# OC Root 2nd 3rd 4th PC Gene/Definition OC.645662 Bacteria.265148 Proteobacteria.335453 Gammaproteobacteria.215663 mpur.1307 mpur:MARPU_06670 PhoU family transcriptional regulator; K02039 phosphate transport system protein OC.645662 Bacteria.265148 Proteobacteria.335453 Gammaproteobacteria.215663 mpur.3104 mpur:MARPU_16210 PhoU family transcriptional regulator; K02039 phosphate transport system protein