# OC Root 2nd 3rd 4th PC Gene/Definition OC.110700 Archaea.17561 Euryarchaeota.17287 Haloterrigena.882 htu.3280 htu:Htur_3303 FAD-dependent pyridine nucleotide-disulphide oxidoreductase OC.110700 Archaea.17561 Euryarchaeota.17287 Haloterrigena.882 hda.66 hda:BB347_00165 NADH oxidase