| Assay Method Information | |
| | Kinase Assay |
| Description: | VEGF receptor tyrosine kinase (90 ng/measuring point) was incubated for 10 min at 22 C. in the presence of different concentrations of test substances (0 uM, and within the range 0.001-10 M) in 30 ul of assay buffer [40 mM Tris/HCl pH 5.5; 10 mM MgCl2; 1 mM MnCl2; 3 uM Na ortho-vanadate; 1.0 mM dithiothreitol; 8 uM adenosine trisphosphate (ATP); 0.96 ug/measuring point poly-(Glu4Tyr); 0.2 uCi/measuring point 33P-gamma ATP; 1.4% dimethyl sulphoxide]. The reaction was stopped by adding EDTA solution (250 mM; pH 8.0; 15 ul/measuring point).From each reaction mixture, 15 ul were applied to P30 filter strips (Wallac), and unincorporated 33P-ATP was removed by washing the filter strips three times, for 10 min in each case, in 0.5% phosphoric acid. After drying the filter strips for 1 hour at 70 C., the filter strips were covered with scintillator strips (MeltiLex A, Wallac) and stoved for 1 hour at 90 C. |
| Affinity data for this assay | |
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