| Assay Method Information | |
| | TR-FRET Assay |
| Description: | 40 nL of test compounds in DMSO were added to wells in a white, 384 well microtitre plate (Greiner 784075). 2 uL STING assay buffer (PBS and 0.01% BSA) containing fluorescein labeled ligand (c[G(2′,5′)p-2′-Fluo-AHC-A(3′,5′)p] Biolog C 195, 100 nM final) and Tb labeled Streptavidin (Streptavidin-Tb cryptate CisBio 610SATLB) were added. Then 2 uL STING assay buffer containing STING protein (100 nM final) was added and the mixture was incubated at rt for 60 minutes. The plates were then read on a BMG PheraStar Plus reader (LanthaScreen module).For the assay method described above, test compound percent inhibition, at various concentrations, was calculated relative to untreated and DMSO only treated samples. Compound concentration versus percent inhibition curves were fitted to generate IC50 values. One skilled in the art will appreciate that the values generated either as percentage inhibition at a single concentration or IC50 values are subject to experimental variation. |
| Affinity data for this assay | |
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