F71N mutation recovers K selectivity.(A) Crystal structure of KirBac1.1 SF and transmembrane domains with residues forming K binding sites highlighted in green, I131 position in red, and F71 position in magenta. (B) Relative flux calculated as in Fig. 2, for mutants, as indicated. All data are represented as mean ± SEM of at least n = 3 experiments.
Figure 5.

F71N mutation recovers K selectivity. (A) Crystal structure of KirBac1.1 SF and transmembrane domains with residues forming K binding sites highlighted in green, I131 position in red, and F71 position in magenta. (B) Relative flux calculated as in Fig. 2, for mutants, as indicated. All data are represented as mean ± SEM of at least n = 3 experiments.

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