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Table 1 Effect of metals on recombinant enzymes

From: Recombinant expression and characterization of two glycoside hydrolases from extreme alklinphilic bacterium Cellulomonas bogoriensis 69B4T

Metal ionsRelative activity (%)
Cel5ACel9A
1 mM10 mM1 mM10 mM
Fe2+132.5 ± 1.639.8 ± 6.0129.0 ± 0.540.2 ± 7.1
Fe3+75.8 ± 2.7083.3 ± 1.721.0 ± 0.6
Cu2+77.6 ± 0.445.4 ± 1.5116.5 ± 0.535.3 ± 4.7
Ca2+102.9 ± 2.2113.5 ± 1.3116.1 ± 1.571.7 ± 2.2
Na+101.9 ± 1.1101.8 ± 2.1117.8 ± 1.5102.3 ± 1.6
K+103.7 ± 3.8104.8 ± 0.3105.6 ± 0.6103.7 ± 1.7
Ni2+107.64 ± 2.0110.9 ± 1.681.5 ± 2.228.5 ± 4.1
Mn2+71.3 ± 4.5043.9 ± 4.356.8 ± 1.0
Co2+75.5 ± 0.138.1 ± 1.576.0 ± 3.538.9 ± 6.3
Mg2+103.3 ± 3.8145.1 ± 0.495.3 ± 3.4104.5 ± 1.8
Zn2+93.4 ± 3.797.4 ± 2.672.6 ± 0.547.1 ± 2.0