# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.89934 Bacteria.464719 Proteobacteria.576359 Deltaproteobacteria.79717 Geobacter.10075 glo.783 glo:Glov_0716 Extracellular ligand-binding receptor; K01999 branched-chain amino acid transport system substrate-binding protein