# OC Root	2nd	3rd	4th	5th	PC	Gene/Definition
OC.336199	Archaea.8374	Crenarchaeota.1557	Ignicoccus.343	-	iho.1353	iho:Igni_1367   nickel-dependent hydrogenase, large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Ignicoccus.343	-	iis.72	iis:EYM_00290   cytochrome B; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	-	-	hbu.1308	hbu:Hbut_1368   Periplasmic hydrogenase large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	-	-	pfm.113	pfm:Pyrfu_0078   nickel-dependent hydrogenase large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	-	-	pdl.652	pdl:Pyrde_0647   Ni,Fe-hydrogenase I large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Sulfolobus.4420	Sulfolobus_islandicus.4077	sih.871	sih:SiH_0892   [NiFe] hydrogenase large subunit, HyaB; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Sulfolobus.4420	-	sula.113	sula:BFU36_00485   cytochrome C; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Acidianus.1718	-	aman.832	aman:B6F84_04120   hypothetical protein; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Acidianus.1718	-	abri.707	abri:DFR85_03785   cytochrome B; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Acidianus.1718	-	asul.778	asul:DFR86_04020   cytochrome B; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Pyrobaculum.2507	-	pis.220	pis:Pisl_0197   nickel-dependent hydrogenase, large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Pyrobaculum.2507	-	pcl.1525	pcl:Pcal_1578   nickel-dependent hydrogenase, large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Pyrobaculum.2507	-	pas.1238	pas:Pars_1298   nickel-dependent hydrogenase, large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Pyrobaculum.2507	-	pog.914	pog:Pogu_0917   Ni,Fe-hydrogenase I large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Pyrobaculum.2507	-	tne.409	tne:Tneu_0407   nickel-dependent hydrogenase large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Thermoproteus.966	-	tuz.2143	tuz:TUZN_2207   Ni,Fe-hydrogenase I large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Thermoproteus.966	-	ttn.49	ttn:TTX_0033   hynL; Ni,Fe-hydrogenase I large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Vulcanisaeta.2357	-	vdi.2227	vdi:Vdis_2308   nickel-dependent hydrogenase large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Thermofilum.880	-	tpe.576	tpe:Tpen_0592   nickel-dependent hydrogenase, large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Thermofilum.880	-	thb.827	thb:N186_04330   cytochrome B; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Thermofilum.880	-	tcb.1844	tcb:TCARB_1894   NiFe hydrogenase, large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336199	Archaea.8374	Crenarchaeota.1557	Thermofilum.880	-	thf.1139	thf:MA03_06640   cytochrome B; K06281 hydrogenase large subunit [EC:1.12.99.6]