# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.57010 Bacteria.301864 Proteobacteria.563963 Deltaproteobacteria.60869 Bdellovibrio.5019 bex.1267 bex:A11Q_2128 branched-chain amino acid transport system ATP-binding protein; K01996 branched-chain amino acid transport system ATP-binding protein