R522


H<sub>2</sub>O
H2O
GTP
GTP
7,8-dihydroneopterin 3
7,8-dihydroneopterin 3'-triphosphate
formate
formate
H<SUP>+</SUP>
H+




Databases
MetaCyc:  GTP-CYCLOHYDRO-I-RXN
RHEA:  17476
KEGG:  R00424
BiGG:  GTPCI