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Assay Method Information

Assay Name:  High ATP Kinase Assay
Description:  For the assay, 50 nl of each stock solution of the test compound in DMSO was pipetted into a black, low-volume 384-well microtiter plate (Greiner Bio-One, Frickenhausen, Germany) 2 l of a solution of the above FGFR-1 fusion protein in aqueous assay buffer [8 mM MOPS pH 7.0, 10 mM magnesium acetate, 1.0 mM dithiothreitol, 0.05% (w/v) bovine serum albumin (BSA), 0.07% (v/v) Tween-20, 0.2 mM EDTA] was added, and the mixture was incubated for 15 min at 22° C. to allow pre-binding of the test compound to the enzyme. Then, the kinase reaction was started by the addition of 3 ul of a solution of adenosine triphosphate (ATP, 3.3 mM; final concentration in the 5 ul assay volume=2 mM) and substrate (0.16 uM; final concentration in the 5 ul assay volume=0.1 uM) in assay buffer, and the resulting mixture was incubated for a reaction time of 15 min at 22° C. The concentration of FGFR-1 fusion protein was adjusted depending on the activity of the enzyme lot.
Affinity data for this assay
 

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Last update November 1, 2007
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