| Assay Method Information | |
| | Inhibition Test for Each Compound of the Present Invention Against 20-HETE Producing Enzymes (CYP4F2 and CYP4A11) |
| Description: | In the CYP4F2 inhibition test, the reaction solution containing each compound [final concentration of 50 mM, KPO4 (pH 7.4), 2.5 μM luciferine derivative, and 1 mM NADPH] was added to an Escherichia coli membrane fraction (100 μg/mL protein) in which human CYP4F2 had been expressed. In the CYP4A11 inhibition test, the reaction solution containing each compound [final concentration of 100 mM, Tris-HCl (pH 7.5), 60 μM luciferine derivative, 1.3 mM NADP+, 3.3 mM Glucose 6-Phosphate, 3.3 mM MgCl2, and 0.4 U/mL Glucose 6-Phosphate dehydrogenase] was added to an Escherichia coli membrane fraction (100 μg/mL protein) in which human CYP4A11 had been expressed. Following this, the membrane fraction was left to stand at room temperature for 60 minutes to perform an enzymatic reaction. After the reaction, a luciferine detection reagent was added, and the luminescence value was measured using a plate reader. By using that value, the percent inhibition of 20-HETE producing enzyme (%) was calculated according to the equation described below, and the 50% inhibitory concentration (IC50 value) for each compound was calculated. |
| Affinity data for this assay | |
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