Fig. 2From: Anion-selective Formate/nitrite transporters: taxonomic distribution, phylogenetic analysis and subfamily-specific conservation pattern in prokaryotesTaxonomic distribution of FNTs. (a) Taxonomic distribution of all 2206 FNT sequences. (b) Taxonomic distribution for each individual prokaryotic FNT subfamily is provided. The species groups to which the channels belong are shown in different colorsBack to article page