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. 2005 Dec 12;393(Pt 1):219–226. doi: 10.1042/BJ20050740

Table 3. Effects of bivalent metal ions on the activity of CatB.

The enzyme reaction was performed by the standard assay methods in the presence of various bivalent ions instead of manganese ion.

Metal ion Relative activity (%)
None 43
Mn2+ 100
Co2+ 170
Mg2+ 75
Ba2+ 40
Ca2+ 34
Ni2+ 55
Zn2+ 30