| Assay Method Information | |
| | Enzyme Activity Inhibition |
| Description: | 1xkinase buffer preparation: 40 mM Tris (pH 7.5), 20 mM MgCl2, 0.10% BSA, 1 mM DTT. Compound preparation: The final detection concentration of the compound was 10 uM, which was configurated to a 100-fold concentration, i.e., 1 mM. In the second well of the 384-well plate, 100 uL of 100-fold compound was added, and 60 uL of 100% DMSO was added to other wells. 30 uL of compound from the second well was taken and added to the third well, and a 3-fold dilution was made in sequence, a total of 10 concentrations were diluted. 50 nL of compound was transferred to the reaction plate with echo. Kinase reaction: Kinase was added to 1xkinase buffer to form a 2xenzyme solution. The final concentration of kinase solution was ALK5:25 nM. The polypeptide TGFbR1 (purchased from Signal Chem, catalog number T36-58) and ATP were added to 1xkinase buffer to form a 2xsubstrate solution. The final concentration of the substrate solution was 0.1 mg/mL peptide TGFbR1, 7 uM ATP. 2.5 uL of 2xenzyme solution was added to the 384-well reaction plate (there was already 50 nL of 100% DMSO dissolved compound), and 1xkinase buffer was added to the negative control well. The plate was incubated at room temperature for 10 minutes. 2.5 uL of 2x substrate solution was added to the 384-well reaction plate. The 384-well plate was covered and incubated at 30 C. for 1 hour. ADP-Glo reagent (purchased from Promege, catalog number v9102) was equilibrated to room temperature. 5 uL of ADP-Glo reagent was transferred to the reaction well of the 384-well plate to stop the reaction. Detection of reaction results: 10 uL of kinase detection reagent was transferred to each reaction well, the plate was shaken for 1 minute and placed at room temperature for 30 minutes. The sample luminescence value was read at Synergy. |
| Affinity data for this assay | |
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