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. 2011 Aug 30;10(Suppl 1):S16. doi: 10.1186/1475-2859-10-S1-S16

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Copyright ©2011 Foroni et al; licensee BioMed Central Ltd.

This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Structural representation of the major pilin subunits of B. bifidum PRL2010. BBPR_1707, BBPR_1821 and BBPR_0283 are colored in cyan, green and yellow, respectively. The pilin motifs (residues 188-197 in BBPR_1707, 184-191 in BBPR_1821 and 224-231 in BBPR_0283) are highlighted in red. The side chains of the conserved lysines in these three pilin motifs (K197 in BBPR_1707, K191 in BBPR_1821 and K231 in BBPR_0283) are shown as sticks and balls. The E-box motif in each model is colored in black (residues 445-456 in BBPR_1707, 428-439 in BBPR_1821 and 438-449 in BBPR_0283).