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. 2022 Aug 25;23(Suppl 6):558. doi: 10.1186/s12864-022-08796-y

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© The Author(s) 2022

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. 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 in a credit line to the data.

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Fig. 3 — DNA binding motifs and phylogeny of HisR regulators in various taxonomic groups of Bacteria. Sequence logos representing the consensus HisR binding site motifs were constructed using all candidate sites in the respective bacterial lineage. Maximum likelihood phylogenetic tree for HisR proteins in studied genomes of Firmicutes (395 genomes), Proteobacteria (62 genomes), Actinobacteria (22 genomes), Synergistetes (9 genomes), Dictyoglomi (2 genomes), Elusimicrobia and Tenericutes. Branches representing HisR proteins from each of the above phyla are highlighted by colors matching their corresponding HisR motif box outline colors. The size of circles in internal nodes represents bootstrap values in percentages (out of 100). TrpR repressor from E. coli was used as an outgroup. Detailed tree with protein IDs and genome names is presented in the rectangular form in Additional file 1