| Assay Method Information | |
| | Inhibition Assay |
| Description: | Using a 96 well plate (#3915, Costar), a test compound (25 μL), 400 mM Tris-HCl buffer (pH 8.0, 25 μL) and 0.5 mg/mL fluorescence enzyme substrate (Gly-Asp-Asp-Asp-Asp-Lys-β-Naphtylamide, 25 μL) were mixed, and recombinant human enteropeptidase (R&D Systems, Inc., 25 μL) was added. Using a fluorescence plate reader fmax (Molecular Devices, Inc.), the reaction rate was measured from the time-course changes at excitation wavelength 320 nm and fluorescence wavelength 405 nm. |
| Affinity data for this assay | |
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