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Table 2 Effects of cations and chemical reagents on the activity of purified Tth Abn

From: Expression and characterization of a GH43 endo-arabinanase from Thermotoga thermarum

Cationsa/Chemical reagentsb Residual activity (%)
Control 100 ± 0.6
Mg2+ 99 ± 1.2
Zn2+ 14 ± 0.3
Mn2+ 128 ± 2.9
Ba2+ 113 ± 3.6
Ca2+ 113 ± 1.7
Al3+ 0
Cu2+ 0
Co2+ 82 ± 1.7
Ni2+ 31 ± 0.5
Tween 60 133 ± 2.5
Tris 41 ± 0.4
SDS 111 ± 1.8
  1. aFinal concentration, 1 mM. bFinal concentration, 0.05% Tween 60 and Tris, 0.1% SDS. Values shown were the mean of triplicate experiments, and the variation about the mean was below 5%.