| Assay Method Information | |
| | hPGDH Inhibitor Screening Biochemical Assay |
| Description: | The in vitro biochemical assay can be performed in white, 384 plates in total 20 μl reaction volume consisting of 10 nM of 15-PGDH/HPGD (R&D System #5660-DH), 15 μM Prostaglandin E2 (Sigma, Cat #P5640-10MG) and 0.25 mM β-Nicotinamide adenine dinucleotide sodium salt (Sigma, Cat #N0632-5G) made in reaction buffer (50 mM Tris-HCl, pH 7.5, 0.01% Tween 20) at 10-point dose response curve for test/tool compounds. Briefly, 5 μl (4×) of compounds solution and 5 μl (final concentration, 10 nM) of enzyme solution is added to white 384 well plates and incubated for 10 mins at 37° C. 5 μl (4×) of Prostaglandin E2 and 5 μl (4×) of β-Nicotinamide adenine dinucleotide sodium salt is added to the wells and incubated for 10 mins at rt. Fluorescence is recorded at ex/em=340 nm/485 nm. The percentage (%) inhibition of enzyme activity was determined relative to positive control (1% DMSO) and IC50 was calculated using GraphPad prism software (four parameter-variable slope equation). |
| Affinity data for this assay | |
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