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. 2022 Sep 14;13:5377. doi: 10.1038/s41467-022-33155-6

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 7 — a Radius profile along the channel axis averaged over a trajectory also showing the standard deviations as shaded error bars. b N-terminal and c C-terminal view of the electrostatic potential map of the amino residues of LpPorA lining the interior channel wall. d N-terminal and e C-terminal view of the electrostatic potential map of the amino residues of DpPorA lining the interior channel wall. The computed electrostatic potential ranges from −580 to +186 k_BT/e for LpPorA and −512 to +180 k_BT/e for DpPorA, where 1 k_BT/e = 26 mV at 300 K. For clarity, the color range for the electrostatic potential has been limited from −200 to +200 k_BT/e.