# OC Root 2nd 3rd 4th PC Gene/Definition OC.40404 Archaea.32977 Euryarchaeota.3824 Halorhabdus.3508 hut.1808 hut:Huta_1846 oligopeptide/dipeptide ABC transporter, ATPase subunit; K02032 peptide/nickel transport system ATP-binding protein