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Literature summary for 3.2.1.1 extracted from
- Ostrich, pancreatic alpha-amylase: kinetic properties, amino terminal sequence and subsite structure (1994), Int. J. Biochem., 26, 1313-1321.
No PubMed abstract available
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| 2-deoxyglucose | - |
Struthio camelus |  |
| alpha-D-methylglucopyranose | - |
Struthio camelus | |
| beta-cyclodextrin | - |
Struthio camelus | |
| D-gluconic acid lactone | - |
Struthio camelus | |
| D-glucosamine | - |
Struthio camelus | |
| wheat amylase inhibitor | - |
Struthio camelus |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.43 | - |
maltohexaose | - |
Struthio camelus | |
| 0.51 | - |
maltoheptaose | - |
Struthio camelus | |
| 0.65 | 1.33 | maltotetraose | value depends on assay method | Struthio camelus | |
| 0.95 | - |
maltopentaose | - |
Struthio camelus | |
| 3.57 | - |
maltotriose | - |
Struthio camelus | |
| 26.16 | - |
maltose | - |
Struthio camelus | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 52000 | - |
x * 52000, SDS-PAGE | Struthio camelus |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Struthio camelus | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Struthio camelus |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| pancreas | - |
Struthio camelus | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| maltoheptaose + H2O | - |
Struthio camelus | additional information | maltotetraose + maltotriose | ? | |
| maltohexaose + H2O | - |
Struthio camelus | additional information | maltose + maltotetraose or maltotriose | ? | |
| maltopentaose + H2O | - |
Struthio camelus | additional information | maltose + maltotriose | ? | |
| maltose + H2O | - |
Struthio camelus | ? | - |
? | |
| maltotetraose + H2O | - |
Struthio camelus | additional information | - |
? | |
| maltotriose + H2O | - |
Struthio camelus | maltose + D-glucose | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| ? | x * 52000, SDS-PAGE | Struthio camelus |
Turnover Number [1/s]
| Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.23 | - |
maltose | - |
Struthio camelus | |
| 0.81 | - |
maltotriose | - |
Struthio camelus | |
| 117 | 144 | maltotetraose | value depends on assay method | Struthio camelus | |
| 580 | - |
maltohexaose | - |
Struthio camelus | |
| 679 | - |
maltoheptaose | - |
Struthio camelus | |
| 754 | - |
maltopentaose | - |
Struthio camelus | |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 7.5 | - |
hydrolysis of maltopentaose, maltohexaose and maltoheptaose | Struthio camelus |
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