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Kinetic parameters of Pnp1, bovine Pnp and Urh1
| Km | kcat | kcat/Km | |
|---|---|---|---|
| μm | s-1 | s-1m-1 | |
| Pnp1 | |||
| Inosine | 33.0 ± 5.2 | 3.8 ± 0.1 | 115,000 |
| NR | 1,020 ± 140 | 11. ± 0.6 | 11,000 |
| NaR | 3,000 ± 1,000 | 0.13 ± 0.02 | 40 |
| Bovine Pnp | |||
| Inosine | 51.0 ± 5.1 | 14 ± 3.8 | 275,000 |
| NR | 900 ± 100 | 31.2 ± 2.2 | 35,000 |
| NaR | 900 ± 230 | 4.4 ± 0.6 | 4,900 |
| Urh1 | |||
| Uridine | 1,600 ± 500 | 20.0 ± 4.4 | 125,000 |
| NR | 16.0 ± 2 | 23.4 ± 0.8 | 1,430,000 |
| NaR | 150.0 ± 40 | 1.8 ± 0.9 | 12,000 |
| MeNaR | 45.0 ± 15 | 2.3 ± 0.2 | 51,000 |
