BioMed Research International / 2014 / Article / Tab 4

Research Article

Purification and Characterization of Catalase from Marine Bacterium Acinetobacter sp. YS0810

Table 4

Comparison of the enzymatic properties of YS0810CAT with those of other monofunctional catalases from different sources.

PropertyThermoascus aurantiacus Vibrio rumoiensis S-1TVibrio salmonicidaSerratia marcescens SYBC08Halomonas sp. SK1Acinetobacter sp. YS0810

A405/A280 ratio1.020.9310.42n.d.0.68
Subunit mass (kD)755757586857
Subunits444444
Optimal pH6–106–108.87.0–9.01011
Optimal temperature/°C70400~1020n.d.60
Temperature stability (ResidueActivity)60°C, 60 min, 100%60°C, 15 min, 0%60°C, 20 min, 0%70°C, 90 min, 57%55°C, 30 min, 0%60°C, 30 min, 78%

n. d. means not determined.

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