Assay Method Information

Assay Name:  Enzyme Inhibition Assay
Description:  Human DGAT-1 activity was determined as follows: Assay buffer [20 mM HEPES (pH 7.4), 100 mM MgCl2, 0.04% BSA] containing 500 μM of enzyme substrate (didecanoyl glycerol) and 7.5 μM radiolabeled acyl-CoA substrate ([14C]decanoyl-CoA) was added to each well of a phospholipid FlashPlate (PerkinElmer Life Sciences). A small aliquot of lysate (5 μg/well) or mouse liver microsome (0.1 mg/well) was added to start the reaction, which was allowed to proceed in a 20° C. bath for 1 hour. and maintained overnight at room temperature. Next day, measurement was performed by Wallac 1450 Microbeta Trilux Liquid Scintillation Counter and Luminometer (PerkinElmer Life Science). In the control group, 0.1% DMSO was only added, and for the background value, 0.1% DMSO was only added without the cell fragment having the over-expressed human DGAT1 (5 μg/well) or the liver microsome of mice (0.1 mg/well), which was the same as the control group.
Affinity data for this assay
 

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