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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