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Reaction Details
Reaction:	1.0 + 1.0 ↔ 1.0
	1.0Dihydroneopterin triphosphate + 1.0Water ↔ 1.02,5-Diamino-6-(5'-triphosphoryl-3',4'-trihydroxy-2'-oxopentyl)-amino-4-oxopyrimidine
Enzymes:	GTP cyclohydrolase 1
External Links:	Resource Link Kegg Reaction ID: R04639
References:	Not Available