| Assay Method Information | |
| | In Vitro Inhibitory Activity of the Compounds of the Present Invention on CSF-1R in Terms of Enzymology |
| Description: | Experimental Reagents:Necessary reaction buffer: 20 mM hydroxyethylpiperazine ethanesulfonic acid (pH 7.5), 10 mM magnesium chloride, 1 mM EGTA, 0.02% Brij35, 0.02 mg/mL bovine serum albumin, 0.1 mM Na3VO4, 2 mM DTT, 1% DMSO.The necessary cofactors were added separately to the CSF-1R kinase reaction.Enzyme: the concentration of CSF-1R was 2.5 nMTreatment with the Compounds:The compound to be tested was formulated with 100% DMSO into a solution with a specific concentration, and serial dilution was performed with DMSO through the intelligent pipetting assistant Integra Viaflo Assist.Experimental Procedure:Preparation of fresh necessary reaction buffer;All necessary cofactors were added to the above reaction buffer;CSF-1R kinase was added to the above matrix solution and shaken gently;Using acoustic technology (Echo550; nanoliter range), a solution of the compound in DMSO was added to the above kinase reaction mixture, and the reaction solution was incubated at room temperature for 20 minutes;33P-ATP (specific activity, 10 μCi/μl) was added to the above kinase reaction mixture to initiate the reaction;The reaction solution was incubated at room temperature for 2 hours;The kinase activity was detected by the filter-binding method; |
| Affinity data for this assay | |
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