| Assay Method Information | |
| | FRET Assay |
| Description: | Serial dilutions of test compounds are prepared as described above. Compounds are further diluted 20x in KH2PO4 buffer. Ten uL of each dilution is added to each well on row A to H of a corresponding low protein binding black plate containing the reaction mixture (25 uL of 50 mM KH2PO4, pH 4.6, 1 mM TRITON X-100, 1 mg/mL Bovine Serum Albumin, and 15 uM of FRET substrate) (See Yang, et. al., J. Neurochemistry, 91(6) 1249-59 (2004)). The content is mixed well on a plate shaker for 10 minutes. Fifteen uL of two hundred pM human BACE1(1-460):Fc (See Vasser, et al., Science, 286, 735-741 (1999)) in the KH2PO4 buffer is added to the plate containing substrate and test compounds to initiate the reaction. The RFU of the mixture at time 0 is recorded at excitation wavelength 355 nm and emission wavelength 460 nm, after brief mixing on a plate shaker. The reaction plate is covered with aluminum foil and kept in a dark humidified oven at room temperature for 16 to 24 h. |
| Affinity data for this assay | |
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