| Name | GTP cyclohydrolase I activity |
| ID | GO_0003934 |
| collection_id | Molecular function |
| Description | Catalysis of the reaction: GTP + H2O = 7,8-dihydroneopterin 3'-triphosphate + formate + H+. |
| Related synonym | GTP 7,8-8,9-dihydrolase activity, GTP 8-formylhydrolase activity, dihydroneopterin triphosphate synthase activity, guanosine triphosphate 8-deformylase activity, guanosine triphosphate cyclohydrolase activity |
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| Genes |