# OC Root 2nd 3rd 4th PC Gene/Definition OC.40405 Archaea.18418 Euryarchaeota.18497 Haloquadratum.1711 hwa.485 hwa:HQ_1478A dppD2; ABC-type transport system ATP-binding protein (probable substrate dipeptide/oligopeptide); K02031 peptide/nickel transport system ATP-binding protein OC.40405 Archaea.18418 Euryarchaeota.18497 Haloquadratum.1711 hwc.519 hwc:Hqrw_1579 dppD2; ABC-type transport system ATP-binding protein (probable substrate dipeptide/oligopeptide); K02031 peptide/nickel transport system ATP-binding protein