# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.187472 Archaea.69866 Euryarchaeota.55050 Methanosarcina.6033 - mac.2285 mac:MA_2415 hsdS; type I restriction modification enzyme protein S; K01154 type I restriction enzyme, S subunit [EC:3.1.21.3] OC.187472 Archaea.69866 Euryarchaeota.55050 Methanosarcina.6033 Methanosarcina_sp_.6694 meq.1284 meq:MSWHS_1296 Type I restriction-modification system, specificity subunit S; K01154 type I restriction enzyme, S subunit [EC:3.1.21.3]