# OC Root	2nd	3rd	4th	5th	PC	Gene/Definition
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanococcus.769	Methanococcus_maripaludis.1692	mmp.860	mmp:MMP0860   nifX; Nitrogen fixation-related protein
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanococcus.769	Methanococcus_maripaludis.1692	mmq.664	mmq:MmarC5_0665   Dinitrogenase iron-molybdenum cofactor biosynthesis
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanococcus.769	Methanococcus_maripaludis.1692	mmx.1770	mmx:MmarC6_1796   Dinitrogenase iron-molybdenum cofactor biosynthesis protein
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanococcus.769	Methanococcus_maripaludis.1692	mmz.111	mmz:MmarC7_0105   Dinitrogenase iron-molybdenum cofactor biosynthesis protein
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanococcus.769	Methanococcus_maripaludis.1692	mmd.974	mmd:GYY_04995   nitrogen fixation-like protein
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanococcus.769	-	mvn.75	mvn:Mevan_0058   Dinitrogenase iron-molybdenum cofactor biosynthesis protein
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanothermobacter.1966	-	mmg.152	mmg:MTBMA_c01530   nifX; nitrogenase iron-molybdenum cofactor biosynthesis protein NifX
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanobacterium.2578	-	mel.2288	mel:Metbo_2411   Dinitrogenase iron-molybdenum cofactor biosynthesis protein
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanobacterium.2578	-	mew.1905	mew:MSWAN_2007   Dinitrogenase iron-molybdenum cofactor biosynthesis protein
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanobacterium.2578	Methanobacterium_sp_.223	meth.134	meth:MBMB1_0123   hypothetical protein
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanobacterium.2667	Methanobacterium_sp_.231	meth.142	meth:MBMB1_0131   hypothetical protein
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanobacterium.2578	Methanobacterium_formicicum.883	mfc.191	mfc:BRM9_0191   dinitrogenase iron-molybdenum cofactor biosynthesis protein
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanobacterium.2667	Methanobacterium_formicicum.971	mfc.199	mfc:BRM9_0199   dinitrogenase iron-molybdenum cofactor biosynthesis protein
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanobacterium.2578	Methanobacterium_formicicum.883	mfi.1464	mfi:DSM1535_1507   hypothetical protein
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanobacterium.2667	Methanobacterium_formicicum.971	mfi.1472	mfi:DSM1535_1515   hypothetical protein
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanobacterium.4053	-	mcub.1829	mcub:MCBB_1934   Dinitrogenase iron-molybdenum cofactor biosynthesis protein {ECO:0000313|EMBL:ABX02607,1}
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanobacterium.2667	-	msub.1974	msub:BK009_10395   nitrogen fixation protein
OC.1185560	Archaea.23247	Euryarchaeota.25210	Methanobacterium.2667	Methanobacterium_sp_.3098	metn.1142	metn:BK008_06025   nitrogen fixation protein