# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.1271583 Bacteria.183485 Proteobacteria.68671 Alphaproteobacteria.123234 Sphingobium.11830 Sphingobium_sp_.13119 spmi.602 spmi:K663_02475 regulatory protein TetR OC.1271583 Bacteria.183485 Proteobacteria.68670 Alphaproteobacteria.282096 Sphingobium.12357 Sphingobium_sp_.14134 spmi.3532 spmi:K663_17916 TetR family transcriptional regulator