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Table 3 Influence of metal ions on the relative activity of TtGalA

From: Thermus thermophilus as source of thermozymes for biotechnological applications: homologous expression and biochemical characterization of an α-galactosidase

Metal ions

0.5 mM

1 mM

2.5 mM

5 mM

Mg+2

99.3 ± 0.7

91.7 ± 0.3

89.9 ± 2.5

55.6 ± 0.5

Ca+2

95.9 ± 0.7

95.8 ± 0.1

90.1 ± 2.4

27.8 ± 0.4

Cu+2

87. 7 ± 3.1

77.2 ± 1.6

63.9 ± 0. 97

22.2 ± 0.3

Li+

106.3 ± 0.5

113.9 ± 3.6

114.8 ± 3.1

93.6 ± 2.5

Zn+2

100.6 ± 2.2

110.3 ± 0.6

70.4 ± 0.6

15.1 ± 0.3

Mn+2

103.4 ± 1.0

128.5 ± 1.9

114.8 ± 3.0

20.2 ± 0.6

Co+2

101.8 ± 2.6

136.2 ± 0.4

92.8 ± 0.9

30.1 ± 0.7

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Microbial Cell Factories

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