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Kinetic parameters of various substrates
| Substrates | k2(min−1) | KM (nM) | k2/KM (min−1M−1) |
| Swt | 0.34 ± 0.03 | 7.7 ± 2.9 | 4.4 × 107 |
| SC−1U | 0.14 ± 0.01 | 2.3 ± 0.8 | 5.9 × 107 |
| SC−1s4U | 0.38 ± 0.03 | 7.9 ± 3.2 | 4.8 × 107 |
| S+4s4U | 0.25 ± 0.02 | 7.6 ± 3.5 | 3.3 × 107 |
| S+8s4U | 0.35 ± 0.02 | 5.7 ± 1.6 | 6.2 × 107 |
