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. 2017 Jun 19;5:41. doi: 10.3389/fchem.2017.00041

Table 4.

Inhibition of the pyrophosphorolysis activity with the different nucleotides.

I0.5 (mM)
ATP-Mg 3.1 ± 0.3
ITP-Mg 11.1 ± 0.3
UTP-Mg 12.7 ± 0.6
CTP-Mg 16.4 ± 0.5
GTP-Mg 22.2 ± 0.7