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. 2020 Jun 24;12(6):683. doi: 10.3390/v12060683

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Comparison of the currently available four herpesviral 3D core NEC crystal structures, highlighting the heterodimeric contact interfaces, each in two different viewing angles (left and right rotated by 90 degrees). (a) HSV-1 core NEC, (b) PRV core NEC, (c) HCMV core NEC, (d) EBV core NEC. Interacting residues within the hook or groove are colored in red and orange, respectively. Distinct amino acids marking the start or end positions of structural elements are labeled as orientation points.