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Assay Method Information

Assay Name:  Inhibition Assay
Description:  5 μl of each solution of 1:20 diluted compound from above is transferred to a clear bottomed, black, 384-well assay plate using the Bravo or the Janus (384-well MDT head from Perkin Elmer). Using a 16-channel Matrix multi-channel pipette, 35 pII of the working solution of HDAC4 catalytic domain enzyme (0.86 μg/ml in assay buffer) is transferred to the assay plate. The assay is then started by adding 10 μl of 5 (50 μM) substrate to the assay plates using either the Bravo, Janus or 16-channel Matrix multi-channel pipette. The assay plate is then shaken for two minutes on an orbital shaker at 900 rpm (rotations per minute). Next the plate is incubated for 15 minutes at 37 C. The reaction is stopped by adding 25 μl of 3 (30 μM) developer/stop solution to the assay plates using either the Bravo, Janus or a 16-channel Matrix multi-channel pipette. Assay plates are then shaken for 5 minutes on an orbital shaker at 1200 rpm. Next, the assay plates are incubated at 37 C. for 1 hour in a tissue culture incubator. Finally, the fluorescence is measured (Excitation: 355 nm, Emission: 460 nm) using PerkinElmer EnVision in top read mode.
Affinity data for this assay
 

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Last update November 1, 2007
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