| Assay Method Information | |
| | Radioligand Binding Assay |
| Description: | Compounds were dissolved in 100% DMSO at a concentration 100 times the desired highest assay concentration, serially diluted 1:3 in 100% DMSO, and 0.4 ul/well of each solution was dispensed to a Nunc polypropylene, round bottom, 384-well plate. 100% inhibition is defined with 0.4 ul/well of 1 mM GBR-12935 dissolved in DMSO. 20 ul/well of a 2x membrane preparation (12.5 ug/ml in 30 mM sodium phosphate buffer, pH 7.9 at 4 C.) and 20 ul/well of a 2x radioligand solution (250 pM [125I]RTI-55 in 30 mM sodium phosphate buffer, pH 7.9 at 4 C.) were added to the well and the reaction incubated for 1 hour at room temperature. The contents of the assay plate were then transferred to a Millipore MultiscreenHTS GF/B filter plate which was pretreated with 0.5% PEI for at least one hour. The plate was vacuum-filtered and washed with 7 washes of 100 ul/well 50 mM Tris-Cl, pH 7.5, 120 mM NaCl, 5 mM KCl chilled to 4 C. |
| Affinity data for this assay | |
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