# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.87939 Bacteria.612621 Actinobacteria.169145 Arthrobacter.19303 Arthrobacter_sp_.17646 arh.2211 arh:AHiyo8_21810 osmoprotectant uptake system A; K03762 MFS transporter, MHS family, proline/betaine transporter