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. 2015 Mar 30;290(20):12879–12898. doi: 10.1074/jbc.M114.634493

FIGURE 12.

FIGURE 12.

Structure-activity relationship for UC-857993. UC-857993 and related structural analogs were assayed for their ability to dose-dependently inhibit 50 nm His6-SOS1cat-mediated BODIPY-TR-GTP loading on 2 μm His6-H-Ras (residues 1–166) in the 96-well format. The structural relationships of UC-857993 and related analogs are displayed as a flow diagram based upon experimental activity and chemical structure. IC50 values were calculated based upon nonlinear regression analysis (GraphPad Prism 6) at a single time point of 900 s and are displayed in the table. IC50 values represent the mean ± S.E. of three independent experiments. NA, no activity.