| Assay Method Information | |
| | Enzyme Assay |
| Description: | TYRO3: Compounds of Formula I were screened for their ability to inhibit TYRO3 kinase using Invitrogen's LanthaScreen Eu Kinase Binding technology. GST-tagged recombinant human TYRO3 kinase domain from Carna (5 nM; Cat. No. PR7480A) was incubated with 20 nM Alexa-Fluor Tracer 236 (PR9078A) and 2 nM Europium-anti-GST (Cat. No. A15116) along with test compound in a buffer consisting of 25 mM HEPES, pH 7.4, 10 mM MgCl2, 0.01% Triton X-100, and 2% DMSO. Compounds are typically prepared in a threefold serial dilution in DMSO and added to the assay to give the appropriate final concentration. After a 60-minute incubation at 22° C., the reaction was measured using a PerkinElmer EnVision multimode plate reader via TR-FRET dual wavelength detection, and the percent of control (POC) calculated using a ratiometric emission factor. 100 POC was determined using no test compounds and 0 POC was determined using a concentration of control compound that completely inhibits the enzyme. The POC values were fit to a 4 parameter logistic curve and the IC50 value is point where the curve crosses 50 POC. |
| Affinity data for this assay | |
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