# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.56983 Bacteria.301797 Proteobacteria.366061 Alphaproteobacteria.178865 Agrobacterium.20691 ara.6128 ara:Arad_9355 braG; amino acid ABC transporter; K01996 branched-chain amino acid transport system ATP-binding protein