# OC Root	2nd	3rd	4th	5th	6th	PC	Gene/Definition
OC.459531	Bacteria.445568	Proteobacteria.125421	Betaproteobacteria.221524	Rubrivivax.4650	-	rge.2529	rge:RGE_25450   nifK; putative nitrogenase molybdenum-iron protein beta chain NifK; K02591 nitrogenase molybdenum-iron protein beta chain [EC:1.18.6.1]
OC.459531	Bacteria.445568	Proteobacteria.125421	Alphaproteobacteria.156307	Rhodopseudomonas.2044	-	rpa.2603	rpa:RPA2617   possible vanadium nitrogenase associated protein vnfN (U51863); K02591 nitrogenase molybdenum-iron protein beta chain [EC:1.18.6.1]
OC.459531	Bacteria.445568	Proteobacteria.125421	Alphaproteobacteria.156307	Rhodopseudomonas.2044	-	rpe.3138	rpe:RPE_3188   oxidoreductase/nitrogenase, component 1; K02591 nitrogenase molybdenum-iron protein beta chain [EC:1.18.6.1]
OC.459531	Bacteria.445568	Proteobacteria.125421	Alphaproteobacteria.156307	Rhodopseudomonas.2044	-	rpt.2828	rpt:Rpal_2888   oxidoreductase/nitrogenase component 1; K02591 nitrogenase molybdenum-iron protein beta chain [EC:1.18.6.1]
OC.459531	Bacteria.445568	Proteobacteria.125421	Alphaproteobacteria.156307	-	-	rva.3271	rva:Rvan_3558   oxidoreductase/nitrogenase component 1; K02591 nitrogenase molybdenum-iron protein beta chain [EC:1.18.6.1]
OC.459531	Bacteria.445568	Proteobacteria.125421	Alphaproteobacteria.156307	Rhodobacter.3308	Rhodobacter_sphaeroides.5404	rsq.867	rsq:Rsph17025_0772   Nitrogenase; K02591 nitrogenase molybdenum-iron protein beta chain [EC:1.18.6.1]
OC.459531	Bacteria.445568	Proteobacteria.125421	Alphaproteobacteria.156307	Rhodobacter.3308	-	rcp.2191	rcp:RCAP_rcc02234   oxidoreductase/nitrogenase, component 1; K02591 nitrogenase molybdenum-iron protein beta chain [EC:1.18.6.1]
OC.459531	Bacteria.445568	Firmicutes.55956	Firmicutes___Bacilli.177430	Paenibacillus.49350	-	psab.4129	psab:PSAB_21045   oxidoreductase/nitrogenase component 1; K02591 nitrogenase molybdenum-iron protein beta chain [EC:1.18.6.1]
OC.459531	Bacteria.445568	Firmicutes.55956	Firmicutes___Clostridia.53055	Clostridium.17716	-	ccb.3231	ccb:Clocel_3495   oxidoreductase/nitrogenase component 1; K02591 nitrogenase molybdenum-iron protein beta chain [EC:1.18.6.1]
OC.459531	Bacteria.445568	Firmicutes.55956	Firmicutes___Clostridia.53055	Clostridium.17716	Clostridium_pasteurianum.5264	cpas.3525	cpas:Clopa_4134   nitrogenase molybdenum-iron protein, alpha and beta chains; K02591 nitrogenase molybdenum-iron protein beta chain [EC:1.18.6.1]
OC.459531	Bacteria.445568	Firmicutes.55956	Firmicutes___Clostridia.53055	Clostridium.17716	-	ctyk.1487	ctyk:CTK_C15930   nitrogenase molybdenum-iron protein beta chain; K02591 nitrogenase molybdenum-iron protein beta chain [EC:1.18.6.1]
OC.459531	Bacteria.445568	Spirochaetes.24398	Treponema.3076	-	-	taz.1585	taz:TREAZ_1719   NifK1; K02591 nitrogenase molybdenum-iron protein beta chain [EC:1.18.6.1]
OC.459531	Bacteria.445568	Spirochaetes.24398	Treponema.3076	-	-	tpi.339	tpi:TREPR_0246   oxidoreductase/nitrogenase, component 1; K02591 nitrogenase molybdenum-iron protein beta chain [EC:1.18.6.1]