| Assay Method Information | |
| | Potency Activity Assay |
| Description: | A BACE1 activity assay kit from AnaSpec (Fremont, Calif.) was used to determine the potency of the selected BACE1 inhibitors by AnaSpec BACE1 fluorescent assay. The recombinant β-secretase enzyme was diluted 1:200 in 1× assay buffer (1 part of 1× assay buffer and 1 part of TBS containing 0.1% Tween 20). The enzyme was added in a volume of 40 μl to each well of a black 96-well micro plate.The BACE1 inhibitors were serially diluted into DMSO from their 10 mM stock concentrations in DMSO. The serially diluted inhibitors were diluted 1:100 into 1× assay buffer in a 96-well polypropylene plate (assay dilution plate). The final concentration of the BACE1 inhibitor tested was 300 nM, 100 nM, 30 nM, 10 nM, 3 nM, 1 nM 0.3 nM, and 0.00 nM. Dose responses for inhibitors were run in duplicate.A volume of 10 μl of the inhibitor from the assay dilution plate, a control inhibitor LY2886721 or inhibitor vehicle was then added to each well of the black 96-well micro plate containing BACE1. |
| Affinity data for this assay | |
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