# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.335217	Archaea.25400	Euryarchaeota.28119	Methanocella.1082	mpd.696	mpd:MCP_0617   4Fe-4S ferredoxin, iron-sulfur binding protein
OC.335217	Archaea.25400	Euryarchaeota.28119	Methanocella.1082	mez.2129	mez:Mtc_2234   4Fe-4S binding domain protein
OC.335217	Archaea.25400	Euryarchaeota.28119	Methanocella.1082	rci.2638	rci:RRC229   fdx4-2; 4(4Fe-4S) polyferredoxin