KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | - |
Aspergillus niger | |
4.2 | - |
1,5-alpha-L-arabinan | - |
Aspergillus niger | |
9.3 | - |
L-arabinan | apple juice ultrafiltration retentate, UFR, arabinan, linearised | Aspergillus niger | |
26 | - |
L-arabinan | apple juice ultrafiltration retentate, UFR, arabinan | Aspergillus niger |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
35000 | - |
SDS-PAGE | Aspergillus niger |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Aspergillus niger | - |
- |
- |
Posttranslational Modification | Comment | Organism |
---|---|---|
glycoprotein | - |
Aspergillus niger |
Purification (Comment) | Organism |
---|---|
- |
Aspergillus niger |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.36 | - |
apple juice ultrafiltration retentate, UFR, arabinan | Aspergillus niger |
1.2 | - |
best substrate: 1,5-alpha-L-arabinan | Aspergillus niger |
Storage Stability | Organism |
---|---|
-20°C, 10 mM sodium acetate or piperazine buffer, pH 5.0 dispensed in small tubes | Aspergillus niger |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
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 | major final end-products, upon exhaustive degradation of substrate some monomers, L-arabinose, are produced | ? | |
alpha-L-Ara-(1-5)-O-alpha-L-Ara-(1-5)-O-alpha-L-Ara + H2O | poor substrate | Aspergillus niger | alpha-L-arabinofuranose + alpha-L-arabinofuranosyl-(1-5)-O-alpha-L-arabinofuranose | - |
? | |
alpha-L-Ara-(1-5)-O-alpha-L-Ara-(1-5)-O-alpha-L-Ara-(1-5)-O-alpha-L-Ara + H2O | poor substrate | Aspergillus niger | alpha-L-arabinofuranose + alpha-L-arabinofuranosyl-(1-5)-O-alpha-L-arabinofuranose | - |
? | |
alpha-L-Ara-(1-5)-O-alpha-L-Ara-(1-5)-O-alpha-L-Ara-(1-5)-O-alpha-L-Ara-(1-5)-O-alpha-L-Ara + H2O | - |
Aspergillus niger | alpha-L-arabinofuranose + alpha-L-arabinofuranosyl-(1-5)-O-alpha-L-arabinofuranose | - |
? | |
galactan + H2O | potato galactan: poor substrate, citrus galactan: very poor substrate | Aspergillus niger | ? | - |
? | |
L-arabinan + H2O | beet and apple juice ultrafiltration retentate, UFR, arabinan | Aspergillus niger | L-arabino-oligosaccharides | end-product: L-arabinose disaccharide + L-arabinose trisaccharide, upon exhaustive degradation of substrate some monomers, L-arabinose, are produced | ? | |
additional information | substrate specificity, overview | Aspergillus niger | ? | - |
? | |
additional information | inactive towards synthetic arabinosides, p-nitrophenyl-alpha-L-arabinoside, arabinose disaccharide, arabinogalactan, stractan and xylan from oat spelts | Aspergillus niger | ? | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
- |
Aspergillus niger |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
up to, full retention of activity, sharp drop in activity beyond 50°C | Aspergillus niger |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5 | - |
- |
Aspergillus niger |