# OC Root 2nd 3rd 4th PC Gene/Definition OC.456087 Archaea.17040 Euryarchaeota.16483 Halorhabdus.1789 hut.720 hut:Huta_0705 NADH-quinone oxidoreductase, B subunit; K00331 NADH-quinone oxidoreductase subunit B [EC:7.1.1.2] OC.456087 Archaea.17040 Euryarchaeota.16483 Halorhabdus.1789 hti.641 hti:HTIA_0616 NADH-ubiquinone oxidoreductase chain B; K00331 NADH-quinone oxidoreductase subunit B [EC:7.1.1.2]