# OC Root 2nd 3rd 4th PC Gene/Definition OC.309143 Archaea.66316 Euryarchaeota.51363 Methanoculleus.1420 mbg.2317 mbg:BN140_2461 cas3; CRISPR-associated helicase Cas3; K07012 CRISPR-associated endonuclease/helicase Cas3 [EC:3.1.-.- 3.6.4.-] OC.309143 Archaea.66316 Euryarchaeota.51363 Methanoculleus.1420 mema.3135 mema:MMAB1_3261 conserved protein of unknown function; K07012 CRISPR-associated endonuclease/helicase Cas3 [EC:3.1.-.- 3.6.4.-]