# OC Root 2nd 3rd PC Gene/Definition OC.309159 Archaea.16887 Euryarchaeota.16257 harc.554 harc:HARCEL1_02690 CRISPR-associated endonuclease Cas3''; K07012 CRISPR-associated endonuclease/helicase Cas3 [EC:3.1.-.- 3.6.4.-]