. 2015 Feb 26;13(1):59–64. doi: 10.1016/j.jgeb.2015.01.002

Table 2.

Effect of different metal ions (5 mM), detergents and oxidizing agents (1%) on the activity of protease from Bacillus sp. after 30 min at 37 °C.

	Enzyme activity (U/mg)	Relative activity (%)
Metal ions (5 mM)
Ca²⁺	9660	140
Mn²⁺	8970	130
Mg²⁺	5520	80
Zn²⁺	5175	75
Ba²⁺	5106	74
Cu²⁺	3450	50
Co²⁺	3105	45
Hg²⁺	2070	30
Control	6900	100

Detergents and oxidizing agents (1%)
Tween-80	5520	80
SDS	5175	75
Triton-X-100	4140	60
Hydrogen peroxide	3105	45
Control	6900	100