| Assay Method Information | |
| | Binding Assay |
| Description: | DDR1 and DDR2 binding assays were performed using Life Technologies LanthaScreen Europium Kinase Binding assay. The compounds were incubated with 5 nM DDR1 (Carna Biosciences) or 5 nM DDR2 (Life Technologies) for 1 hour at room temperature in white 384-well OptiPlate (PerkinElmer), containing 20 nM or 10 nM Kinase Tracer 178 respectively and 2 nM Europium labelled anti-GST antibody (Life Technologies) in assay buffer (50 mM HEPES pH 7.5, 10 mM MgCl2, 1 mM EGTA and 0.01% BRIJ35).The ratio of fluorescence emission 665 nm/615 nm after excitation at 340 nm was obtained using the Tecan Spark 20M plate reader. IC50 values were determined in GraphPad Prism 7.0 software, using 4 parameter model: log(inhibitor) vs. response. IC50 values were converted in Ki using the Cheng-Prusoff equation (Ki=IC50/(1+[Tracer]/Kd). |
| Affinity data for this assay | |
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