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Assay Method Information

Assay Name:  Experiment on VEGFR-2 Tyrosine Kinase Inhibitory Activity
Description:  The inhibitory activities of the compounds of the present invention against VEGFR-2 tyrosine kinase were analyzed using ADP-Glo kinase assay kit commercially available from Promega. In the principle of the analysis, kinase, a substrate and ATP are reacted with one another, and then ADP-Glo solution is added thereto. The ATP is removed while leaving the produced ADP, and the remaining ADP is converted to ATP by use of a kinase detection reagent, and the ATP is reacted with a luciferin substrate, and the emitted luminescence is measured. Specifically, 5 μl of each compound (5×) was added to each well, and 10 μl of kinase enzyme was added to each well, and then 10 μl of a 1:1 mixture of a kinase substrate and an ATP solution was added to each well (substrate: 5 μg/5 μl; ATP: 20 μM/5 μl). These substances were allowed to react (30° C. and 800 rpm) in a reactor under a light-shielded condition for 30 minutes, and 25 μl of ADP-Glo solution was added to each well and allowed to react under a light-shielded condition for 40 minutes (RT; 150 to 170 rpm). 50 μl of a kinase detection reagent was added to each well and allowed to react under a light-shielded condition for 30 minutes (RT; 150 to 170 rpm), and then the luminescence of each well was measured with a luminometer (Molecular Devices, LMax II 384) and converted to IC50 values.
Affinity data for this assay
 

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Last update November 1, 2007
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