# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.310711 Bacteria.438534 Proteobacteria.92120 Gammaproteobacteria.290742 Gammaproteobacteria___Enterobacteria.107627 bgj.4330 bgj:AWC36_22710 phosphonate ABC transporter substrate-binding protein; K02044 phosphonate transport system substrate-binding protein