# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.637658 Bacteria.256649 Proteobacteria.446909 Alphaproteobacteria.294896 Sulfitobacter.3824 Sulfitobacter_sp_.3320 suam.2584 suam:BOO69_13305 hypothetical protein; K03719 Lrp/AsnC family transcriptional regulator, leucine-responsive regulatory protein