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Assay Method Information

Assay Name:  Enzyme Compound Activity (IC50) and Cell Compound Activity (IC50/EC50)
Description:  A fluorescence polarization assay was used to assess the ALK5 binding capacity and biochemical activity of compounds. ALK5 protein was added to each well of a 384 well assay plate containing test compounds, FP probe, and ATP. Following incubation for 30 min at room temperature, fluorescence polarization was measured on a BMG Labtech PHERAstar plate reader using a 650/690 nm optic module. mP values were then used to calculate IC50 values for each compound tested. IC50/EC50 values were obtained from measurements of compound cellular activity to inhibit nuclear translocation of a GFP-2/Smad2 fusion reporter in MDA-MB-468 cells.
Affinity data for this assay
 

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Last update November 1, 2007
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