| Assay Method Information | |
| | ADP Generation Assay |
| Description: | The primary assay for compound inhibitory activity was the ADP generation assay described herein. Test compounds were diluted to desired concentrations in kinase reaction buffer and briefly incubated with recombinant full-length human BTK kinase with a (His)6 tag (81.3 kDa; Invitrogen Corporation, Carlsbad, Calif.). The assay as described is based on volumes used in a standard 384 well format using solid, white-wall plates. The reaction was subsequently initiated by the addition of ATP and myelin basic protein (MBP) substrate (Millipore Corporation, Waltham, Mass.). Composition of the assay reaction mixture (5 mL volume) was: 5% v/v DMSO, 60 nM BTK, 1.6 μM ATP, and 20 μM MBP substrate. After incubation at room temperature for 60 min, 5 mL of the ADP-Glo reagent (Promega Corporation, Madison, Wis.) was added to each well and incubated for an additional 40 minutes. |
| Affinity data for this assay | |
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