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PhosphoSitePlus® Resource

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REACTIVITY SENSITIVITY MW (kDa) Isotype
Rabbit 

Product Usage Information

Storage: Supplied in PBS (pH 7.2), less than 0.1% sodium azide and 2 mg/ml BSA. Store at 4°C. Do not aliquot the antibody. Protect from light. Do not freeze.

Specificity / Sensitivity

VEGF Receptor 2 (D5B1) Rabbit mAb (Pacific Blue™ Conjugate) recognizes endogenous levels of total VEGF receptor 2 protein.


Source / Purification

Monoclonal antibody is produced by immunizing animals with a recombinant protein containing the carboxy-terminal 150 amino acid residues of human VEGF receptor 2 protein.

Product Description

This Cell Signaling Technology antibody is conjugated to Pacific Blue™ fluorescent dye and tested in-house for direct flow cytometry in human cells. The antibody is expected to exhibit the same species cross-reactivity as the unconjugated antibody VEGF Receptor 2 (D5B1) Rabbit mAb #9698.


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).


1.  Meyer, M. et al. (1999) EMBO J 18, 363-74.

2.  Dougher-Vermazen, M. et al. (1994) Biochem Biophys Res Commun 205, 728-38.

3.  Kroll, J. and Waltenberger, J. (1997) J Biol Chem 272, 32521-7.

4.  Takahashi, T. et al. (2001) EMBO J 20, 2768-78.

5.  Holmqvist, K. et al. (2004) J Biol Chem 279, 22267-75.

6.  Karkkainen, M.J. and Petrova, T.V. (2000) Oncogene 19, 5598-605.

7.  Rahimi, N. et al. (2000) J Biol Chem 275, 16986-92.

8.  Claesson-Welsh, L. (2003) Biochem Soc Trans 31, 20-4.


Entrez-Gene Id 3791
Swiss-Prot Acc. P35968


For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
Pacific Blue is a trademark of Molecular Probes, Inc.

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VEGF Receptor 2 (D5B1) Rabbit mAb (Pacific Blue™ Conjugate)