| Assay Method Information | |
| | Enzyme Activity Assay |
| Description: | Method: the test compound was dissolved in 10 mM mother liquor with DMSO, and stored at −80° C. until use. The frozen mother liquor was diluted with DMSO to 2 mM as the initial reaction concentration, and then diluted with DMSO in 4-fold gradient to 9 concentrations as the working solution, 1 μl/well; the preparation of 2× buffer: 200 mM tris-HCl, 400 mM NaCl, 0.04% TWEEN20, pH 7.4; 2 human FXIa protein (hFXIa), the reaction solution was prepared by diluting the FXIa protein (Cat #ab62411) with 2× buffer to the required concentration of the reaction 0.25 ng/μl, 10 μl/well; 2×S-2366 reaction solution was prepared by diluting the S-2366 reaction solution with deionized water to 2 mM, 10 μl/well; the enzyme reaction solution was first added to the 384-well plate, and then the diluted test compound reaction solution was added to the corresponding wells in sequence; the negative control was DMSO solvent; the blank was buffer solution: the plate was centrifuged at 1000 rpm for 1 min at room temperature, and after 30 min of reaction in the dark, S-2366 reaction solution was added to each well; after being shaked and mixed for 30 s, the wells were allowed to react at 37° C. |
| Affinity data for this assay | |
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