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Catalytic parameters Km(μM), kcat(s−1) and specificity constant (M−1s−1) of Leishmania major dUTPase for different nucleoside triphosphates and UTP
| Substrate | Km | kcat | kcat/Km |
| dUTP | 2.11 | 49 | 2.3 × 107 |
| dATP | 1034 | 5.4 | 5.1 × 103 |
| dTTP | 1514 | 8.6 | 5.5 × 103 |
| dGTP | > 2000 | 6.4 | 6.4 × 103 |
| dCTP | > 2500 | 13 | 5.0 × 103 |
| UTP | > 2500 | <0.5 | < 2 × 103 |
