# OC Root	2nd	3rd	4th	5th	PC	Gene/Definition
OC.336226	Archaea.11595	Crenarchaeota.673	Sulfolobus.4437	Sulfolobus_islandicus.4095	sih.889	sih:SiH_0910   nickel-dependent hydrogenase, large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336226	Archaea.11595	Crenarchaeota.673	Sulfolobus.4437	-	sula.66	sula:BFU36_00230   cytochrome B; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336226	Archaea.11595	Crenarchaeota.673	Metallosphaera.2747	-	mse.922	mse:Msed_0923   nickel-dependent hydrogenase, large subunit
OC.336226	Archaea.11595	Crenarchaeota.673	Acidianus.1245	-	aman.888	aman:B6F84_04425   cytochrome B; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336226	Archaea.11595	Crenarchaeota.673	Acidianus.1245	-	abri.2493	abri:DFR85_14110   cytochrome B; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336227	Archaea.16000	Euryarchaeota.14939	-	-	fpl.1542	fpl:Ferp_1615   nickel-dependent hydrogenase large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336227	Archaea.16000	Euryarchaeota.14939	Geoglobus.532	-	gac.692	gac:GACE_0715   hydrogenase (NiFe) large subunit; K14068 methanophenazine hydrogenase, large subunit [EC:1.12.98.3]
OC.336227	Archaea.16000	Euryarchaeota.14939	Geoglobus.532	-	gac.1649	gac:GACE_1725   hydrogenase (NiFe) large subunit
OC.336227	Archaea.16000	Euryarchaeota.14939	Geoglobus.532	-	gah.869	gah:GAH_00910   Ni,Fe-hydrogenase I large subunit
OC.336227	Archaea.16000	Euryarchaeota.14939	Geoglobus.532	-	gah.1935	gah:GAH_02042   methanophenazine-reducing hydrogenase, large subunit; K14068 methanophenazine hydrogenase, large subunit [EC:1.12.98.3]
OC.336227	Archaea.16000	Euryarchaeota.14939	Halodesulfurarchaeum.1547	-	halh.639	halh:HTSR_0657   Ni/Fe-hydrogenase large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336227	Archaea.16000	Euryarchaeota.14939	Halodesulfurarchaeum.1547	-	hhsr.670	hhsr:HSR6_0683   Ni/Fe-hydrogenase large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336227	Archaea.16000	Euryarchaeota.14939	-	-	nge.2033	nge:Natgr_2159   Ni,Fe-hydrogenase I large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336227	Archaea.16000	Euryarchaeota.14939	Natronolimnobius.2702	-	nag.3690	nag:AArcMg_4185   Ni,Fe-hydrogenase I large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]
OC.336227	Archaea.16000	Euryarchaeota.14939	Natronolimnobius.2702	-	nan.3655	nan:AArc1_5124   Ni,Fe-hydrogenase I large subunit; K06281 hydrogenase large subunit [EC:1.12.99.6]