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. Author manuscript; available in PMC: 2018 Jun 22.
Published in final edited form as: Annu Rev Biochem. 2018 Apr 18;87:645–676. doi: 10.1146/annurev-biochem-062917-012300

Figure 3.

Figure 3

Methanobactin (Mbn) operons. (a) Operon schematics for Mbn operon groups. (b) Phylogenetic tree of MbnB protein sequences, illustrating the divisions used to define the Mbn operon groups. (c) Sequence logos for MbnA sequences from different groups. Figure adapted with permission from References 25 and 215.