| Assay Method Information | |
| | Activity Assay |
| Description: | The compounds according to the invention underwent pharmacological trials to measure the selectivity toward human lipid kinases and especially human PI3Kα. The test uses a luciferin/luciferase system to measure the concentration of ATP and its consumption during the enzymatic reaction. The test is performed in 96-well format (Corning/Costar 96 black flat-bottomed half-wells plate, ref. 3694) in a total volume of 30 μl. To 1 μl of inhibitor in 100% DMSO are added (final concentrations) 50 μM of the substrate PIP2 ((L-α-phosphatidyl-D-myoinositol 4,5-bisphosphate, Calbiochem 524644), 2 μM of ATP and 1.7 μg/mL of PI3Kα(p110α/p85α, Invitrogen PV4788) in a buffer of Tris/HCl 50 mM pH 7.5, EGTA 1 mM, MgCl2 10 mM, Chaps 0.03%, 1 mM DTT). After 90 minutes, the reaction is quenched by adding 20 μl/well of KinaseGlo reagent (Promega V6713). After 10 minutes in the dark, the luminescence is read using a PHERAStar microplate reader (reading at 0.8 sec/well). |
| Affinity data for this assay | |
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