# OC Root 2nd 3rd 4th PC Gene/Definition OC.40404 Archaea.32977 Euryarchaeota.3824 Natronomonas.2857 nph.450 nph:NP_0766A dppF1; ABC-type transport system ATP-binding protein (probable substrate dipeptide/oligopeptide); K02032 peptide/nickel transport system ATP-binding protein OC.40409 Archaea.18423 Euryarchaeota.18501 Natronomonas.2856 nph.449 nph:NP_0764A dppD1; ABC-type transport system ATP-binding protein (probable substrate dipeptide/oligopeptide); K02031 peptide/nickel transport system ATP-binding protein OC.40410 Archaea.18417 Euryarchaeota.18496 Natronomonas.1711 nmo.496 nmo:Nmlp_1480 dppD; ABC-type transport system ATP-binding protein (probable substrate dipeptide/oligopeptide); K02031 peptide/nickel transport system ATP-binding protein