Table 2. Rate Constants for Ru-Sensitizer Quenching (γ1), Heme Reduction (γ2), and Heme Oxidation (γ3) Extracted from Global Fitting of Transient Absorption Data.
enzyme | γ1 (s–1) | γ2 (s–1) | γ3 (s–1) |
---|---|---|---|
RuC97(CYP102A1)W96 | 1.6 × 107 | 3.6 × 104 | 1.1 × 102 |
RuC97(CYP102A1)W96H | 1.6 × 107 | 6.0 × 104 | 1.9 × 102 |
RuC77(CYP119)H76 | 1.9 × 107 | 5.7 × 104 | 1.4 × 102 |
RuC77(CYP119)H76W | 1.9 × 107 | 8.1 × 104 | 1.3 × 102 |