FIG 1.

The formate transporter (fdhC) contig in the Lost City Sulfurovum MAG. Relevant genes are reported here in the order that they are found on the contig. Gene order is indicated above the arrows that indicate the forward or reverse direction of transcription. Double lines indicate where genes are omitted from this visual representation of the contig. Orange genes are involved in the formate hydrogenlyase (FHL) complex; blue genes (fdhH, fdhF, fdhI, fdhB, fdhA, fdhA2) indicate formate dehydrogenase genes that may interact with the FHL complex; the green gene (fdhC) is involved in formate transport. All other genes, including regulatory genes, are reported in gray. KEGG identification numbers are indicated on arrows where appropriate. hycI, hydrogenase 3 maturation protease; cooA, CRP/FNR family CO-sensing transcription factor.