| Assay Method Information | |
| | HTRF Assay |
| Description: | PD-L1 His protein was prepared and added at the final concentration of 6 nM in the White opaque 384 well plate (Corning cat #3824BC). PD-L1 small molecule inhibitors were diluted by 3-fold starting from 20 μM and a final concentration of 0.001 μM and added to the well. PD-1 Fc protein was added at the final concentration of 6 nM. PD-L1 His protein, PD-L1 small molecule inhibitors, and PD1 Fc proteins were added to the well in this order, with each 5 μl volume, and were incubated for 15 minutes at room temperature. PAb anti-Human IgG-XL665 (Cisbio, cat #61HFCXLA) and Mab anti-6HIS Tb cryptate Gold (Cisbio, cat #61HI2TLA) were mixed at 6.7 nM and 0.35 nM respectively, and total 5 μl volume of mixture was added to the well and incubated at room temperature for 1 hour. The plate was read using PerkinElmer Envision plate reader and data was analyzed by Prism 6 software. |
| Affinity data for this assay | |
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