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Fig. 3 | BMC Genomics

Fig. 3

From: Anion-selective Formate/nitrite transporters: taxonomic distribution, phylogenetic analysis and subfamily-specific conservation pattern in prokaryotes

Fig. 3

Phylogenetic analysis of prokaryotic FNTs. Phylogenetic analysis of 1723 prokaryotic FNTs identified eight subgroups. Two subfamilies (FocA and FdhC) for formate channels and three subgroups (NirC-α, NirC-β and NirC-γ) for nitrite channels have been recognized in addition to hydrosulphide (HSC) channels. The uncharacterized YfdC is divided into two clusters (YfdC-α and YfdC-β). The numbers given in the brackets represent the number of FNT channels for each cluster. With 361 and 79 members, Yfdc-α and NirC- β are the largest and smallest clusters respectively. The presence of operon is indicated in the outer circle with the respective color codes. The figure was generated using the web-based tool iTOL (Interactive Tree of Life) [73]

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