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Assay Method Information

Assay Name:  Alphascreen Assays
Description:  A PI3K Alphascreen assay (PerkinElmer, Waltham, Mass.) was used to measure the activity of a panel of four phosphoinositide 3-kinases: PI3Kα, PI3Kβ, PI3Kγ, and PI3Kδ. Enzyme reaction buffer was prepared using sterile water (Baxter, Deerfield, Ill.) and 50 mM Tris HCl pH 7, 14 mM MgCl2, 2 mM sodium cholate, and 100 mM NaCl. 2 mM DTT was added fresh the day of the experiment. The Alphascreen buffer was made using sterile water and 10 mM Tris HCl pH 7.5, 150 mM NaCl, 0.10% Tween 20, and 30 mM EDTA. 1 mM DTT was added fresh the day of the experiment. Compound source plates used for this assay were 384-well Greiner clear polypropylene plates containing test compounds at 5 mM and diluted 1:2 over 22 concentrations.
Affinity data for this assay
 

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Last update November 1, 2007
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