3.6.1.28 ATP + H2O - Rattus norvegicus ADP + phosphate - ? 92967 3.6.1.28 ATP + H2O no activity Bos taurus ADP + phosphate - ? 92967 3.6.1.28 ATP + H2O no activity with enzyme from brain and liver Rattus norvegicus ADP + phosphate - ? 92967 3.6.1.28 ATP + H2O 4% of the activity with thiamine triphosphate Rattus norvegicus ADP + phosphate - ? 92967 3.6.1.28 ATP + H2O the catalytic efficiency is about 4 orders of magnitude lower than for thiamine triphosphate Homo sapiens ADP + phosphate - ? 92967 3.6.1.28 CTP + H2O - Rattus norvegicus CDP + phosphate - ? 93269 3.6.1.28 CTP + H2O no activity Bos taurus CDP + phosphate - ? 93269 3.6.1.28 CTP + H2O at 13% of the activity with thiamine triphosphate Rattus norvegicus CDP + phosphate - ? 93269 3.6.1.28 CTP + H2O 18% of the activity with thiamine triphosphate with liver enzyme, no activity with brain enzyme Rattus norvegicus CDP + phosphate - ? 93269 3.6.1.28 GTP + H2O - Rattus norvegicus GDP + phosphate - ? 73741