| Assay Method Information | |
| | Binding Assay |
| Description: | The principle behind this assay is based upon the binding and displacement of an Alexa Fluor 647-labeled tracer to the kinase of interest. Binding of the tracer to the kinase is detected using an EU-labeled anti-tag antibody. Simultaneous binding of both the tracer and antibody to the kinase gives rise to a FRET-signal. Binding of an inhibitor to the kinase competes for binding with the tracer, resulting in a loss of FRET-signal. At first a compound according to formula (I) was diluted in 20 mM Hepes pH 8.0, 1 mM DTT, 10 mM MgCl2 and 0.01% Brij35. Next Axl kinase (5 nM final concentration; Proqinase), kinase tracer (15 nM final concentration; Invitrogen) and LanthaScreen Eu-Anti-GST antibody (2 nM final concentration; Invitrogen) was mixed with suitable compound dilutions and incubated for 1 hour. FRET-signal was quantified employing an EnVision Multilabelreader 2104 (Perkin Elmer). |
| Affinity data for this assay | |
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