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Reaction Details
Reaction:	1.0 + 1.0 → 1.0 + 1.02-amino-4-hydroxy-6-(erythro-1,2,3-trihydroxypropyl)-dihydropteridine triphosphate
	1.0Guanosine triphosphate + 1.0Water → 1.0Formic acid + 1.02-amino-4-hydroxy-6-(erythro-1,2,3-trihydroxypropyl)-dihydropteridine triphosphate
Enzymes:	GTP cyclohydrolase 1
External Links:	Resource Link
References:	Uniprot Consortium (2012). "Reorganizing the protein space at the Universal Protein Resource (UniProt)." Nucleic Acids Res 40:D71-D75. Pubmed: 22102590