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Assay Method Information

Assay Name:  Biochemical Assay
Description:  The 6 μL reactions are run in Greiner brand black 384-well low volume assay plates. All reactions contained assay buffer (phosphate buffered saline, 0.01% (v/v) Tween-20, 0.01% (w/v) albumin from chicken egg white, 1 mM Dithiothreitol, 1 μM peptide substrate, 1 μM S-Adenosyl methionine, and 15 ng/reaction enzyme, with the enzyme being omitted from negative control reactions. Compounds were added in a volume of 100 nL from dilution series prepared in DMSO, positive and negative control reactions receiving the same volume DMSO without compound. The plates were sealed with adhesive seals and incubated for 4 hours at 37 degree Celsius. Reaction progress was measured using the Transcreener™ EPIGEN methyltransferase assay (BellBrook Labs, Madison, Wis.) as recommended by the manufacturer. To each reaction 2 μL detection mix were added, containing coupling enzymes, fluorescence polarisation tracer, and AMP antibody. Plates were incubated for 90 minutes before being read on a PerkinElmer EnVision™ plate reader in fluorescence polarisation mode.
Affinity data for this assay
 

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Last update November 1, 2007
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