# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.455370 Bacteria.306420 Proteobacteria.741503 Gammaproteobacteria.363527 Pseudomonas.74661 ppz.1760 ppz:H045_08820 nhaA; pH-dependent sodium/proton antiporter; K03313 Na+:H+ antiporter, NhaA family