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Reaction Details
Reaction:	1.0 + 1.0 → 1.0 + 1.0 + 1.0 + 1.0Pyrophosphate
	1.0Guanosine triphosphate + 1.0Water → 1.02,5-Diamino-6-hydroxy-4-(5-phosphoribosylamino)pyrimidine + 1.0Hydrogen ion + 1.0Formic acid + 1.0Pyrophosphate
Enzymes:	GTP cyclohydrolase 1
External Links:	Resource Link Pathwhiz Reaction ID: PW_R005545
References:	Not Available