# OC Root 2nd 3rd 4th PC Gene/Definition OC.40461 Archaea.41188 Crenarchaeota.1241 Ignicoccus.316 iho.1324 iho:Igni_1338 oligopeptide/dipeptide ABC transporter, ATPase subunit; K02031 peptide/nickel transport system ATP-binding protein OC.40461 Archaea.41188 Crenarchaeota.1241 Ignicoccus.316 iis.901 iis:EYM_04835 peptide ABC transporter ATPase; K02031 peptide/nickel transport system ATP-binding protein