From: A new cold-adapted β-D-galactosidase from the Antarctic Arthrobacter sp. 32c – gene cloning, overexpression, purification and properties
Metal ion
Relative activity [%]
None
100
Na+
97 ± 3
K+
100 ± 2
Ni2+
38 ± 4
Mg2+
90 ± 2
Fe2+
25 ± 2
Co2+
87 ± 3
Cu2+
0 ± 0
Mn2+
11 ± 2
Zn2+
Ca2+
88 ± 2