| Assay Method Information | |
| | HTRF assay |
| Description: | Biochemical assays were conducted in Greiner white 384 well HiBase plates (Cat. No 784075-25) in 10 μL total volume. A one pot detection solution of CRBN-DDB1 (2.5 nM), Anti-His Terbium Cryptate Gold (1×, PerkinElmer Cat. #: 61HI2TLB), and Cy5-Thalidomide (100 nM, Tenova Cat.: T52461) was prepared in 20 mM HEPES, 20 mM NaCl, 0.2 mM TCEP, 0.2 mM EDTA, and 0.005% Tween20 was dispensed to each assay plate. Compounds were stored in dry, ambient temperatures at 10 mM. A 10-point, 1:3 dilution series was prepared from 10 mM stock concentrations in Echo-compatible LDV plates. 10 nL of each compound dilution series was dispensed into assays wells using an Echo 650 (Labcyte inc. USA). 10 nL of 10 mM Lenalidomide was transferred into the active-control wells for the assay and 10 nL of DMSO was transferred into the neutral-control wells. The assay was then allowed to incubate for 30 min at ambient temperature after transferring compound. Plate measurements were taken on a Pherastar FSX (BMG Labtech, Germany) using the HTRF Red filter (Ex. 337 nm, em1: 620 nm, em2: 665 nm) (Flashes: 50, Integration time: 60-400 us, Z-height: 10 mm, Ratio-multiplier: 10,000). |
| Affinity data for this assay | |
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