# OC Root 2nd 3rd 4th PC Gene/Definition OC.40666 Bacteria.23918 Proteobacteria.644710 Gammaproteobacteria.155760 mah.3787 mah:MEALZ_4016 dipeptide transporter; ATP-binding component of ABC superfamily (modular protein); K02031 peptide/nickel transport system ATP-binding protein; K02032 peptide/nickel transport system ATP-binding protein