# OC Root 2nd 3rd 4th PC Gene/Definition OC.187152 Bacteria.793520 Deinococcus_Thermus.15197 Meiothermus.4722 mtai.2858 mtai:Mtai_v1c29740 hsdS; type I restriction enzyme, S subunit; K01154 type I restriction enzyme, S subunit [EC:3.1.21.3]