# OC Root	2nd	3rd	4th	PC	Gene/Definition
OC.252501	Archaea.17109	Euryarchaeota.16593	Methanoculleus.1644	mem.1960	mem:Memar_2006   phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19]
OC.252501	Archaea.17109	Euryarchaeota.16593	Methanoculleus.1644	mbg.268	mbg:BN140_0259   hisI; phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19]
OC.252501	Archaea.17109	Euryarchaeota.16593	Methanoculleus.1644	mema.372	mema:MMAB1_0327   hisI; Phosphoribosyl-AMP cyclohydrolase; K01496 phosphoribosyl-AMP cyclohydrolase [EC:3.5.4.19]