Table 3. Rapid reaction kinetics for wild-type, R472Q and R472M SO.
Stopped flow analysis was carried out anaerobically as described in Experimental Procedures
kred(s−1) | Kdsulfite(μM) | |
---|---|---|
pH 8.5 | ||
Wild type | 82.8 | 6.72 |
R472Q | 71.2 | 227 |
R472M | 38.9 | 73.4 |
pH 7.0 | ||
Wild type | 70.2 | 2.05 |
R472Q | 83.4 | 14.5 |
R472M | 39.0 | 3.23 |