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. 2019 Feb 4;17(2):e3000123. doi: 10.1371/journal.pbio.3000123

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© 2019 Waldron 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 5 — (A) Cartoon representation of the RpfF_Bc–RpfR_Ct(FI) heterohexamer. RpfF_Bc monomers are colored lime, sand, and marine. RpfR_Ct(FI) monomers are colored yellow, magenta, and orange. (B) Expanded (and rotated 180°) view of the area enclosed by the rectangle in A with the structure of RpfR_Ct(FI) alone (cyan) aligned with RpfR_Ct(FI) in complex with RpfF_Bc (magenta). (C) Surface representation of the hexamer (colored as in A). (D) Expanded and tilted view of the area enclosed by the rectangle in C orientated looking into the substrate tunnel entrance (for clarity RpfR_Ct[FI] is omitted). RpfF_Bc residues that interact with RpfR_Ct(FI) are depicted as a gray surface. FI, RpfF interaction; RpfF, regulation of pathogenicity factor F; RpfR, regulation of pathogenicity factor R.