Table 1 Effects of various chemicals on the CHOE activity
From: Gene cloning and molecular characterization of a thermostable chitosanase from Bacillus cereus TY24
Metal ions | Concentrations | Relative activity (%) |
|---|---|---|
K+ | 5 mM | 198.08 ± 0.49 |
Ca2+ | 5 mM | 260.16 ± 2.71 |
Zn2+ | 5 mM | 47.84 ± 1.39 |
Mn2+ | 5 mM | 180.67 ± 2.15 |
Fe2+ | 5 mM | 23.38 ± 1.64 |
Mg2+ | 5 mM | 217.53 ± 3.81 |
Cu2+ | 5 mM | 153.21 ± 1.43 |
Co2+ | 5 mM | 45.23 ± 2.18 |
Hg2+ | 5 mM | ND* |
Pb2+ | 5 mM | ND |
Fe3+ | 5 mM | ND |
Al3+ | 5 mM | 39.39 ± 1.28 |
EDTA | 5 mM | ND |
Tween 20 | 1% | 135.15 ± 3.88 |
Tween 80 | 1% | 120.32 ± 2.68 |
SDS | 1% | 122.15 ± 2.28 |