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Table 3 Effect of metal ions on the activities of purified ReGal2

From: Characterization of a highly stable α-galactosidase from thermophilic Rasamsonia emersonii heterologously expressed in a modified Pichia pastoris expression system

Metal ions

5 mM

10 mM

20 mM

Ni2+

105 ± 5.47

104 ± 2.28

98.4 ± 1.6

K+

102 ± 2.8

103 ± 8.84

100 ± 1.42

Mn2+

114 ± 2.0

108 ± 6.5

104 ± 8.3

Cu2+

107 ± 7.3

101 ± 1.3

102 ± 5.9

Co2+

107 ± 2.4

105 ± 5.89

101 ± 3.6

Mg2+

107 ± 8.1

109 ± 5.06

112 ± 3.7

Zn2+

98.95 ± 1.4

105 ± 4.0

95 ± 2.2

Ca2+

104 ± 5.6

107 ± 5.2

106 ± 2.8

Ag+

0.00 ± 0.16

0.02 ± 0.18

0.94 ± 0.46