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. 2019 Jul 1;17(7):e3000351. doi: 10.1371/journal.pbio.3000351

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© 2019 Guo et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 8 — (A–D) Hydrogen bonds and hydrophobic interactions of S49 and V67 in WT needle filament and PrgI^S49A and PrgI^V67A filaments. (E–G) Electrostatic potential maps of the lumen of PrgI^WT, PrgI^S49A, and PrgI^V67A filaments. (H) Cross-section view of the PrgI filaments lumen alignment (PrgI^WT [cyan], PrgI^S49A [green], and PrgI^V67A [white]). cryo-EM, cryo electron microscopy; WT, wild-type.