# OC Root 2nd 3rd 4th PC Gene/Definition OC.255358 Archaea.35450 Euryarchaeota.8877 Natrinema.885 nat.2682 nat:NJ7G_2752 UvrD/REP helicase; K03657 DNA helicase II / ATP-dependent DNA helicase PcrA [EC:3.6.4.12] OC.255358 Archaea.35450 Euryarchaeota.8877 Natrinema.885 npe.441 npe:Natpe_0402 DNA/RNA helicase, superfamily I; K03657 DNA helicase II / ATP-dependent DNA helicase PcrA [EC:3.6.4.12]