Product Pathways - Tyrosine Kinase / Adaptors
VEGF Receptor 2 Control Proteins #2904
|2904S||150 µl (10 western blots)||---||In Stock||---|
|2904||carrier free and custom formulation / quantity||email request|
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110 kDa recombinant kinase fragment
Nonphosporylated VEGFR2 Control Proteins: Purified recombinant human VEGFR2 (Val789-Val1356) expressed as a GST fusion protein in insect cells treated with λ phosphatase. Supplied in SDS Sample Buffer. Store at -20ºC.
Phosphorylated VEGFR2 Control Proteins: Purified recombinant human VEGFR2 (Val789-Val1356) expressed as a GST fusion protein in insect cells. Supplied in SDS Sample Buffer. Store at -20ºC.
Directions For Use
As controls, we recommend using 15 µl (20 ng) of phosphorylated and nonphosphorylated VEGFR2 control proteins. Boil sample before use.
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.
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For Research Use Only. Not For Use In Diagnostic Procedures.
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