Cation effects on TmPhy activity.
Metal | ion Relative activity(%) |
---|---|
Control | 100.0 ± 14.9 |
Ca2+ | 110.8 ± 10.8 |
Mg2+ | 125.3 ± 17.3 |
Mn2+ | 123.4 ± 12.1 |
Zn2+ | 106.9 ± 10.2 |
Ni2+ | 99.8 ± 7.5 |
Cu2+ | 115.8 ± 27.9 |
Co2+ | 113.5 ± 18.0 |
The phytase activity was measured at pH3 and 37°C with 1 mM each cation.