| Assay Method Information | |
| | Kinase Assay of RIPK1 |
| Description: | Materials: Recombinant full-length RIPK1 protein with N-terminal GST-tag (Cat#R07-34G) was purchased from SignalChem. The ADP-Glo kinase assay kit (Cat#V9102) was from Promega. MBP (cat# M2295) protein and all the other chemicals were from Sigma. The 384-well assay plates (Cat#3674, white, opaque) were purchased from Corning. Kinase activity assay and data analysis: The RIPK1 kinase assay was performed in white 384-well plate. The assay buffer contained 25 mM HEPES (pH7.2), 20 mM MgCl2, 12.5 mM MnCl2, 5 mM EGTA, 2 mM EDTA, 12.5 mM β-glycerol phosphate and 2 mM DTT. RIPK1 was first incubated with compounds or DMSO control for 15 mM, then ATP/MBP substrate mixture was added to initiate the reaction. The final concentration of RIPK1 was 161 nM, while the final concentration of ATP was 50 uM, and MBP 20 uM. After 90 min reaction at room temperature, the ADP-Glo reagent and detection solution were added following the technical manual of ADP-Glo kinase assay kit (Promega). The luminescence was measured on PerkinElmer Enspire. The data was analyzed using Graphpad Prism (GraphPad Software; www.graphpad.com). The curves were fitted using a non-linear regression model with a sigmoidal dose response. |
| Affinity data for this assay | |
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