Chemicals | Relative activity (%)* | |
---|---|---|
Concentration (mM) | 0.5 | 1.0 |
None | 100 ± 1 | 100 ± 1 |
Ca2+ | 729 ± 38 | 437 ± 1 |
Mg2+ | 125 ± 11 | 99 ± 3 |
Mn2+ | 75 ± 3 | 57 ± 5 |
Cu2+ | 79 ± 3 | 104 ± 11 |
Zn2+ | 116 ± 8 | 106 ± 7 |
Fe2+ | 82 ± 7 | 57 ± 3 |
Ba2+ | 12 ± 3 | 3 ± 0 |
K+ | 119 ± 8 | 100 ± 4 |
EDTA | nd | nd |
Triton X-100 | 102 ± 9 | 100 ± 8 |
Tween-20 | 98 ± 2 | 116 ± 11 |