| Assay Method Information | |
| | FP Binding Assay (PARP1, PARP2) |
| Description: | The PARP1 and PARP 2 protein and the PARPi-FL were purchased from BPS Bioscience. The assay buffer was 50 mM Tris pH 8.0, 0.001% Triton X-100, 10 mM MgCl2, 150 mM NaCl. The compounds were diluted into top point concentration in 384PP-plate and transferred serially into an Optiplate-384F plate. Compound (20 nL) or DMSO was added to assay plate and then 10 μL of 40 nM PARP1 or PARP2 (diluted using assay buffer) was added. The assay plate was centrifuged at 1000 rpm for 1 min and then incubated for 30 min at rt. 6 nM PARPi-FL (diluted using assay buffer) (10 uL) was added to the plate (final concentration of PARP1 and PARP2 was 20 nM, and PARPi-FL was 3 nM). After centrifuging at 1000 rpm for 1 min, the assay plate was incubated at rt 4 h. The plates were read using Envision with Excitation filter. The data analysis was done by calculating the inhibition rate using mP value using the following equation. Inhibition (%)=(1−mpC−mpL)/mpH−mpL×100%. |
| Affinity data for this assay | |
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