# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.645663 Bacteria.265181 Proteobacteria.229223 Betaproteobacteria.197847 Nitrosomonas.6211 nco.2351 nco:AAW31_15245 hypothetical protein; K02039 phosphate transport system protein OC.645670 Bacteria.265169 Proteobacteria.535747 Betaproteobacteria.231428 - app.1646 app:CAP2UW1_1748 phosphate uptake regulator, PhoU