# OC Root 2nd 3rd 4th PC Gene/Definition OC.1227039 Archaea.91865 Thaumarchaeota.4945 Nitrososphaera.301 nvn.2883 nvn:NVIE_030200 hypothetical protein OC.1227039 Archaea.91865 Thaumarchaeota.4945 Nitrososphaera.301 nev.1282 nev:NTE_01301 hypothetical protein