| Assay Method Information | |
| | Kinase Assay |
| Description: | Biochemical PDGFR.beta. kinase assays were performed in 96 well microtiter plates that were coated overnight with 75 .mu.g of poly-Glu-Tyr (4:1) in 10 mM Phosphate Buffered Saline (PBS), pH 7.4. The coated plates were washed with 2 mLs per well PBS+0.05% Tween-20 (PBS-T), blocked by incubation with PBS containing 1% BSA, then washed with 2 mLs per well PBS-T prior to starting the reaction. Reactions were carried out in 100 .mu.L reaction volumes containing 36 .mu.M ATP in kinase buffer (50 mM Hepes buffer pH 7.4, 20 mM MgCl.sub.2, 0.1 mM MnCl.sub.2 and 0.2 mM Na.sub.3VO.sub.4). Test compounds were reconstituted in 100% DMSO and added to the reaction to give a final DMSO concentration of 5%. Reactions were initiated by the addition 20 ul per well of kinase buffer containing 200-300 ng purified cytoplasmic domain PDGFR-b protein (Millipore). |
| Affinity data for this assay | |
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