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. 2014 Aug 14;42(16):10632–10643. doi: 10.1093/nar/gku741

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© The Author(s) 2014. Published by Oxford University Press on behalf of Nucleic Acids Research.

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 reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 5. — Representation of the U-shaped turns in the structures of the nucleoprotein complexes R388_TrwC_R:mutant IV, R388_TrwC_R:nic-site (PDB ID: 2CDM,(23));F_TraI:nic-site (PDB ID: 2A0I (31)) and pLW1043_NES: nic-site (PDB ID: 4HT4 (32). The nucleotides are numbered equivalent to R388_TrwC structure. The position of the nic-cleavage site is highlighted by an orange arrow. Hydrogen bonds are represented by dashed lines. The alignment of representative nic-sites of MOB_F and MOB_Q plasmids is shown. U-shaped turn forming nucleotides are shown in bold while nucleotides changed in mutant IV are shown in red.