| Assay Method Information | |
| | hDPP9 Inhibition Assay |
| Description: | Table 4: Compounds were tested in a biochemical inhibition assay using human dipeptidylpeptidase 9 (hDPP9) enzyme at 0.4 nM FAC (BPS Bioscience, #80090) and the substrate Ala-Pro-amino-methylcoumarin (BPS Bioscience #80305) at 5 μM FAC. The enzymatic reactions were conducted in duplicate at rt for 30 min in 50 μL DPP assay buffer (BPS Bioscience, #80300). Compound solutions (in DMSO) at 10 CR, 3 fold dilution series were prepared in assay buffer ten-fold higher than the final concentration, and 5 μL of the dilution was added to a 50 μL reaction so that the highest compound concentration was 100 μM FAC and the concentration of DMSO was 1% in all wells. The plates were read on a Tecan Infinite M1000 microplate reader with excitation 340 nm and emission 460 nm. Data were analyzed in Graph Pad Prism. |
| Affinity data for this assay | |
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