# OC Root	2nd	3rd	4th	5th	PC	Gene/Definition
OC.187384	Archaea.65683	Euryarchaeota.50722	Methanococcus.2108	Methanococcus_maripaludis.1893	mmd.628	mmd:GYY_03175   restriction modification system DNA specificity domain-containing protein; K01154 type I restriction enzyme, S subunit [EC:3.1.21.3]