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. 2021 Jul 12;10:e69482. doi: 10.7554/eLife.69482

Table 2. Fit parameters for anion block experiments.

Dual-topology channels Oriented channels
WT/OCN- WT/SCN- WT/NO3- WT/Cl- WT/OCN- WT/Cl- E88Q/OCN- E88Q/Cl-
Ki,1 6.8 mM 9.0 mM 45 mM 137 mM 7.9 mM 480 mM 48.9 mM 213 mM
Bmax1 0.5 0.5 0.5 0.5 1.0 1.0 1.0 1.0
Ki,2 100 mM 190 mM 530 mM 1.1 M -- -- -- --
Bmax2 0.5 0.5 0.5 0.5 -- -- -- --
Dual-topology channels
E88Q/SCN- E88Q/Cl-
Ki,1 398 mM 542 mM
Bmax1 0.5 0.5
Ki,2 1.2 M 5.8 M
Bmax2 0.5 0.5