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. 2015 Feb 27;15:4. doi: 10.1186/s12900-015-0031-7

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© Gorgel et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Dimer of Pil _Bac1 ΔN. A: Dimeric interface between two Pil_Bac1∆N molecules in the crystal. B: Superposition of a Pil_Bac1∆N monomer with PilE from N. gonorrhoeae (2HI2.PDB). C: Superposition based on the head domains of a Pil_Bac1∆N monomer with the modelled α-helix onto PilE from N. gonorrhoeae (2HI2.PDB). D: Pil_Bac1∆N dimer with the modelled α-helices at the N-terminus based on a superposition with the α-helix from PilE from N. gonorrhoeae (2HI2.PDB). E: Potential arrangement of a Pil_Bac1 dimer in a membrane. This figure was generated with the PPM server [79]. The structure of Pil_Bac1∆N is shown in blue, the modelled helix in cyan and PilE from N. gonorrhoeae is shown in red.