# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.57927	Archaea.37071	Thaumarchaeota.2871	Nitrososphaera.1283	nvn.710	nvn:NVIE_007100   hyfB; hydrogenase 4, membrane subunit; K12137 hydrogenase-4 component B [EC:1.-.-.-]
OC.57927	Archaea.37071	Thaumarchaeota.2871	Nitrososphaera.1283	nev.2347	nev:NTE_02450   formate hydrogenlyase subunit 3/multisubunit Na+/H+ antiporter, MnhD subunit; K12137 hydrogenase-4 component B [EC:1.-.-.-]
OC.57927	Archaea.37071	Thaumarchaeota.2871	-	taa.3114	taa:NMY3_03653   hyfB_3; Hydrogenase-4 component B; K12137 hydrogenase-4 component B [EC:1.-.-.-]
OC.57927	Archaea.37071	Thaumarchaeota.2871	-	ndv.897	ndv:NDEV_0880   hyfB; NiFe-hydrogenase-4 subunit B; K12137 hydrogenase-4 component B [EC:1.-.-.-]