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Literature summary extracted from
- The beta-1,4-endogalactanase A gene from Aspergillus niger is specifically induced on arabinose and galacturonic acid and plays an important role in the degradation of pectic hairy regions (2002), Eur. J. Biochem., 269, 4985-4993.
Cloned(Commentary)
| EC Number | Cloned (Comment) | Organism |
|---|---|---|
| 3.2.1.89 | - |
Aspergillus niger |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.89 | 48500 | - |
SDS-PAGE | Aspergillus niger |
Natural Substrates/ Products (Substrates)
| EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.2.1.89 | additional information | Aspergillus niger | role in degradation of both linear and L-arabinose-substitued galactan side chains of pectin | ? | - |
? |  |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 3.2.1.89 | Aspergillus niger | - |
- |
- |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 3.2.1.89 | - |
Aspergillus niger |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.89 | 12.3 | - |
- |
Aspergillus niger |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.2.1.89 | arabinogalactan + H2O | initial release of D-galactotriose and D-galactotetraose, prolonged incubation results in D-galactose and D-galactobiose | Aspergillus niger | D-galactose | - |
? | |
| 3.2.1.89 | additional information | role in degradation of both linear and L-arabinose-substitued galactan side chains of pectin | Aspergillus niger | ? | - |
? | |
| 3.2.1.89 | additional information | no activity towards D-galacto-oligosaccharides that are substituted with D-glucose at the reducing end | Aspergillus niger | ? | - |
? | |
Synonyms
| EC Number | Synonyms | Comment | Organism |
|---|---|---|---|
| 3.2.1.89 | endogalactanase A | - |
Aspergillus niger |
| 3.2.1.89 | GALA | - |
Aspergillus niger |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.89 | 4 | 4.5 | - |
Aspergillus niger |
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Release 2023.1 (January 2023)
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