| Assay Method Information | |
| | Fluorescence Resonance Energy Transfer (FRET) Assay |
| Description: | Recombinant CathepsinD was expressed in CHO cells. The assay buffer for CathepsinD is 0.05 M citrate pH 3.5, 10% DMSO final, 5 mM CHAPS. The CathepsinD enzyme (9 nM) is pre-incubated for one hour with inhibitors, typically in about 1 uL of DMSO according to a serial dilution, is added thereto. The assays are effectively started by the addition of different FRET substrates (20 nM for CathepsinD) and the combination is incubated for one hour. The FRET assay is terminated with by addition of Tris buffer, which raises the pH to neutrality, and the fluorescence is determined. The FRET substrate is a peptide with commercially available fluorophore and quencher, on opposite sides of the BACE cleavage site. |
| Affinity data for this assay | |
|---|---|
| If you find an error in this entry please send us an E-mail | |