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. Author manuscript; available in PMC: 2019 Oct 22.
Published in final edited form as: Biochem J. 2018 Oct 22;475(20):3221–3238. doi: 10.1042/BCJ20180424

Table 2. Biochemical IC50 measurements for selective inhibitors of IDH1 mutants.

Percent activity of an incubation of IDH1, NADPH, and αKG with increasing concentrations of inhibitor were determined and plotted against log[inhibitor] and fit to a sigmoidal function. The 95% confidence intervals are shown as determined from the deviation from these fits.

IDH1 ML309 IC50 (μ-M) [confidence interval] AGI-5198 IC50 (μM) [confidence interval]
WT 80 [60–100] 1000 [480–2100]
R132H 0.04 [0.03–0.05] 0.04 [0.03–0.06]
R132Q 5 [4–7] 650 [330–1300]
R132C 0.04 [0.02–0.07] 0.2 [0.07–0.4]
R132G 0.09 [0.07–0.1] 0.23 [0.20–0.27]
R132L 0.01 [0.009–0.14] 0.009 [0.008–0.011]
R132S 0.1 [0.096–0.15] 0.3 [0.2–0.5]
R132V 0.0035 [0.0027–0.0044] 0.02 [0.02–0.03]