# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.80035 Bacteria.96262 Proteobacteria.434437 Alphaproteobacteria.276286 Sinorhizobium.11093 Sinorhizobium_fredii.5797 rhi.1822 rhi:NGR_b15040 ABC transporter permease; K11071 spermidine/putrescine transport system permease protein