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. 2006 Dec 15;2(12):e163. doi: 10.1371/journal.pcbi.0020163

Figure 3. Phylogenetic Tree of the α-proteobacterial Regulators from the Rrf2 Superfamily.

Figure 3

(A) RirA/NsrR, (B) IscR. Genome abbreviations are listed in Figure 1. nsrR/rirA homologs positionally linked with the nitrosative stress response genes are underlined.