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. 2015 May 21;2:25. doi: 10.3389/fmolb.2015.00025

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Copyright © 2015 Davidov, Müller, Baumgartner, Bitton, Faivre, Schüler and Zarivach.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Polar and hydrophobic interaction network of MtxA-Big with MtxA-TPR. (A) “Close up” view of the hydrogen-bond interaction network (blue dotted lines) between the residues from each fold backbone: T151, T155, E162, E187, and R190 (MtxA-Big; orange cartoon; side chains shown as sticks) with D231, G260, D267, R270, and R296 (MtxA-TPR; green cartoon; side chains shown as sticks). (B) Overview of water-mediated interactions (red dotted lines) between the side chains (shown as sticks) and water (red spheres): R145 with K294, R145 with E162, A147 with L293, S148 with D292, D149 with D292, D149 with T262, T151 with V263, and W225 with E230. (C) Surface representation of hydrophobic interacting residues (shown as sticks and surface).