Assay Method Information

Assay Name:  LanthaScreen Eu Kinase Binding Assay
Description:  CDK9 (cyclin K): IC50 values of compounds against CDK9 (cyclin K) were determined by LanthaScreen™ Eu Kinase Binding Assay at Invitrogen Life Technologies (Grand Island, N.Y.) where total reaction volume was 16 μL/well in low volume, white 384-well plate (#784207, Greiner). 0.16 μL of 100 test compound in 100% DMSO (at specific solutions) were mixed with 3.84 μL of Kinase Buffer (50 mM HEPES pH 7.5, 0.01% BRIJ-35, 10 mM MgCl2, 1 mM EGTA), 8.0 μL of 2 Kinase (5 nM)/Antibody (Eu-anti-His, 2 nM) Mixture and 4.0 μL of 4 Tracer (Tracer 236, 100 nM). The plates were shaken for 30 seconds, and incubated for 60 minutes at room temperature. The plates were read on fluorescence plate reader with Dual emission at 615 nm and 665 nm.
Affinity data for this assay
 

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