# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.56973 Bacteria.302041 Proteobacteria.521468 Betaproteobacteria.205079 Paraburkholderia.23528 bcai.683 bcai:K788_0000537 Branched-chain amino acid transport ATP-binding protein LivF; K01996 branched-chain amino acid transport system ATP-binding protein