# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.57330 Bacteria.302293 Proteobacteria.437202 Alphaproteobacteria.279581 Sinorhizobium.21306 Sinorhizobium_sp_.10799 six.4398 six:BSY16_5071 ABC transporter family protein; K01995 branched-chain amino acid transport system ATP-binding protein