Table II.
ligase | substrate | Km (μM) | kcat (min−1) | relative kcat | kcat/Km (M−1·s−1) |
---|---|---|---|---|---|
I | nick | 1.6 ± 0.2 | 6.6 ± 0.2 | 100 | 69,000 |
I | dsb | 0 ± 0.0 | 0 ± 0.0 | 0 | n/a |
IIIα | nick | 1.3 ± 0.2 | 5.5 ± 0.3 | 83 | 71,000 |
IIIα | dsb | 1.2 ± 0.2 | 1.4 ± 0.1 | 21 | 20,000 |
IIIβ | nick | 1.4 ± 0.3 | 4.9 ± 0.4 | 74 | 58,000 |
IIIβ | dsb | 2.9 ± 0.5 | 1.2 ± 0.1 | 18 | 7,000 |
IV | nick | n/a | 0.2 ± 0.1 | 3 | n/a |
IV | dsb | n/a | 0.3 ± 0.1 | 5 | n/a |