# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.639101	Archaea.28587	Euryarchaeota.32317	Methanoregula.3448	mfo.2508	mfo:Metfor_2731   CRISPR-associated endoribonuclease Cas2; K09951 CRISPR-associated protein Cas2