| Assay Method Information | |
| | Mobility Shift Assay (MSA) Type A |
| Description: | Full length unphosphorylated form of BTK expressed in Sf9 cells was employed to test inhibitory activity in the inactive BTK assay. The assay was measured in buffer solution containing 100 mM HEPES pH7.5, 0.01% Triton X-100, 0.1% BSA, 5 mM MgCl2, 1 mM DTT. The enzyme and increasing concentrations of inhibitor was incubated at room temperature for 30 minutes and the kinase reaction was initiated by the addition an activation mixture diluted in assay buffer containing Srctide peptide substrate, DOPS/DOPC, PtdIns(3,4,5)P3, and ATP for final concentrations of 1 μM Srctide, 5.5 μM DOPS, 5.5 μM DOPC, 0.5 μM PtdIns(3,4,5)P3, and 16 μM ATP. The plates were incubated for 60 minutes at room temperature, and then the reaction stopped with 100 mM HEPES buffer containing 0.01% Triton and 40 mM EDTA and read on Caliper Life Sciences Labchip EZ Reader II instrument. |
| Affinity data for this assay | |
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