# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.342339	Archaea.31098	Euryarchaeota.35126	Natronomonas.3877	nph.2679	nph:NP_6166A   nrdB1; ribonucleoside-diphosphate reductase beta subunit; K00526 ribonucleoside-diphosphate reductase beta chain [EC:1.17.4.1]