| Assay Method Information | |
| | TR-FRET Assay |
| Description: | Compounds were screened in the TR-FRET assay with FGFR1 kinase. 5 ng of FGFR1 [Upstate, USA] kinase was used for assay. The compound was incubated with the kinase for 30 minutes at RT. After the incubation, substrate mix [40 nM Ultra light poly GT (Perkin Elmer, USA) and 13 μM ATP (Sigma)] was added. The above reaction was stopped by the addition of 40 mM EDTA after the 30 mM kinase reaction. The Eu-labelled antiphospho-tyrosine antibody [Perkin Elmer, USA] was added at 0.5 nM and the fluorescence emission at 615 nm/665 nm [excitation at 340 nm] was measured. The compounds were initially screened at 100 nM and 1 μM concentrations. The compounds with >50% inhibition at 100 nM of FGFR1 were taken for the full dose response studies. The final DMSO concentration in the assay was 1%. |
| Affinity data for this assay | |
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