# OC Root	2nd	3rd	4th	5th	PC	Gene/Definition
OC.187482	Archaea.65698	Euryarchaeota.50738	Methanococcus.2132	Methanococcus_maripaludis.1928	mmd.873	mmd:GYY_04445   restriction modification system DNA specificity domain protein; K01154 type I restriction enzyme, S subunit [EC:3.1.21.3]