Main Reaction: guanosine 5'-triphosphate >> 7,8-dihydroneopterin triphosphate

Reference: PubMed ID: 9250966
Authors: Werner ER, Wachter H, Werner-Felmayer G
Title: Determination of tetrahydrobiopterin biosynthetic activities by high-performance liquid chromatography with fluorescence detection.
Published: 1997

guanosine 5'-triphosphate --> 7,8-dihydroneopterin triphosphate