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Literature summary for 3.2.1.48 extracted from
- Purification and partial characterization of chick intestinal sucrase (1983), Comp. Biochem. Physiol. B, 76, 465-470.
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| Na+ | high concentration | Gallus gallus |  |
| sucrose | high concentration | Gallus gallus | |
| Tris | concentration-dependent biphasic effect, first causing activation, fully competitive inhibition above pH 6.8, inhibition is stronger at alkaline pH values | Gallus gallus | |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 10.5 | - |
sucrose | - |
Gallus gallus | |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Na+ | low concentration: activation | Gallus gallus | |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 270000 | - |
SDS-PAGE | Gallus gallus |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| isomaltose + H2O | Gallus gallus | - |
glucose | - |
? | |
| maltose + H2O | Gallus gallus | - |
2 glucose | - |
? | |
| sucrose + H2O | Gallus gallus | - |
D-glucose + D-fructose | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Gallus gallus | - |
chicken | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Gallus gallus |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| isomaltose + H2O | - |
Gallus gallus | glucose | - |
? | |
| isomaltose + H2O | - |
Gallus gallus | 2 D-glucose | - |
? | |
| maltose + H2O | - |
Gallus gallus | 2 glucose | - |
? | |
| maltose + H2O | - |
Gallus gallus | 2 D-glucose | - |
? | |
| sucrose + H2O | - |
Gallus gallus | D-glucose + D-fructose | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| More | - |
Gallus gallus |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 37 | - |
assay at | Gallus gallus |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 6.5 | - |
- |
Gallus gallus |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 4.1 | 8.8 | activity almost neglegible at pH 4.1 and pH 8.8 | Gallus gallus |
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