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Table 1 Effects of cations and reagents on purified BGL activity

From: Thermoanaerobacterium thermosaccharolyticum β-glucosidase: a glucose-tolerant enzyme with high specific activity for cellobiose

Cation of reagenta Residual activity (%)
Control 100
Fe2+ 172
Mg2+ 104
Zn2+ 7
Mn2+ 223
Ca2+ 108
K+ 101
Al3+ 43
Li+ 110
Cu2+ 2
Hg2+ 0
Co2+ 37
Ag2+ 19
EDTA (10 mM) 102
  1. a Final concentration, 1 mM or as indicated. Values shown are the mean of duplicate experiments, and the variation about the mean was below 5%.