# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.256500 Bacteria.101077 Proteobacteria.633246 Epsilonproteobacteria.19385 Helicobacter.9568 hbi.1745 hbi:HBZC1_17960 Replicative DNA helicase; K02314 replicative DNA helicase [EC:3.6.4.12]