| Assay Method Information | |
| | Biochemical Enzyme Assay |
| Description: | HPK1 biochemical enzyme assay: HPK1 enzyme inhibition was measured using a microfluidic mobility shift assay. Reactions were performed in a 384-well plate, containing 1.5 nM HPK1 (Invitrogen), in assay buffer (Carna Biosciences; pH 7.4). Test compounds were titrated in ten point curves (top final assay concentration 3 μM), and preincubated with enzyme/substrate mix for 30 min prior to initiation of the reaction by addition of ATP (1 mM final concentration) and substrate (1 μM final concentration; Carna Biosciences) diluted in assay buffer supplemented by MgCl2 (final assay concentration of 5 mM). Following 60 min incubation at RT, the reaction was terminated by addition of 60 l/well termination buffer (Carna Biosciences) and signal determination using aCaliper EZ Reader (Perkin Elmer, UK). |
| Affinity data for this assay | |
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