| Assay Method Information | |
| | KinaseProfiler Radiometric Protein Kinase Assay |
| Description: | Method B: hBTK kinase is diluted in buffer and all compounds were prepared to 50× final assay concentration in 100% DMSO. This working stock of the compound was added to the assay well as the first component in the reaction, followed by the remaining components as detailed in the assay protocol listed above. The reaction was initiated by the addition of the MgATP mix. The kinase reaction was performed at room temperature for 40 minutes in presence of 250 μM substrate, 10 mM MgAcetate, [γ-33P-ATP] (specific activity approx. 500 cpm/pmol, concentration as required) and variable test article concentrations. The ATP concentrations in the assays were with 15 μM of the apparent. The reaction was stopped by the addition of 3% phosphoric acid solution. 10 μL of the reaction is then spotted onto a P30 filtermat and washed three times for 5 minutes in 75 mM phosphoric acid and once in methanol prior to drying and scintillation counting. In addition positive control wells contain all components of the reaction, except the compound of interest; however, DMSO (at a final concentration of 2%) were included in these wells to control for solvent effects as well as blank wells contain all components of the reaction, with a reference inhibitor replacing the compound of interest. |
| Affinity data for this assay | |
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