# OC Root 2nd 3rd 4th PC Gene/Definition OC.309125 Archaea.64339 Euryarchaeota.49337 Methanocella.2489 mez.1149 mez:Mtc_1193 cas3; CRISPR-associated helicase Cas3; K07012 CRISPR-associated endonuclease/helicase Cas3 [EC:3.1.-.- 3.6.4.-]