# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.187459 Archaea.70090 Euryarchaeota.55277 Methanosarcina.6469 Methanosarcina_barkeri.4504 mby.1812 mby:MSBRM_1846 Type I restriction-modification system, specificity subunit S; K01154 type I restriction enzyme, S subunit [EC:3.1.21.3] OC.187459 Archaea.70090 Euryarchaeota.55277 Methanosarcina.6469 Methanosarcina_barkeri.4504 mbar.583 mbar:MSBR2_0564 Type I restriction-modification system, specificity subunit S; K01154 type I restriction enzyme, S subunit [EC:3.1.21.3]