signaling mediator (4). Research studies have shown that the Bcr-Abl fusion results in production of a constitutively active tyrosine kinase, which causes chronic myelogenous leukemia (CML) (5). Tyr177 of Bcr is phosphorylated in the Bcr-Abl fusion protein, which plays an important role in transforming the activity of Bcr-Abl (6). Phosphorylated Tyr177 provides a docking site for Gab2 and GRB2 (7,8).
- Groffen, J. et al. (1984) Cell 36, 93-99.
- Maru, Y. et al. (1991) Cell 67, 459-468.
- Che, W. et al. (2001) Circulation 104, 1399-1406.
- Abe, J. I. et al. (2001) Ann. N.Y. Acad. Sci. 947, 341-343.
- Voncken, J. W. et al. (1995) Cell 80, 719-728.
- He, Y. et al. (2002) Blood 99, 2957-2968.
- Sattler, M. et al. (2002) Cancer Cell 1, 479-492.
- Warmuth, M. et al. (1995) J. Biol. Chem. 272, 33260-33270.
限制使用
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For Research Use Only. Not For Use In Diagnostic Procedures.
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