Any feedback?
Literature summary for 3.2.1.1 extracted from
- Production and characterization of thermostable alpha-amylase by thermophilic Geobacillus stearothermophilus (2006), Biotechnol. J., 1, 850-857.
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| EDTA | - |
Geobacillus stearothermophilus |  |
| Fe2+ | - |
Geobacillus stearothermophilus | |
| Fe3+ | - |
Geobacillus stearothermophilus | |
| Na+ | alpha-amylase in 1 M NaCl and 5 mM NaCl retains 73% and 43% of its original activity after 24 h at 4ºC, respectively | Geobacillus stearothermophilus | |
| Ni2+ | - |
Geobacillus stearothermophilus | |
| Zn2+ | - |
Geobacillus stearothermophilus | |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Ca2+ | slightly improves enzymatic activity | Geobacillus stearothermophilus | |
| Cu2+ | slightly improves enzymatic activity | Geobacillus stearothermophilus | |
| Mg2+ | slightly improves enzymatic activity | Geobacillus stearothermophilus | |
| Mn2+ | slightly improves enzymatic activity | Geobacillus stearothermophilus | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Geobacillus stearothermophilus | - |
- |
- |
| Geobacillus stearothermophilus JT2 | - |
- |
- |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| soluble starch + H2O | - |
Geobacillus stearothermophilus | ? | - |
? | |
| soluble starch + H2O | - |
Geobacillus stearothermophilus JT2 | ? | - |
? | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 65 | - |
- |
Geobacillus stearothermophilus |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 30 | 75 | 30°C: about 50% of maximal activity, 75°C: about 50% of maximal activity | Geobacillus stearothermophilus |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7 | - |
- |
Geobacillus stearothermophilus |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 6 | 13 | pH 6.0: about 35% of maximal activity, pH 13: about 45% of maximal activity | Geobacillus stearothermophilus |
Use of this online version of BRENDA is free under the CC BY 4.0 license. See terms of use for full details.
Release 2023.1 (January 2023)
Legal
Curated at
Member of
