| Assay Method Information | |
| | Endpoint Assay |
| Description: | Human KLKB1 (0.01 U/mL; Enzyme Research Laboratories) or rat KLKB1 (0.625 nM; produced in-house) was incubated for 1 h at room temperature with 0.10 μM fluorogenic substrate H-Pro-Phe-Arg-AMC (11295 from Bachem) and various concentrations of the test compound in assay buffer. Subsequently, PPACK 11 (Calbiochem) was added as a stop solution to achieve a final concentration of 1 μM and fluorescence was measured using an Envision Reader (PerkinElmer) with the wavelength excitation setting of 355 nm and the wavelength emission setting of 460 nm. |
| Affinity data for this assay | |
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