| Assay Method Information | |
| | Homogenous Time-Resolved Fluorescence Assay (HTRF) |
| Description: | To determine the activity of the various kinases, a homogenous time-resolved fluorescence (HTRF) in vitro kinase assay was used. (Mathis, G., HTRF(R) Technology. J Biomol Screen, 1999. 4(6): p. 309-314; Alfred J. Kolb, Paul V. Kaplita, David J. Hayes, Young-Whan Park, Christine Pernell, John S. Major and Gerard Mathis, Drug Discovery Today, 1998, 3, 333-342.). For example for KDR, cKIT, FLT1, CSF1R and FTL3, purified enzyme was mixed with 0.5 μM N-biotinylated substrate (Biotin-Ahx-AEEEYFFLA-amide (SEQ. ID. 1)), various concentrations of inhibitor in reaction buffer (50 mM HEPES, pH 7.1, 10 mM MgCl2, 2 mM MnCl2, 0.1% BSA and 1 mM DTT, 40 μL final volume), ATP (1 mM final conc.) in a black 384-well plate. After 60 minutes incubation at room temperature, the reaction was quenched by addition of a buffered EDTA solution. |
| Affinity data for this assay | |
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