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Assay Method Information

Assay Name:  Competitive Molecular Binding Assay
Description:  The MR competitive binding assay is based on the binding and displacement of a TAMRA-labeled Dexamethasone probe with fluorescence polarization (FP) detection. The assay is performed in 384-well, low volume NBS black plates (Corning #3676) in assay buffer consisting of 10 mM TES, pH 7.4, 50 mM KCl, 20 mM Sodium molybdate, 1.5 mM EDTA, 0.04% CHAPS, 10% Glycerol and 1 mM DTT. Full Length human mineralocorticoid receptor (hMR) present in a baculovirus infected insect cell lysate is diluted 2 fold in assay buffer and 10 μL of this dilution is added to the assay plate. Blank wells receive 10 μL of the diluted MR lysate containing 3 μM Dexamethasone. 2 μL diluted test compound is transferred to the assay plate for a final starting top concentration of 10 μM in 1% DMSO. The reaction is started by adding 3 μL of 25 nM probe in assay buffer for a final assay concentration of 5 nM.
Affinity data for this assay
 

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Last update November 1, 2007
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