# OC Root 2nd 3rd 4th PC Gene/Definition OC.59197 Bacteria.27295 Proteobacteria.137048 Betaproteobacteria.109681 har.86 har:HEAR0051 Putative Two-component system regulatory protein OC.59197 Bacteria.27295 Proteobacteria.137048 Betaproteobacteria.109681 har.2725 har:HEAR2928 putative Two-component system regulatory protein