Phospho-VEGF Receptor 2 (Tyr1212) (11A3) Rabbit mAb #2477
Filter:
- WB
Supporting Data
| REACTIVITY | H M |
| SENSITIVITY | Transfected Only |
| MW (kDa) | 230 |
| Source/Isotype | Rabbit IgG |
Application Key:
- WB-Western Blotting
Species Cross-Reactivity Key:
- H-Human
- M-Mouse
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.
Protocol
Specificity / Sensitivity
Phospho-VEGF Receptor-2 (Tyr1212) (11A3) Rabbit mAb detects transfected levels of VEGFR-2 only when phosphorylated at tyrosine 1212. The antibody does not cross-react with other phosphorylated receptor tyrosine kinases.
Species Reactivity:
Human, Mouse
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Tyr1214 of human VEGF receptor-2.
Background
Vascular endothelial growth factor receptor 2 (VEGFR2, KDR, Flk-1) is a major receptor for VEGF-induced signaling in endothelial cells. Upon ligand binding, VEGFR2 undergoes autophosphorylation and becomes activated (1). Major autophosphorylation sites of VEGFR2 are located in the kinase insert domain (Tyr951/996) and in the tyrosine kinase catalytic domain (Tyr1054/1059) (2). Activation of the receptor leads to rapid recruitment of adaptor proteins, including Shc, GRB2, PI3 kinase, NCK, and the protein tyrosine phosphatases SHP-1 and SHP-2 (3). Phosphorylation at Tyr1212 provides a docking site for GRB2 binding and phospho-Tyr1175 binds the p85 subunit of PI3 kinase and PLCγ, as well as Shb (1,4,5). Signaling from VEGFR2 is necessary for the execution of VEGF-stimulated proliferation, chemotaxis and sprouting, as well as survival of cultured endothelial cells in vitro and angiogenesis in vivo (6-8).
- Meyer, M. et al. (1999) EMBO J 18, 363-74.
- Dougher-Vermazen, M. et al. (1994) Biochem Biophys Res Commun 205, 728-38.
- Kroll, J. and Waltenberger, J. (1997) J Biol Chem 272, 32521-7.
- Takahashi, T. et al. (2001) EMBO J 20, 2768-78.
- Holmqvist, K. et al. (2004) J Biol Chem 279, 22267-75.
- Karkkainen, M.J. and Petrova, T.V. (2000) Oncogene 19, 5598-605.
- Rahimi, N. et al. (2000) J Biol Chem 275, 16986-92.
- Claesson-Welsh, L. (2003) Biochem Soc Trans 31, 20-4.
限制使用
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