# OC Root 2nd 3rd 4th PC Gene/Definition OC.56831 Bacteria.429833 Proteobacteria.71891 Gammaproteobacteria.205652 csa.1413 csa:Csal_1422 amino acid/amide ABC transporter ATP-binding protein 1, HAAT family; K01995 branched-chain amino acid transport system ATP-binding protein