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. Author manuscript; available in PMC: 2020 Jul 15.
Published in final edited form as: Nature. 2020 Jan 15;577(7791):572–575. doi: 10.1038/s41586-019-1909-5

Extended Data Figure 7. Maximum likelihood phylogeny of AcrIII-1 homologs.

Extended Data Figure 7

The maximum likelihood phylogenetic tree was constructed with the automatic selection of the best-fit substitution model for a given alignment (LG +G+I). Red circles indicate 95-100% branch support, as assessed using aBayes implemented in PhyML. The scale bar represents the number of substitutions per site. Branches and labels are colour coded: archaea, red; bacteria, black; bacteria and archaea in which AcrIII-1 homologs are associated with CRISPR loci, blue; archaeal viruses and plasmids, green; bacteriophages, orange.