Abstract:While there has been recent success in the development of KRasG12C inhibitors, unmet needs for selective inhibitors and tool compounds targeting the remaining oncogenic KRas proteins remain. Here, we applied trifluoromethyl-containing ligands of KRas proteins as competitive probe ligands to assay the occupancy of the switch II pocket by 19F NMR spectroscopy. Structure-activity-relationship studies of probe ligands increased the sensitivity of the assay and identified structures that differentially detected eac… Show more
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