ID 3.6.1.67 DE dihydroneopterin triphosphate diphosphatase. AN dihydroneopterin triphosphate pyrophosphohydrolase. CA 7,8-dihydroneopterin 3'-triphosphate + H2O = 7,8-dihydroneopterin CA 3'-phosphate + diphosphate + H(+). CC -!- The enzyme participates in a folate biosynthesis pathway, which is CC found in bacteria, fungi, and plants. CC -!- Formerly EC 3.6.1.n4. DR P0AFC1, NUDB_ECO57 ; P0AFC0, NUDB_ECOLI ; P44635, NUDB_HAEIN ; DR P0AFC2, NUDB_SHIFL ; Q9CA40, NUDT1_ARATH; //