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Literature summary for 3.2.1.60 extracted from
- Maltotetraose-producing amylase from Bacillus sp. MG-4 (1991), Agric. Biol. Chem., 55, 1715-1720.
No PubMed abstract available
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| Cu2+ | - |
Niallia circulans |  |
| Hg2+ | - |
Niallia circulans | |
| Zn2+ | - |
Niallia circulans | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 10000 | - |
gel filtration | Niallia circulans |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Niallia circulans | - |
MG-4 | - |
| Niallia circulans MG-4 | - |
MG-4 | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| partial | 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. |
|---|---|---|---|---|---|---|
| amylopectin + H2O | - |
Niallia circulans | maltotetraose + ? | - |
? | |
| amylopectin + H2O | - |
Niallia circulans MG-4 | maltotetraose + ? | - |
? | |
| amylose + H2O | - |
Niallia circulans | maltotetraose | - |
? | |
| amylose + H2O | - |
Niallia circulans MG-4 | maltotetraose | - |
? | |
| glycogen + H2O | - |
Niallia circulans | maltotetraose | - |
? | |
| glycogen + H2O | - |
Niallia circulans MG-4 | maltotetraose | - |
? | |
| starch + H2O | - |
Niallia circulans | maltotetraose | - |
? | |
| starch + H2O | - |
Niallia circulans MG-4 | maltotetraose | - |
? | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 50 | - |
- |
Niallia circulans |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 40 | 55 | 40°C and 55°C, 80% of maximal activity | Niallia circulans |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| additional information | - |
Ca2+ protects enzyme from heat | Niallia circulans |
| 40 | - |
unstable below | Niallia circulans |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7.5 | - |
- |
Niallia circulans |
pH Stability
| pH Stability | pH Stability Maximum | Comment | Organism |
|---|---|---|---|
| 7 | 9 | stable between | Niallia circulans |
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Release 2023.1 (January 2023)
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