# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.1175904	Archaea.1459	Thaumarchaeota.650	Nitrososphaera.2506	nga.1559	nga:Ngar_c16390   hypothetical protein
OC.1175904	Archaea.1459	Thaumarchaeota.650	Nitrososphaera.2506	nvn.1908	nvn:NVIE_019760   Transcriptional regulator, AsnC family