| Assay Method Information | |
| | Bcl-2-G101V Biochemical Assay |
| Description: | Selected compounds disclosed herein were tested for blocking of Bcl-2-G101 protein with its ligand in an assay based on time-resolved fluorescence resonance energy transfer methodology. 0.05 nM of Recombinant human Bcl-2-G101V protein was pre-incubated with a serial dilution of compounds disclosed herein (maximum concentration is 10 μM, 4-fold serially diluted, 10 points; or maximum concentration is 1 uM, 3-fold serially diluted, 10 points) at room temperature for 0.5 hour in an assay buffer containing 20 mM potassium phosphate buffer, pH 7.5, 50 mM NaCl, 1 mM EDTA, 0.05% Tween-20, 0.01% BSA. Then 5 nM of the FITC labeled Bak peptide Ac-GQVGRQLAIIGDK(FITC)INR-amide and Mab Anti-6His Tb cryptate Gold was added to plate and further incubated at room temperature for 1 hour. The TR-FRET signals (ex337 nm, em490 nm/520 nm) were read on BMG PHERAstar FSX instrument. The inhibition percentage of Bcl-2-G101V interaction with its ligand in presence of increasing concentrations of compounds was calculated based on the ratio of fluorescence at 490 nm to that at 520 nm. The IC50 for each compound was derived from fitting the data to the four-parameter logistic equation by Graphpad Prism software or Dotmatics. |
| Affinity data for this assay | |
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