Table 5. Effect of Metal Ions on PaPPO Activitya.
relative
activity (%) |
||
---|---|---|
salt | 1 mM | 10 mM |
MgSO4 | 102 ± 1.7 | 107 ± 1.8 |
FeSO4 | 50 ± 2.6 | 34 ± 1.9 |
ZnSO4 | 104 ± 1.8 | 108 ± 1.9 |
CuSO4 | 108 ± 1.5 | 134 ± 1.1 |
KCl | 87 ± 1.4 | 45 ± 2.8 |
NaCl | 94 ± 1.5 | 56 ± 1.2 |
CaCl2 | 78 ± 2.5 | 23 ± 1.4 |
MnCl2 | 85 ± 0.99 | 23 ± 1.3 |
NiCl2 | 84 ± 2.3 | 15 ± 1.4 |
AlCl3 | 80 ± 2.0 | 3.67 ± 0.31 |
All measurements were performed in triplicate. Data is presented as mean ± standard deviation.