| Assay Method Information | |
| | Radio-Ligand Binding Assay |
| Description: | ROR gamma radioligand binding was performed using 3H 25-Hydroxycholesterol in a competitive displacement assay using dextran charcoal method. Using 5 nM 3H 25-Hydroxycholesterol with 300 ng RORγ LBD (in house expressed in E. coli) along with the compound were incubated in the binding buffer (50 mM HEPES, pH 7.5, 150 mM NaCl, 0.01% BSA and 5 mM MgCl2) for 30 min at room temperature. Then dextran-charcoal mixture (0.5% charcoal: 0.05% dextran) was used for separation and the supernatant was read on the Perkin Elmer Trilux Microbeta counter. Dose response curves were generated for 10 compound concentrations using GraphPad Prism software Version 5 (San Diego, Calif., USA) using non-linear regression curve fit for sigmoidal dose response (variable slope). |
| Affinity data for this assay | |
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