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EC Number
Metals/Ions
Commentary
Reference
Fe2+
required, Fe2+ or Mn2+, Mn2+ is 50-75% as effective as Fe2+
K+
3.4fold stimulation at 10 mM
K+
activates
K+
activates; KCl activates
K+
activates; rate of arsenolysis increases with increasing potassium or ammonium salt concentration and reaches a maximum rate at 0.02 to 0.03 M salt concentration
K+
enzyme is activated by low concentrations of NH4+, K+ and Na+, sequence of effectiveness: NH4+, K+, Na+
K+
enzyme is inactive in absence of K+ or NH4+, maximal activation at about 0.02 M
K+
K+ or NH4+ at concentration above 10 mM required for maximum activity
K+
maximum activity in the presence of 20 mM KCl
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