# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.566662 Bacteria.208957 Firmicutes.124750 Firmicutes___Clostridia.57849 Thermodesulfobium.1781 tnr.906 tnr:Thena_0945 chromate transporter, chromate ion transporter (CHR) family; K07240 chromate transporter