| Assay Method Information | |
| | Kinase Binding Assay |
| Description: | TrkA binding activity was determined in a TrkA LanthaScreen Eu Kinase Binding Assay. 5 nM His-tagged recombinant human TrkA (6HIS tagged cytoplasmic domain from Invitrogen, Catalog No. PV3144) was incubated with 4 nM Alexa-Fluor Tracer 236 (Invitrogen Cat. No. PV5592), 2 nM biotinylated anti-His (Invitrogen Cat. No. PV6090), and 2 nM europium-labeled Streptavidin (Invitrogen Cat. No. PV5899), in buffer (25 mM MOPS, pH 7.5, 5 mM MgCl2, 0.005% Triton X-100). Three fold serial dilutions of compounds of the invention in DMSO were added to a final percentage of 2% DMSO. After 60-minute incubation at 22° C., the reaction was measured using the EnVision mutlimode plate reader (PerkinElmer) via TR-FRET dual wavelength detection at 615 nM and 665 nM. The percent of control was calculated using a ratiometric emission factor. |
| Affinity data for this assay | |
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