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Literature summary for 3.2.1.89 extracted from
- Purification and properties of two galactanases from Penicillium citrinum (1985), Agric. Biol. Chem., 49, 3445-3454.
No PubMed abstract available
Crystallization (Commentary)
| Crystallization (Comment) | Organism |
|---|---|
| galactanase I forms a hexagonal crystal | Penicillium citrinum |
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| arabinose | o-nitrophenyl-beta-D-galactoside hydrolyzing activity | Penicillium citrinum |  |
| Fe3+ | - |
Penicillium citrinum | |
| galactose | o-nitrophenyl-beta-D-galactoside hydrolyzing activity | Penicillium citrinum | |
| glucose | o-nitrophenyl-beta-D-galactoside hydrolyzing activity | Penicillium citrinum | |
| Hg2+ | - |
Penicillium citrinum | |
| lactose | o-nitrophenyl-beta-D-galactoside hydrolyzing activity | Penicillium citrinum | |
| xylose | o-nitrophenyl-beta-D-galactoside hydrolyzing activity | Penicillium citrinum | |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| extracellular | - |
Penicillium citrinum | - |
- |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 35000 | - |
- |
Penicillium citrinum |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| arabinogalactan + H2O | Penicillium citrinum | - |
galactose | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Penicillium citrinum | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Penicillium citrinum |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 224 | - |
galactanase II | Penicillium citrinum |
| 238 | - |
galactanase I | Penicillium citrinum |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| arabinogalactan + H2O | - |
Penicillium citrinum | galactose | - |
? | |
| beta-(1->4)-D-galactotriose + H2O | by galactanase I | Penicillium citrinum | D-galactose | - |
? | |
| galactobiose + H2O | by galactanase I | Penicillium citrinum | galactose | - |
? | |
| galactotetraose + H2O | by galactanase I | Penicillium citrinum | galactose | - |
? | |
| p-nitrophenyl-beta-D-galactoside + H2O | - |
Penicillium citrinum | p-nitrophenol + galactose | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| monomer | 1 * 35000 SDS-PAGE | Penicillium citrinum |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 55 | - |
- |
Penicillium citrinum |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 55 | - |
stable for 10 min at pH 5.5 | Penicillium citrinum |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 4.5 | - |
- |
Penicillium citrinum |
pH Stability
| pH Stability | pH Stability Maximum | Comment | Organism |
|---|---|---|---|
| 4 | 10 | - |
Penicillium citrinum |
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