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Literature summary for 3.2.1.1 extracted from
- Production of maltohexaose by alpha-amylase from Bacillus circulans G-6 (1982), Agric. Biol. Chem., 46, 1539-1547.
No PubMed abstract available
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| Co2+ | - |
Niallia circulans |  |
| Cu2+ | - |
Niallia circulans | |
| Fe2+ | - |
Niallia circulans | |
| Hg2+ | - |
Niallia circulans | |
| Zn2+ | - |
Niallia circulans | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 76000 | - |
gel filtration | Niallia circulans |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Niallia circulans | - |
- |
- |
| Niallia circulans G-6 | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Niallia circulans |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| additional information | - |
- |
Niallia circulans |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| starch + H2O | - |
Niallia circulans | additional information | maltohexaose is the main product | ? | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 60 | - |
- |
Niallia circulans |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 30 | 65 | 30°C: about 45% of maximal activity, 65°C: about 10% of maximal activity | Niallia circulans |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 50 | - |
pH 8.0, 10 min, stable below | Niallia circulans |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 8 | - |
- |
Niallia circulans |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 5 | 9.5 | pH 5.0: about 40% of maximal activity, pH 9.5: about 70% of maximal activity | Niallia circulans |
pH Stability
| pH Stability | pH Stability Maximum | Comment | Organism |
|---|---|---|---|
| 5 | 10 | 30°C, 3 h, stable | Niallia circulans |
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