# OC Root	2nd	3rd	PC	Gene/Definition
OC.252498	Archaea.15263	Euryarchaeota.13507	pto.1317	pto:PTO1331   phosphoribosyl-AMP cyclohydrolase/phosphoribosyl-ATP pyrophosphohydrolase; K11755 phosphoribosyl-ATP pyrophosphohydrolase / phosphoribosyl-AMP cyclohydrolase [EC:3.6.1.31 3.5.4.19]