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. Author manuscript; available in PMC: 2016 Jun 28.
Published in final edited form as: Biochemistry. 2010 Feb 2;49(4):696–708. doi: 10.1021/bi901799k

Figure 6.

Figure 6

The density of water oxygen in the pore as a function of transmembrane displacement (z) is shown along with the structure of the bundle and of selected pore-lining residues (only three chains shown for clarity). A. WT (red), S31N (blue), and V27K (orange); B. WT (red), A30F (blue) and S31F (orange); A30, F30, H37, and W41 are represented as sticks. V27, K27, S31, N31, H37, and W41 are represented as sticks. The region of vanishing water density in A30F and S31F is expanded for clarity.