Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
31000 | - |
xylanase II, gel filtration | Aspergillus niger |
50000 | - |
xylanase IA and IB, gel filtration | Aspergillus niger |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Aspergillus niger | - |
- |
- |
Purification (Comment) | Organism |
---|---|
xylanases: Ia, Ib, IIA, IIB, IIC and IID | Aspergillus niger |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
1,4-beta-D-xylan + H2O | larchwood xylan | Aspergillus niger | additional information | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
50 | - |
xylanase II | Aspergillus niger |
65 | 80 | xylanase IA and IB | Aspergillus niger |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
40 | - |
15 min, significant inactivation | Aspergillus niger |
80 | - |
15 min, xylanase IA and Ib are rapidly inactivated above, xylanase II is completly inactivated | Aspergillus niger |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
4 | - |
xylanase IIa, IIB and IIC | Aspergillus niger |
4 | 4.5 | xylanase Ib | Aspergillus niger |
5.5 | 6 | xylanase IA | Aspergillus niger |
6 | 6.5 | xylanase IID | Aspergillus niger |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
3 | 8 | pH 3.0: about 90% of maximal activity, pH 8.0: about 25% of maximal activity, xylanase IB | Aspergillus niger |
3.5 | 8 | pH 3.5: about 70% of maximal activity, pH 8.0: about 30% of maximal activity, xylanase IA | Aspergillus niger |