| UER00151 | 7,8-dihydroneopterin triphosphate from GTP: step 1/1~1 GTP + 1 H(2)O => 1 7,8-dihydroneopterin triphosphate + 1 formate. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UPA00848 | 7,8-dihydroneopterin triphosphate biosynthesis~Biosynthesis of dihydroneopterin triphosphate, the first committed intermediate in the biosynthetic pathways of tetrahydrofolate in plants and microorganisms and of tetrahydrobiopterin in animals. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UCR05046 | H(2)O + formamidopyrimidine nucleoside triphosphate = 2,5-diaminopyrimidine nucleoside triphosphate + formate | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UCR00428 | GTP + H(2)O = formamidopyrimidine nucleoside triphosphate | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | ULS00410 | 7,8-dihydroneopterin triphosphate from GTP | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UCR05048 | 2,5-diaminopyrimidine nucleoside triphosphate = 2,5-diamino-6-(5'-triphosphoryl-3',4'-trihydroxy-2'-oxopentyl)-amino-4-oxopyrimidine | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UCR04639 | 7,8-dihydroneopterin triphosphate + H(2)O = 2,5-diamino-6-(5'-triphosphoryl-3',4'-trihydroxy-2'-oxopentyl)-amino-4-oxopyrimidine | None - {{∅}} | None - {{∅}} | Unexplained |  |