3.6.1.40 0.023 - guanosine 5'-triphosphate,3'-diphosphate - 209848 3.6.1.40 0.044 - guanosine 5'-triphosphate 3'-diphosphate at pH 7.4 and 37°C 756714 3.6.1.40 1.1 - Polyphosphate - 209848 3.6.1.40 14.406 - guanosine 5'-triphosphate 3'-diphosphate at pH 7.4 and 37°C 756714