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Table 1 Effect of cations on the activity of CoGH1A

From: A multifunctional thermophilic glycoside hydrolase from Caldicellulosiruptor owensensis with potential applications in production of biofuels and biochemicals

Cations

Relative activity %

5 mM

10 mM

Control

100

100

Fe3+

92

83

Zn2+

87

82

Ni2+

102

119

Mn2+

104

135

Co2+

95

75

Mg2+

76

80

Cu2+

87

71

K+

114

105

Na+

96

82

NH4 +

82

75

  1. The experiment was carried out at 75 °C and pH 5.5. The pNPGal with the concentration of 1 mM was used as the substrate