# OC Root 2nd 3rd 4th PC Gene/Definition OC.187092 Bacteria.185154 Cyanobacteria.39978 Cyanobacterium.5919 cyl.2835 cyl:AA637_15585 type I site-specific restriction-modification system specificity subunit; K01154 type I restriction enzyme, S subunit [EC:3.1.21.3]