# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.566673 Bacteria.208922 Firmicutes.7592 Firmicutes___Clostridia.75874 Hungateiclostridium.4112 ccl.1544 ccl:Clocl_1766 chromate transport protein ChrA; K07240 chromate transporter