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. 2013 Dec 8;57(2):462–476. doi: 10.1021/jm401568s

Table 1. pIC50 of Representative Compounds As Measured by AlphaScreen and ΔTm As Measured by DSF.

  6
7
8
15
target ΔTm °Ca,b pIC50 ΔTm °Ca,b pIC50 ΔTm °Ca,b pIC50 ΔTm °Ca,b pIC50
BRD4(1) 1.4 ± 0.40 (3) 4.7 (4.6–4.8)c 2.2 ± 0.15 (3) 5.7 (5.6–5.8)c 1.7 ± 0.08 (3) 5.9 (5.9–5.9)c 4.3 ± 0.16 (3) 5.3 ± 0.54 (2)a
BRD9 2.1 ± 0.56 (3) ND 3.6 ± 0.31 (3) 5.9 (5.7–6.1)c 1.8 ± 0.22 (3) 5.8 (5.6–6)c 5.6 ± 0.30 (3) 6.3 ± 0.12 (2)a
CECR2 1.5 ± 0.54 (3) 5.3 (5.1–5.5)c 2.4 ± 0.7 (3) 5.5 (4.9–6.0)c 3.2 ± 0.87 (3) 6.6 (6.5–6.7)c 3.3 ± 0.14 (3) 6.3 ± 0.17 (2)a
CREBBP 1.6 ± 0.10 (3) 5.2 ± 0.48 (2)a 1.9 ± 0.12 (3) 5.8 (5.5–6.1)c 0.7 ± 0.1 (3) 5.9 (5.7–6.2)c 2.8 ± 0.13 (3) 4.8 ± 0.061 (3)a
BAZ2B 0.03 ± 0.03 (3) <4d 0.23 ± 0.09 (3) <4d 0.20 ± 0.11 (3) <4d –0.013 ± 0.18 (3) <4d
PB1(5) 0.16 ± 0.03 (3) <4d –0.18 ± 0.13 (3) <4d –0.33 ± 0.05 (3) <4d –0.070 ± 0.087 (3) <4d
TIF1α –0.14 ± 0.04 (3) <4d –0.27 ± 0.05 (3) <4d –0.19 ± 0.06 (3) <4d –0.12 ± 0.082 (3) <4d
R2e 0.90 0.90 0.80 0.82
a

Mean ± standard error of the mean (number of determinations).

b

Compound concentration 10 μM.

c

pIC50 (95% CI based on duplicate pIC50 measurements).

d

<25% inhibition at 100 μM.

e

Coefficient of determination based on a linear correlation between DSF Tm shift (abscissa) and AlphaScreen pIC50 (ordinate).