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Assay Method Information

Assay Name:  Human Trypsin Assay
Description:  The inhibitory activity on human trypsin was determined by using buffer (50 mM Tris, pH 8.2, and 20 mM CaCl2). Appropriate wells in the Greiner 384 microtiter plate were used to determine IC50. A buffer containing 50 μL human trypsin (Sigma; T6424), the final concentration was 0.39 BAEE unit/mL, a buffer containing 2 μL 2% (V/V) DMSO (control group which was free of inhibition) or various concentration of the compound to be tested was diluted in the buffer containing 2% (V/V) DMSO. A buffer containing substrate S-2222 (Chromogenix), the final concentration was 30 μM. In this assay, the compound to be tested and the enzyme were pre-incubated for 10 minutes and then 48 μL substrate was added to give a final volume of 100 μL to start the assay.
Affinity data for this assay
 

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Last update November 1, 2007
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