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. 2017 Apr 10;45(9):5013–5025. doi: 10.1093/nar/gkx230

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© The Author(s) 2017. 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-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 3. — Active sites of angiogenin and CdiA-CT^Ykris. (A and B) Superimposition of the active sites of ANG and the CdiA-CT^Ykris nuclease domain. The ANG active site is composed of a conserved catalytic triad of His13, Lys40 and His116, which overlay onto CdiA-CT^Ykris residues His175, Val192 and Thr276/Tyr278, respectively. Panel B shows a clockwise 90° rotation along the z-axis with respect to panel A. (C) Proposed CdiA-CT^Ykris active site residues interact with the immunity protein. All panels depict structures in cartoon representations with interacting residues shown in stick representation.