sbt:Sbal678_1465 no KO assigned | (GenBank) FAD-dependent pyridine nucleotide-disulfide oxidoreductase sbt:Sbal678_3256 no KO assigned | (GenBank) Aldehyde ferredoxin oxidoreductase sbt:Sbal678_3257 no KO assigned | (GenBank) 4Fe-4S ferredoxin iron-sulfur binding domain-containing protein