KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | - |
Aspergillus niger |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
29000 | - |
gel filtration | Aspergillus niger |
60000 | - |
native PAGE | Aspergillus niger |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Aspergillus niger | - |
- |
- |
Purification (Comment) | Organism |
---|---|
native enzyme 26.2fold to homogeneity by several chromatographic steps, overview | Aspergillus niger |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
commercial preparation | crude enzyme extract | Aspergillus niger | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
25.29 | - |
purified enzyme | Aspergillus niger |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
desarabinosylated grape 3,6-galactan-protein + H2O | the enzyme liberates beta-1,6-D-galactobiose and galactose | Aspergillus niger | ? | - |
? | |
additional information | the enzyme does not cleave beta-D-1,3-galactosidic bonds | Aspergillus niger | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 60000, SDS-PAGE | Aspergillus niger |
Synonyms | Comment | Organism |
---|---|---|
endo-beta-(1-6)-D-galactanase | - |
Aspergillus niger |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
60 | - |
- |
Aspergillus niger |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
20 | 75 | activity range | Aspergillus niger |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
4 h, purified enzyme, 1 M acetate buffer, pH 4.2, completely stable | Aspergillus niger |
45 | - |
4 h, purified enzyme, 1 M acetate buffer, pH 4.2, 50% remaining activity | Aspergillus niger |
60 | - |
4 h, purified enzyme, 1 M acetate buffer, pH 4.2, 17% remaining activity | Aspergillus niger |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
3.5 | - |
- |
Aspergillus niger |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
2 | 7.5 | activity range, 85% of maximal activity at pH 2.5 | Aspergillus niger |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
2 | 7.5 | 2 h, 40°C, 50% remaining activity at pH 2.0 and at pH 7.5 | Aspergillus niger |