# OC Root 2nd 3rd 4th PC Gene/Definition OC.309159 Archaea.16887 Euryarchaeota.16257 Haloferax.5460 hvo.3139 hvo:HVO_A0209 cas3; CRISPR-associated nuclease/helicase Cas3; K07475 CRISPR-associated endonuclease Cas3-HD [EC:3.1.-.-] OC.309159 Archaea.16887 Euryarchaeota.16257 Haloferax.4879 hme.3646 hme:HFX_6318 cas3; CRISPR-associated Cas3 family protein; K07012 CRISPR-associated endonuclease/helicase Cas3 [EC:3.1.-.- 3.6.4.-]