GTP cyclohydrolase IIa activity

id: GO:0043740
name: GTP cyclohydrolase IIa activity
namespace: molecular_function
type: go
obsolete: False

Description: Catalysis of the reaction: GTP + 3 H(2)O = 2-amino-5-formylamino-6-(1-D-ribosylamino)pyrimidin-4(3H)-one 5'-phosphate + 3 H(+) + 2 phosphate.

Parent Functions