# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.566646 Bacteria.1058728 Proteobacteria.520833 Betaproteobacteria.204349 Paraburkholderia.22607 Paraburkholderia_xenovorans.8100 bxb.4783 bxb:DR64_5412 chromate transporter family protein; K07240 chromate transporter