# OC Root 2nd 3rd 4th PC Gene/Definition OC.67225 Bacteria.564159 Proteobacteria.340225 Gammaproteobacteria.37535 gan.1060 gan:UMN179_01090 phosphate regulon sensor protein; K07636 two-component system, OmpR family, phosphate regulon sensor histidine kinase PhoR [EC:2.7.13.3]