| Assay Method Information | |
| | FRET Assay |
| Description: | The assay was run in black 384 well plates (Greiner cat no: 784900). Various concentrations of test ligands in 0.1 microlitres DMSO were dispensed to assay plates using an Labcyte Echo acoustic dispenser. Two pre-mixes were prepared and incubated for 1 hr at room temp in the dark. Pre-mix 1 comprised 100 nM Protein (Biotinylated HN-Avi-MBP-TCS-hRORg (258-518)) and 60 nM Streptavidin APC in assay buffer, 50 mM MOPS pH7.4, 50 mM KF, 0.003% (w/v) CHAPS, 10 mM DTT and 0.01% (w/v) BSA and pre-mix 2 comprised 160 nM biotinylated SRC-1 peptide (NCOA1-677-700) and 20 nM Europium-W8044 labelled Streptavidin in assay buffer. Five microlitres of pre-mix 2 was dispensed to assay plates containing test compound and incubated for 15 minutes prior to adding five microlitres of pre-mix 1. Plates were incubated at room temperature for 1 hour in the dark, prior to reading in a Pherastar multi-mode plate reader using HTRF filter set (ex 320, em 612 and 665). The FRET signal at 665 nM was divided by the signal at 612 nM and multiplied by 10,000 to generate a signal ratio value for each well. The raw data was transformed to % effect using the equation:Compound % effect=100*[(X−min)/(max−min)],where X represents the normalized value for the compound based on the Min (vehicle) and Max (reference compound) inhibition control. |
| Affinity data for this assay | |
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