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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