# OC Root 2nd 3rd 4th PC Gene/Definition OC.40400 Archaea.32976 Euryarchaeota.3826 Haloquadratum.1710 hwa.484 hwa:HQ_1477A dppF2; ABC-type transport system ATP-binding protein (probable substrate dipeptide/oligopeptide); K02032 peptide/nickel transport system ATP-binding protein OC.40400 Archaea.32976 Euryarchaeota.3826 Haloquadratum.1710 hwc.518 hwc:Hqrw_1578 dppF2; ABC-type transport system ATP-binding protein (probable substrate dipeptide/oligopeptide); K02032 peptide/nickel transport system ATP-binding protein