Assay Method Information | |
| Biological Activity Assay |
Description: | 1. Experimental MaterialsEnzyme: Coagulation Factor XIa protease (Abcam, Art. No ab62411)Substrate: Coagulation Factor XIa specific substrate (HYPHEN1310 med, Art. No. Biophen cs-21(66))Buffer: 100 mM tris-HCl, 200 mM NaCl, 0.02% Tween20, pH 7.42. Experimental Procedure20 mM of test compound dissolved in 100% DMSO was diluted to 200, 20, 2, 0.2, 0.02, 0.002 μM with 100% DMSO; 1 μl of the compound was added to each well in a 384-well plate, blank and control wells were replaced with DMSO. The plate was centrifuged to remove the compound to the bottom, 10 μl (2.5 μg/ml) of FXIa enzyme solution was added to each well, and 10 μl of buffer was added to the blank well. The plate was centrifuged to remove the enzyme solution to the bottom.Finally, 10 μl of 2 mM substrate were added to each well, and the plate was centrifuged to remove the substrate solution to the bottom. |
Affinity data for this assay | |
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