# OC Root 2nd 3rd PC Gene/Definition OC.255358 Archaea.35450 Euryarchaeota.8877 hbo.2694 hbo:Hbor_27770 ATP-dependent DNA helicase, Rep family; K03657 DNA helicase II / ATP-dependent DNA helicase PcrA [EC:3.6.4.12] OC.255358 Archaea.35450 Euryarchaeota.8878 hbo.3652 hbo:Hbor_37910 DNA/RNA helicase, superfamily I