# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.187476	Archaea.65361	Euryarchaeota.50393	Methanococcoides.1910	mbu.1068	mbu:Mbur_1218   Restriction modification system DNA specificity subunit; K01154 type I restriction enzyme, S subunit [EC:3.1.21.3]