# OC Root 2nd 3rd PC Gene/Definition OC.309123 Archaea.37755 Thaumarchaeota.3877 csy.12 csy:CENSYa_0142 helicase; K07012 CRISPR-associated endonuclease/helicase Cas3 [EC:3.1.-.- 3.6.4.-] OC.309123 Archaea.37755 Thaumarchaeota.3877 csy.12 csy:CENSYa_0147 helicase