# OC Root	2nd	3rd	4th	5th	PC	Gene/Definition
OC.187209	Bacteria.185063	Proteobacteria.125765	Betaproteobacteria.213657	Polynucleobacter.3551	pnu.1125	pnu:Pnuc_1132   restriction modification system DNA specificity domain protein; K01154 type I restriction enzyme, S subunit [EC:3.1.21.3]