# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.57924	Archaea.53488	Euryarchaeota.30516	Methanococcus.3214	mae.926	mae:Maeo_0943   NADH dehydrogenase (quinone)
OC.57924	Archaea.53488	Euryarchaeota.30516	-	mok.337	mok:Metok_0336   NADH dehydrogenase (quinone); K12137 hydrogenase-4 component B [EC:1.-.-.-]
OC.57925	Archaea.65077	Euryarchaeota.50099	Methanocella.3688	rci.1719	rci:RCIX2387   hydrogenase, membrane subunit 4-like protein (HycC-like)
OC.57926	Archaea.46708	Crenarchaeota.18663	Thermofilum.2440	tpe.202	tpe:Tpen_0188   NADH dehydrogenase (quinone); K12137 hydrogenase-4 component B [EC:1.-.-.-]
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.-.-.-]