# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.57285 Bacteria.301918 Proteobacteria.50914 Alphaproteobacteria.295000 Sulfitobacter.4660 Sulfitobacter_sp_.4319 suam.4005 suam:BOO69_20715 ABC transporter ATP-binding protein; K01995 branched-chain amino acid transport system ATP-binding protein