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. 2021 Feb 12;13(2):290. doi: 10.3390/v13020290

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© 2021 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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Dimerization interface of A3A-E72A-C171A and A3B_CTD*. (A) A3A-E72A-C171A homodimer (PDB 4XXO [49]) (grey) labelled with residues that are important in forming the dimerization interface. A3A molecule A dimerization residues labelled in blue and A3A molecule B dimerization residues labelled in orange. (B) Comparison of the A3A-E72A-C171A homodimer (PDB 4XXO [3,49]) (grey) to our dimer interface model 1 of A3B_CTD* (molecule A in green and molecule B in cyan). Zn²⁺ ions are represented as yellow spheres and chloride ions are shown as magenta spheres.