| Assay Method Information | |
| | β-Secretase-Inhibiting Activity |
| Description: | 48.5 μL of substrate peptide solution (Biotin-XSEVNLDAEFRHDSGC-Eu: X=ε-amino-n-capronic acid, Eu=Europium cryptate) was added to each well of 96-hole half-area plate (a black plate: Corning Incorporated), and after addition of 0.5 μl of the test sample (dissolved in N,N′-dimethylformaldehyde) and 1 μl of Recombinant human BACE-1 (R&D Systems), the reaction mixture was incubated at 30° C. for 3 hours. The substrate peptide was synthesized by reacting Cryptate TBPCOOH mono SMP (CIS bio international) with Biotin-XSEVNLDAEFRHDSGC (Peptide Institute, Inc.). The final concentrations of the substrate peptide and Recombinant human BACE-1 were adjusted to 18 nM and 7.4 nM respectively, and the reaction was performed in sodium acetate buffer (50 mM sodium acetate, pH 5.0, 0.008% Triton X-10). |
| Affinity data for this assay | |
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