Effects of metal ions on the ABTS oxidation activities of HeLac4c.
Metal salt | Concentration (mM) | Relative activity (%) |
---|---|---|
None | – | 100 |
Na2SO4 | 5 | 125 |
10 | 165 | |
K2SO4 | 5 | 120 |
10 | 125 | |
MgSO4 | 5 | 115 |
10 | 120 | |
FeSO4 | 5 | 5 |
10 | −1 | |
ZnSO4 | 5 | 110 |
10 | 105 | |
AlK(SO4)2 | 5 | 60 |
10 | 60 | |
CrK(SO4)2 | 5 | 145 |
10 | 100 | |
CuSO4 | 5 | 150 |
10 | 150 |