# OC Root 2nd 3rd PC Gene/Definition OC.40475 Archaea.32912 Euryarchaeota.3815 hmu.255 hmu:Hmuk_0218 oligopeptide/dipeptide ABC transporter, ATPase subunit; K02031 peptide/nickel transport system ATP-binding protein; K02032 peptide/nickel transport system ATP-binding protein