# OC Root 2nd 3rd 4th PC Gene/Definition OC.40648 Bacteria.24142 Proteobacteria.192721 Alphaproteobacteria.65599 pphr.1649 pphr:APZ00_08525 dipeptide/oligopeptide/nickel ABC transporter ATP-binding protein; K02031 peptide/nickel transport system ATP-binding protein