# OC Root	2nd	3rd	4th	5th	PC	Gene/Definition
OC.411055	Archaea.27603	Euryarchaeota.30934	Methanosarcina.6296	Methanosarcina_barkeri.2152	mba.2985	mba:Mbar_A3119   CRISPR-associated exonuclease, Cas4 family / CRISPR-associated protein, Cas1 family; K15342 CRISP-associated protein Cas1
OC.411055	Archaea.27603	Euryarchaeota.30934	Methanosarcina.6296	Methanosarcina_barkeri.2152	mbw.1616	mbw:MSBRW_1618   CRISPR-associated RecB family exonuclease Cas4b; K15342 CRISP-associated protein Cas1
OC.411055	Archaea.27603	Euryarchaeota.30934	Methanosaeta.3182	-	mhi.1615	mhi:Mhar_1703   CRISPR-associated exonuclease, Cas4 family / CRISPR-associated protein, Cas1 family; K15342 CRISP-associated protein Cas1
OC.411055	Archaea.27603	Euryarchaeota.30934	Methanoculleus.1425	-	mbg.2321	mbg:BN140_2465   cas1-2; CRISPR/Cas system-associated protein Cas1; K15342 CRISP-associated protein Cas1
OC.411055	Archaea.27603	Euryarchaeota.30934	Methanoculleus.1425	-	mema.3139	mema:MMAB1_3265   cas4-cas; CRISPR-associated protein Cas4/endonuclease Cas1 fusion; K15342 CRISP-associated protein Cas1