# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.457493 Archaea.21635 Euryarchaeota.22883 Methanosarcina.7867 Methanosarcina_mazei.4420 mmj.768 mmj:MSMAS_0750 CRISPR-associated helicase Cas3; K07012 CRISPR-associated endonuclease/helicase Cas3 [EC:3.1.-.- 3.6.4.-]