EC Number | Application | Comment | Organism |
---|---|---|---|
3.2.1.99 | nutrition | commercial applications in fruit and vegetable processing, particularly in apple juice manufacture where their use prevents haze formation in pectinase-treated apple pulp by depolymerizing debranched arabinan, linear alpha-1,5-arabinan, formed by the action of alpha-L-arabinofuranosidases during this process | Aspergillus niger |
3.2.1.99 | nutrition | commercial applications in fruit and vegetable processing, particularly in apple juice manufacture where their use prevents haze formation in pectinase-treated apple pulp by depolymerizing debranched arabinan, linear alpha-1,5-arabinan, formed by the action of alpha-L-arabinofuranosidases during this process | Aspergillus aculeatus |
EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
3.2.1.99 | branched arabinofuranosides | - |
Aspergillus aculeatus | |
3.2.1.99 | branched arabinofuranosides | - |
Aspergillus niger |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
3.2.1.99 | 45000 | - |
SDS-PAGE | Aspergillus niger |
3.2.1.99 | 45000 | - |
SDS-PAGE | Aspergillus aculeatus |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
3.2.1.99 | Aspergillus aculeatus | - |
- |
- |
3.2.1.99 | Aspergillus niger | - |
- |
- |
EC Number | Purification (Comment) | Organism |
---|---|---|
3.2.1.99 | - |
Aspergillus aculeatus |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
3.2.1.99 | 1,5-alpha-L-arabinan + H2O | best substrate, endo mechanism | Aspergillus niger | alpha-L-arabinopyranosyl-(1-5)-O-alpha-L-arabinopyranose + alpha-L-Ara-(1-5)-O-alpha-L-Ara-(1-5)-O-alpha-L-Ara | action patterns of initial hydrolysis products | ? | |
3.2.1.99 | 1,5-alpha-L-arabinan + H2O | best substrate, endo mechanism | Aspergillus aculeatus | alpha-L-arabinopyranosyl-(1-5)-O-alpha-L-arabinopyranose + alpha-L-Ara-(1-5)-O-alpha-L-Ara-(1-5)-O-alpha-L-Ara | action patterns of initial hydrolysis products | ? | |
3.2.1.99 | 1,5-alpha-L-arabinan + H2O | best substrate, endo mechanism | Aspergillus niger | alpha-L-arabinopyranosyl-(1-5)-O-alpha-L-arabinopyranose + alpha-L-Ara-(1-5)-O-alpha-L-Ara-(1-5)-O-alpha-L-Ara | product formation, overview | ? | |
3.2.1.99 | 1,5-alpha-L-arabinan + H2O | best substrate, endo mechanism | Aspergillus aculeatus | alpha-L-arabinopyranosyl-(1-5)-O-alpha-L-arabinopyranose + alpha-L-Ara-(1-5)-O-alpha-L-Ara-(1-5)-O-alpha-L-Ara | product formation, overview | ? | |
3.2.1.99 | alpha-L-Ara-(1-5)-O-alpha-L-Ara-(1-5)-O-alpha-L-Ara + H2O | very poor substrate | Aspergillus niger | alpha-L-arabinofuranose + alpha-L-arabinofuranosyl-(1-5)-O-alpha-L-arabinofuranose | - |
? | |
3.2.1.99 | arabinogalactan + H2O | onion arabinogalactan: not a substrate | Aspergillus aculeatus | ? | - |
? | |
3.2.1.99 | arabinogalactan + H2O | potato arabinogalactan | Aspergillus niger | ? | - |
? | |
3.2.1.99 | arabinogalactan + H2O | potato arabinogalactan | Aspergillus aculeatus | ? | - |
? | |
3.2.1.99 | CM-cellulose + H2O | poor substrate | Aspergillus aculeatus | ? | - |
? | |
3.2.1.99 | L-arabinan + H2O | apple juice ultrafiltration retentate arabinan, branched sugar-beet arabinan, linear apple arabinan | Aspergillus niger | L-arabino-oligosaccharides | end-product: low molecular weight oligomeric products | ? | |
3.2.1.99 | L-arabinan + H2O | apple juice ultrafiltration retentate arabinan, branched sugar-beet arabinan, linear apple arabinan | Aspergillus aculeatus | L-arabino-oligosaccharides | end-product: low molecular weight oligomeric products | ? | |
3.2.1.99 | L-arabinan + H2O | linear and branched arabinan | Aspergillus niger | L-arabino-oligosaccharides | end-product: low molecular weight oligomeric products | ? | |
3.2.1.99 | L-arabinan + H2O | linear and branched arabinan | Aspergillus aculeatus | L-arabino-oligosaccharides | end-product: low molecular weight oligomeric products | ? | |
3.2.1.99 | L-arabino-oligosaccharide + H2O | - |
Aspergillus niger | L-arabino-oligosaccharide | product formation | ? | |
3.2.1.99 | L-arabino-oligosaccharide + H2O | - |
Aspergillus aculeatus | L-arabino-oligosaccharide | product formation | ? | |
3.2.1.99 | L-arabino-oligosaccharide + H2O | - |
Aspergillus niger | L-arabino-oligosaccharide | small oligomeric products | ? | |
3.2.1.99 | L-arabino-oligosaccharide + H2O | - |
Aspergillus aculeatus | L-arabino-oligosaccharide | small oligomeric products | ? | |
3.2.1.99 | additional information | substrate specificity, overview | Aspergillus niger | ? | - |
? | |
3.2.1.99 | additional information | substrate specificity, overview | Aspergillus aculeatus | ? | - |
? | |
3.2.1.99 | additional information | inactive on p-nitrophenylarabinofuranoside, onion arabinogalactan, stractan, wheat arabinoxylan, oat spelts arabinoxylan, avicel, polygalacturonic acid | Aspergillus aculeatus | ? | - |
? | |
3.2.1.99 | additional information | product specificity, overview | Aspergillus niger | ? | - |
? | |
3.2.1.99 | additional information | product specificity, overview | Aspergillus aculeatus | ? | - |
? |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
3.2.1.99 | 4.5 | 5.5 | - |
Aspergillus niger |
3.2.1.99 | 5.5 | - |
- |
Aspergillus aculeatus |
EC Number | pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|---|
3.2.1.99 | 5.5 | 6.3 | stable between | Aspergillus aculeatus |