| Assay Method Information | |
| | Biochemical Assay |
| Description: | A 500 ml stock volume of 5× Reaction Kinase Buffer was made by mixing 1000 μl of 1M MgCl2, 500 μl of 1M Tris-HCL pH7.4, 0.5 mg/ml (25 mg) of BSA, and 3475 μl of distilled H2O. A 3 ml 2× working stock volume of Reaction Kinase Buffer was made containing a final concentration of 100 μM DTT and 4 mM MnCl2.Components of RIPK1 enzyme (Rigel Pharmaceuticals, South San Francisco, Calif., USA) were thawed on ice. Diluted RIPK1 was prepared in 1× Kinase Reaction Buffer (diluted from 2× buffer) to 31 ng/well. A 166 μM working stock ATP assay solution was prepared in 1× Kinase Reaction Buffer (diluted from 2× buffer).Compounds were serially diluted in DMSO from 250 uM in 4-fold dilutions then diluted 1:5 in 2× Reaction Buffer in a 96 well plate. 1.0 ul of diluted compound was added to a 384 well plate in duplicate. 2 μl of diluted Active RIPK1 was added to 384 well plate (do not add to column 1) add 2× rxn buffer to column 1. A KT (Anaspec, Fremont, Calif., USA) at 150 nM was combined with ATP working stock at equal volume and 2 ul/well were added to the 384 well plate. The final reaction volume was 5.0 μl. |
| Affinity data for this assay | |
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