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. 2016 Mar 31;7(20):29011–29022. doi: 10.18632/oncotarget.8508

Table 1. IC50 values for inhibition of ALK Y1604 phosphorylation by brigatinib or crizotinib in PC12 cells.

ALK mutations IC50 (nM) Fold difference
brigatinib crizotinib
WT 2.6± 0.2 19.68 ± 9 8
G1128A 2.0 ± 0.6 41.82 ± 5 21
I1171N 10.2 ± 5.7 110.90 ± 18 11
F1174L 1.5 ± 0.4 25.35 ± 10 17
R1192P 2.5 ± 0.4 64.0 ± 12 26
F1245C 6.6 ± 0.3 34.07 ± 0 5
G1269A 3.4 ± 2.0 118.9 ± 23 35
R1275Q 4.2 ± 0.7 32.58 ± 0 8
Y1278S 4.6 ± 0.2 72.44 ± 2 16

IC50 values were determined by quantification of Y1604 phosphorylation from the immunoblots in Figure 2A and 2B. Values represent mean ± SD from at least two independent experiments.