# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.661240 Bacteria.365419 Proteobacteria.112338 Alphaproteobacteria.145737 Neorhizobium.5336 Neorhizobium_galegae.5268 ngg.994 ngg:RG540_CH09770 Hypothetical protein OC.661240 Bacteria.365419 Proteobacteria.112338 Alphaproteobacteria.145737 Sphingobium.9683 Sphingobium_sp_.8503 sphr.2641 sphr:BSY17_3430 hypothetical protein OC.661240 Bacteria.365419 Proteobacteria.112338 Alphaproteobacteria.297725 Thalassospira.5928 - tii.3999 tii:DY252_21025 hypothetical protein