The AlphaScreen® SureFire® p-VEGFR2 Receptor (p-Tyr1175) assay is a sandwich immunoassay for quantitative detection of phospho-VEGF2 Receptor (phosphorylated on Tyr1175) in cellular lysates using Alpha Technology. Please note that an AlphaScreen Protein A kit, which contains the Alpha Beads necessary to run this assay, needs to be purchased separately in addition to the AlphaScreen SureFire kit.
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Alpha SureFire® kits can be used for:
In the AlphaScreen® SureFire® assay, Donor beads are coated with streptavidin to capture one of the antibodies, which is biotinylated. Acceptor beads are coated with Protein A to immobilize the other antibody. In the presence of phosphorylated protein, the two antibodies bring the Donor and Acceptor beads close together, generating signal. The amount of light emission is directly proportional to the amount of phosphoprotein present in the sample.
|Assay Pathway||Receptor signaling|
|Assay Target||VEGF2 Receptor|
|Assay Target Class||Phosphoprotein|
|Experimental Type||In vitro|
|Product Brand Name||AlphaScreen SureFire|
|Second Messenger Release||Protein phosphorylation|
|Shipping Condition||Blue Ice|
|Unit Size||500 assay points|
Screening kinase activities in cell-based assays offers advantages over the more traditional biochemical approach of using a purified recombinant enzyme to phosphorylate a substrate, since a cell-based assay gives information on a compound’s activity in a more biological context. However, getting initial results with the AlphaScreen® SureFire® assay is highly dependent on optimal cell culture conditions, and often requires that multiple parametersbe optimized in the first set of experiments.
Vascular endothelial growth factor receptor 2 (VEGF R2) is a major receptor for VEGF-mediated signaling in endothelial cells. Upon ligand binding, VEGF R2 undergoes autophosphorylation in the kinase insert domain (Tyr951/996) and in the tyrosine kinase catalytic domain (Tyr1054/1059) to become activated.