# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.56857 Bacteria.301879 Proteobacteria.486158 Betaproteobacteria.137564 Advenella.4469 amim.1419 amim:MIM_c13940 high-affinity branched-chain amino acid transport ATP-binding protein; K01996 branched-chain amino acid transport system ATP-binding protein