| Assay Method Information | |
| | In Vitro Assay |
| Description: | Rat recombinant PDE10a (rPDE10a) was expressed in Sf9 cells using a recombinant rPDE10a baculovirus construct. Cells were harvested after 48 h of infection and the rPDE10a protein was purified by metal chelate chromatography on Ni-sepharose 6FF. Tested compounds were dissolved and diluted in 100% DMSO to a concentration 100 fold of the final concentration in the assay. Compound dilutions (0.4 uL) were added in 384 well plates to 20 uL of incubation buffer (50 mM Tris pH 7.8, 8.3 mM MgCl2, 1.7 mM EGTA). 10 uL of rPDE10a enzyme in incubation buffer was added and the reaction was started by addition of 10 uL substrate to a final concentration of 60 nM cAMP and 0.008 uCi3H-cAMP. The reaction was incubated for 60 min at rt. After incubation, the reaction was stopped with 20 uL of 17.8 mg/mL PDE SPA beads. After sedimentation of the beads during 30 min the radioactivity was measured in a Perkin Elmer Topcount scintillation counter. |
| Affinity data for this assay | |
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