# OC Root	2nd	3rd	PC	Gene/Definition
OC.255360	Archaea.36256	Thaumarchaeota.1342	ncv.206	ncv:NCAV_0177   hisI; Phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19]