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Literature summary for 3.2.1.26 extracted from
- Purification and some properties of cell wall-bound invertases from sugar beet seedlings and aged slices of mature roots (1980), Plant Physiol., 66, 93-96.
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 1.33 | - |
sucrose | - |
Beta vulgaris |  |
| 4 | - |
raffinose | - |
Beta vulgaris | |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| cell wall | - |
Beta vulgaris | 5618 | - |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 28000 | - |
gel filtration | Beta vulgaris |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Beta vulgaris | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Beta vulgaris |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| root | aged slices of mature roots | Beta vulgaris | - |
| seedling | - |
Beta vulgaris | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| additional information | - |
- |
Beta vulgaris |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| raffinose + H2O | - |
Beta vulgaris | fructose + melibiose | - |
? | |
| sucrose + H2O | - |
Beta vulgaris | D-fructose + D-glucose | - |
? | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 50 | - |
- |
Beta vulgaris |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 30 | 60 | 30°C: about 45% of maximal activity, 60°C: less than 10% of maximal activity | Beta vulgaris |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 4.6 | 5 | - |
Beta vulgaris |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 3 | 6 | pH 3.0: enzyme from seedlings shows 45% of maximal activity, enzyme from aged root slices shows about 30% of maximal activity, pH 6.0: about 30% of maximal activity | Beta vulgaris |
| 4.6 | 5 | - |
Beta vulgaris |
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Release 2023.1 (January 2023)
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