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. Author manuscript; available in PMC: 2021 Jan 3.
Published in final edited form as: Environ Microbiol Rep. 2019 Nov 21;12(1):49–57. doi: 10.1111/1758-2229.12809

Fig. 2.

Fig. 2.

Maximum likelihood phylogenetic tree of pilin sequences. Methanomicrobiales archaellum was used as the outgroup. Asterisks indicate putative e-pilins from enrichment cultures. Dashed lines indicate sequences that do not meet the criteria for e-pili. Double lines indicate that the branch length was shortened to fit inside the figure boundaries. The gene order for Betaproteobacteria putative e-pilins (pilE) is shown. See Supplemental Data File for details on each sequence and full names of species. Table S2 provides characteristics of type IV pilins and type II secretion (T2S) pseudopilins involved in functions other than EET. Environmental abbreviations: A, Asop; CG, Crystal Geyser; K, Kabuno; M, Matano; Mc, McNutt; R, Rifle; T, Towuti.