| Assay Method Information | |
| | In Vitro Evaluation of the Inhibitory Activity Against ROCK Protein Kinase |
| Description: | Assay buffer solution: 20 mM 4-hydroxyethylpiperazine ethanesulfonic acid (pH 7.5), 10 mM magnesium chloride, 1 mM ethylene glycol-bis-(2-aminoethyl)tetraacetic acid, 0.02% polyethylene glycol monododecyl ether, 0.02 mg/mL bovine serum albumin, 0.1 mM sodium vanadate, 2 mM dithiothreitol, 1% DMSO.Experimental Operation:The freshly prepared buffer solution was added to ROCK protein kinase substrate (Long S6 Kinase substrate peptide), at a concentration of 20 μM, then 1 nM ROCK protein kinase was added thereto and stirred evenly. Echo550 was used to add a series of DMSO dilutions containing the test compound (starting from 10 μM, serially diluted by 3 times), the solution was pre-incubated at room temperature for 20 minutes, then 33P-ATP (radiation intensity 10 μCi/μL) was added to initiate the reaction, and the reaction was performed at room temperature for two hours. Then the solution was filtered by P81 ion exchange paper (Whatman #3698-915) and washed with 0.75% phosphoric acid. The radiation intensity was determined by Filter-Binding method. |
| Affinity data for this assay | |
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