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Literature summary for 3.2.1.23 extracted from
- Purification and characterization of extracellular beta-galactosidase secreted by supension cultured rice (Oryza sativa L.) cells (2003), Biosci. Biotechnol. Biochem., 67, 627-630.
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| extracellular | - |
Oryza sativa | - |
- |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 40000 | - |
1 * 47000 + 1 * 40000, SDS-PAGE | Oryza sativa |
| 47000 | - |
1 * 47000 + 1 * 40000, SDS-PAGE | Oryza sativa |
| 65000 | - |
gel filtration | Oryza sativa |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Oryza sativa | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Oryza sativa |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| culture medium | - |
Oryza sativa | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 65.1 | - |
- |
Oryza sativa |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| galactoxyloglucan + H2O | - |
Oryza sativa | galactose + ? | - |
? |  |
| p-nitrophenyl beta-D-galactopyranoside + H2O | - |
Oryza sativa | p-nitrophenol + beta-D-galactose | - |
? | |
| pectic galactan + H2O | - |
Oryza sativa | galactose + ? | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| dimer | 1 * 47000 + 1 * 40000, SDS-PAGE | Oryza sativa |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 60 | - |
- |
Oryza sativa |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 45 | - |
pH 4.0, 60 min, inactivation above | Oryza sativa |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 3.5 | - |
- |
Oryza sativa |
pH Stability
| pH Stability | pH Stability Maximum | Comment | Organism |
|---|---|---|---|
| 5 | - |
30°C, 60 min, slow inactivation above | Oryza sativa |
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Release 2023.1 (January 2023)
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