Figure 3
From: Delta-proteobacterial SAR324 group in hydrothermal plumes on the South Mid-Atlantic Ridge

Main schematic metabolic pathways and novel components involved in the electron transport chain in SAR324 cluster bacteria deduced in the present study.
NfrD, membrane-spanning polysulfide reductase; ACIII, alterative complex III (cytochrome oxidoreductase) protein; fcc, flavocytochrome C; sox, sulfur oxidation complex; fdh, formate dehydrogenase; sat, sulfate adenylyltransferase; apr, adenosine 5′-phosphosulfate reductase; dsr, dissimilatory sulfite reductase; BoxB, benzoyl-CoA oxygenase component B; BoxC, benzoyl-CoA dihydrodiol lyase; PaaJ, 3-oxoadipyl-CoA/3-oxo-5,6-dehydrosuberyl-CoA thiolase ; PaaH, 3-hydroxyadipyl-CoA dehydrogenase.