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| | mTOR Enzymatic Assay |
| Description: | Agents: 1-fold kinase buffer: 50 mM HEPES, pH 7.5, 10 mM MgCl2, 1 mM EGTA, 3 mM MnCl2, 0.01% Tween-20, 2 mM DTT. 4-fold kinase solution: mTOR kinase was added to 1-fold kinase buffer to form 4-fold kinase solution with a final concentration of 2.5 nM. 2-fold substrate and ATP solution: the substrate 4EBP1 and ATP were added to 1-fold kinase buffer to form 2-fold substrate solution with final concentration of 50 nM of 4EBP1 and 10.8 μM of ATP. 4-fold test substance solutions: 100-fold test substance solutions in different gradient concentrations were formulated with 100% DMSO, and diluted by 25 folds with 1-fold kinase buffer to form 4-fold test substance solutions in different gradient concentrations. Detection solution: a detection solution containing 2-fold final concentrations of EDTA and 4EBP1 phosphorylated antibody was formulated, wherein the final concentration for EDTA was 8 mM, and the final concentration for the 4EBP phosphorylated antibody was 2 nM. Procedure: To each well of a 384-well plate was added 2.5 μL of the 4-fold test substance solutions in gradient concentrations. The replication was made. To each well was added 2.5 μL of 4-fold kinase solution, and then the plate was incubated for 10 mins. Then to each well was added 5 μL/of 2-fold substrate and ATP solution, and then the plate was incubated at room temperature for 1 hour. Finally, 10 μL of the detection solution was added to terminate the reaction. After 60 mins, the data Lance signal (665 nM) was read from Envision. |
| Affinity data for this assay | |
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