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. 2019 Apr 15;50:26. doi: 10.1186/s13567-019-0645-z

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© The Author(s) 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Alignment of the amino acid sequences of TrxH_Ep homologues. Dots denote gaps introduced for maximum matching. The consensus residues are in black, the residues that are ≥ 75% identical among the aligned sequences are in pink. Conserved WCXXC catalytic motif and QSTL/M motif are boxed. The characteristic elements of the thioredoxin fold (α1, α2, α3, α4, α5, β1, β2, β3, and β4) are underlined.