Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The effects of different metal ions on enzyme activity.
| Metal ion | Relative activity (%) | |
|---|---|---|
| 1 mM | 10 mM | |
| Control | 100±2.5 | 100±2.5 |
| K+ | 105.8±5.7 | 121.3±4.0 |
| Ca2+ | 121.3±2.9 | 79.1±3.9 |
| Mg2+ | 115.1±3.6 | 171.2±2.5 |
| Al3+ | 88.8±3.7 | 76.9±3.7 |
| Fe2+ | 82.5±2.7 | 68.3±2.4 |
| Fe3+ | 98.4±2.1 | 87.9±4.4 |
| Mn2+ | 56.2±2.2 | 33.7±4.7 |
| Zn2+ | 91.2±2.1 | 101.4±4.4 |
| Cu2+ | 46.6±3.4 | 24.1±2.1 |
| Hg2+ | 44.9±6.7 | 36.9±4.3 |
| Pb2+ | 112.3±2.0 | 73.1±4.1 |
| Ba2+ | 119.4±3.0 | 78.9±6.5 |
| Ni2+ | 139.4±2.9 | 150.2±3.1 |
| Cd2+ | 71.3±2.8 | 56.4±4.9 |
