Assay Method Information

Assay Name:  Inhibition Assay
Description:  Recombinant HDACs 1, 2, and 3 (BPS Biosciences) were diluted to a concentration of 1 nM in HDAC buffer. 10 uL of this solution was added in 96-well format to black U-bottom plates. 10 uL of serially diluted inhibitor was added and a 2 hour pre incubation occurred at room temperature. 50 μM (final) of Acetylated Lysine-Aminomethyl coumarin-BOC in HDAC buffer solution was added and a second 2 hour incubation occurred at room temperature. 5 mg/mL trypsin, 1 μM trichostatin A solution in HDAC buffer was added to quench the reaction. Fluorescence was read at 360 (ex.)/460 (em.) using a Tecan M200 Pro. Data were normalized to control wells containing no inhibitor. IC50's were determined using GraphPad Prism's built in log(inhibitor) vs. normalized response Variable slope function.
Affinity data for this assay
 

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