| Assay Method Information | |
| | AlphaScreen Assay |
| Description: | NIK/MAP3K14 auto-phosphorylation activity was measured using the AlphaScreen (αscreen) format (Perkin Elmer). All compounds tested were dissolved in dimethyl sulfoxide (DMSO) and further dilutions were made in assay buffer. Final DMSO concentration was 1% (v/v) in assays. Assay buffer was 50 mM Tris pH 7.5 containing 1 mM EGTA (ethylene glycol tetraacetic acid), 1 mM DTT (dithiothreitol), 0.1 mM Na3VO4, 5 mM MgCl2, 0.01% Tween 20. Assays were carried out in 384 well Alphaplates (Perkin Elmer). Incubations consisted of compound, 25 microM Adenosine-5′-triphosphate (ATP), and 0.2 nM NIK/MAP3K14. Incubations were initiated by addition of GST-tagged NIK/MAP3K14 enzyme, carried out for 1 h at 25° C. and terminated by addition of stop buffer containing anti-phospho-IKK Ser176/180 antibody. Protein A Acceptor and Glutathione-Donor beads were added before reading using an EnVision Multilabel Plate Reader (Perkin Elmer). Signal obtained in the wells containing blank samples was subtracted from all other wells and IC50's were determined by fitting a sigmoidal curve to % inhibition of control versus Log10 compound concentration. |
| Affinity data for this assay | |
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