# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.187477 Archaea.65799 Euryarchaeota.50839 Methanococcus.2312 Methanococcus_maripaludis.2170 mmx.50 mmx:MmarC6_0041 restriction modification system DNA specificity domain; K01154 type I restriction enzyme, S subunit [EC:3.1.21.3]