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EC Number
Metals/Ions
Commentary
Reference
Ca2+
Ca2+ has an stabilizing effect. With 1.0 mM CaCl2, the enzyme is completely stable at 0°C for 2 h and after 3.5 h almost 90% of the initial activity is retained
Co2+
required
K+
optimally active in the presence of 2 M KCl
KCl
600 mM, 147% of initial activity; activity increases in the presence of KCl is maintained even at concentration of 3 M
KCl
a preference for KCl over NaCl is observed, with best activity at 4 M KCl
KCl
maximally active with ethanol with 4 M KCl. It is maximally active with 1-propanol with 2 M KCl and with 1-butanol and 1-pentanol with 1 M KCl. Optimum activity with the secondary alcohols, 2-propanol and 2-butanol, is observed with 3 M KCl and 2 M KCl, respectively, and with isoamyl alcohol in the presence of 1 M KCl. Maximum activity with benzyl alcohol is detected with 2 M KCl. Catalyzed the reductive reaction optimally at pH 6.0 with 1 M KCl
KCl
maximum activity in presence of 4 M KCl
more
metal independency is supported by the absence of a significant effect of TsAdh319 preincubation with 10 mM Me2+ for 30 min before measuring the activity in the presence of 1 mM Me2+ or EDTA
NaCl
400 mM, 206% of initial activity; activity increases in the presence of NaCl is maintained even at concentration of 4 M
NaCl
activity is increased in the presence of NaCl and remains at the elevated level up to 4 M of NaCl. The rates of 2-propanol and 2,5-hexanediol oxidation are increased by more than 2fold after the addition of NaCl up to 1 M to the assay mixture and is retained at the increased level up to 4 M of NaCl
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