Table 3.
Deuterium Kinetic Isotope Effects for N-Acetylglycine Oxidationa
| Oxidizable Substrate | |||
|---|---|---|---|
| Parameter | N-Acetylglycine | [2H2]-N-Acetylglycine | DKIE |
| VMAX (s−1) | 28 ± 3.3 | 22 ± 1.3 | 1.3 ± 0.2 |
| VMAX/KO2 (mM−1 s−1) | 51 ± 7.0 | 19 ± 0.7 | 2.7 ± 0.4 |
| KI,AG (mM) | 17 ± 3.0 | 14 ± 0.7 | 1.2 ± 0.2 |
The deuterium isotope effects (DKIE) for each relevant kinetic parameter (± standard error) are included.