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. Author manuscript; available in PMC: 2018 Aug 24.
Published in final edited form as: J Phys Chem B. 2017 Aug 9;121(33):7899–7906. doi: 10.1021/acs.jpcb.7b05568

Figure 3.

Figure 3

Species-specific ionic conductance of truncated AQP. (a–c) The number of ions permeated across the truncated AQP tetramer system at ±500 mV, ±800 mV, and ±1200 mV biases respectively, with magnitude of bias given as —V— at the top of each panel. Red traces indicate Cl− permeation, blue traces indicate Na+ permeation. Step-function black traces indicate the applied transmembrane bias versus simulation time, with dashed lines serving as guides for the eye. Data at ±1000 mV are reported in Figure S1. (d–e) Mean Cl− (d) and Na+ (e) conductance of the truncated AQP tetramer. Error bars indicate the standard deviation of the mean conductance. The mean values were computed as described in the caption to Figure 2.