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.
| Property | Thermoascus aurantiacus | Vibrio rumoiensis S-1T | Vibrio salmonicida | Serratia marcescens SYBC08 | Halomonas sp. SK1 | Acinetobacter sp. YS0810 |
| A405/A280 ratio | 1.02 | 0.93 | 1 | 0.42 | n.d. | 0.68 | Subunit mass (kD) | 75 | 57 | 57 | 58 | 68 | 57 | Subunits | 4 | 4 | 4 | 4 | 4 | 4 | Optimal pH | 6–10 | 6–10 | 8.8 | 7.0–9.0 | 10 | 11 | Optimal temperature/°C | 70 | 40 | 0~10 | 20 | n.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% |
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n. d. means not determined.
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