label: 2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)-pyrimidine + formate + 2 phosphate + 3 H(+) => GTP + 4 H2O
label_lc: 2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)-pyrimidine + formate + 2 phosphate + 3 h(+) => gtp + 4 h2o