# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.73612 Bacteria.31122 Proteobacteria.292541 Epsilonproteobacteria.313 Helicobacter.5126 hms.258 hms:HMU02590 two-component response regulator; K02483 two-component system, OmpR family, response regulator OC.73612 Bacteria.31122 Proteobacteria.292541 Epsilonproteobacteria.313 Helicobacter.5126 hbl.1016 hbl:XJ32_05855 chemotaxis protein CheY; K02483 two-component system, OmpR family, response regulator OC.73612 Bacteria.31122 Proteobacteria.292541 Epsilonproteobacteria.313 Helicobacter.5126 had.221 had:CDV25_01080 DNA-binding response regulator; K02483 two-component system, OmpR family, response regulator