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Effect of chemical agents and metal ions on KerBAN stability.
| Chemical agents | Concentration (mM) | Residual activity (%)a |
|---|---|---|
| Control | – | 100 ± 4.36 |
| PMSF | 5 | 93 ± 5.81 |
| EDTA | 5 | 22 ± 1.72 |
| 1,10-Phenanthroline | 5 | 27 ± 7.12 |
| Fe2⁺ | 5 | 79 ± 1.44 |
| Co2⁺ | 5 | 89 ± 3.26 |
| Fe³⁺ | 5 | 93 ± 0.70 |
| K⁺ | 5 | 89 ± 4.54 |
| Ca2⁺ | 5 | 88 ± 3.65 |
| Mg2⁺ | 5 | 88 ± 1.47 |
| Cu2⁺ | 5 | 83 ± 9.92 |
| Zn2⁺ | 5 | 84 ± 2.31 |
| Na⁺ | 5 | 92 ± 4.77 |
| Ba2⁺ | 5 | 92 ± 0.53 |
| Al³⁺ | 5 | 82 ± 5.91 |
Each treatment value indicates the average and standard deviation of triplicate assays.
