FIG 4.

Overview of the Lost City Chloroflexi central carbon metabolism pathways and electron transport chain. The definitions of symbols are the same as those provided in the key to Fig. 2. Abbreviations: RuBisCO, ribulose-1,5-bisphosphate carboxylase/oxygenase; Hdr, heterodisulfide reductase; fdh, formate dehydrogenase; CODH/ACS, carbon monoxide dehydrogenase/acetyl-CoA synthase; focA, formate/nitrite transporter; WL pathway, Wood-Ljungdahl pathway; Ca, carbonic anhydrase; cyt, cytochrome; PFOR, pyruvate:ferredoxin oxidoreductase; HQ, hydroquinone; Q, quinone.