Table 1.
Pressure (bar) | [POR]a(μm) | k obs hydride (s−1) | k obs proton (s−1) | ||
---|---|---|---|---|---|
H | D | H | D | ||
1 | 50 | 2.26 ± 0.21 × 106 | 1.01 ± 0.12 × 106 | 2.39 ± 0.18 × 104 | 1.10 ± 0.05 × 104 |
250 | 52 | 2.11 ± 0.18 × 106 | 1.03 ± 0.13 × 106 | 2.31 ± 0.23 × 104 | 0.96 ± 0.08 × 104 |
500 | 60 | 2.12 ± 0.17 × 106 | 0.99 ± 0.17 × 106 | 2.11 ± 0.21 × 104 | 0.93 ± 0.07 × 104 |
750 | 70 | 2.05 ± 0.12 × 106 | 0.99 ± 0.12 × 106 | 2.10 ± 0.10 × 104 | 0.91 ± 0.14 × 104 |
1000 | 85 | 2.01 ± 0.20 × 106 | 1.02 ± 0.06 × 106 | 2.02 ± 0.08 × 104 | 0.90 ± 0.11 × 104 |
1250 | 110 | 1.80 ± 0.12 × 106 | 1.11 ± 0.21 × 106 | 1.89 ± 0.09 × 104 | 0.86 ± 0.11 × 104 |
1500 | 156 | 1.99 ± 0.25 × 106 | 1.14 ± 0.17 × 106 | 1.71 ± 0.12 × 104 | 0.81 ± 0.09 × 104 |
1750 | 200 | 1.85 ± 0.20 × 106 | 1.29 ± 0.26 × 106 | 1.55 ± 0.17 × 104 | 0.83 ± 0.10 × 104 |
2000 | 260 | 2.02 ± 0.15 × 106 | 1.56 ± 0.31 × 106 | 1.36 ± 0.26 × 104 | 0.99 ± 0.12 × 104 |
The enzyme concentration used to maintain a saturated ternary complex (see Fig. 3).