| Assay Method Information | |
| | KRASG12D Nucleotide Exchange Assay |
| Description: | Recombinant GDP-loaded KRAS G12D (20 nM) was treated with compound at room temperature for 20 minutes in assay buffer (10 mM Hepes pH 7.4, 150 mM NaCl, 5 mM MgCl2, 0.0025% Igepal-CA630, 0.05% BSA, 1 mM DTT, 0.5 nM SA-Tb). BIODIPY-labeled GDP (400 nM) and recombinant SOS (10 nM) were added, and the reaction was incubated for 30 minutes. HTRF signal was measured (PerkinElmer Envision), the signal ratio (λem 520/λem 495) was calculated, and IC50 values were calculated from the dose-response curve. |
| Affinity data for this assay | |
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