# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.506122 Bacteria.90474 Proteobacteria.438842 Alphaproteobacteria.281956 Sphingobium.12021 Sphingobium_sp_.13634 spmi.2190 spmi:K663_10510 GntR family transcriptional regulator OC.506122 Bacteria.90474 Proteobacteria.438920 Alphaproteobacteria.282073 Sphingobium.12307 Sphingobium_sp_.14084 spmi.3482 spmi:K663_17606 GntR family transcriptional regulator