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. 2014 Sep;144(3):245–255. doi: 10.1085/jgp.201411220

Figure 6.

Figure 6.

Monovalent alkali cation selectivity. (A) I-V relationships with NaCl replaced by LiCl, RbCl, or CsCl. All solutions were nominally Ca2+ free. (B) I-V relationships with Na+ replaced by KCl, RbCl, or NMDG·Cl in the absence of Ca2+. Currents were normalized to values obtained at Vm = −100 mV with 110 mM NaCl. Data represent means ± SEM for 5–13 measurements. (C) Values of Gx/GNa obtained from ratios of inward slope conductance in A and B. Values of Px/PNa were obtained from the shift in reversal potential in A and B.