Table 2.
Analogue | Km(μM) | kcat(s−1) | kcat/Km(M−1·s−1) | Ki(μM) |
---|---|---|---|---|
Duroquinone | 143 ± 18 | 0.27 ± 0.01 | 1900 ± 140 | |
Menadione | 25 ± 3 | 0.28 ± 0.01 | 11000 ± 770 | 306 ± 34 |
CoQ1 | 124 ± 19 | 0.19 ± 0.01 | 1500 ± 130 |
Reaction conditions: 50 mM HEPES pH 7.5, 4 mM o-AB, 200 nM PRODH2 157–515, 0–400 μM ubiquinone analogue, 600 mM Hyp.