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Literature summary extracted from
- Purification and characterization of invertase from Aspergillus niger (1995), Curr. Microbiol., 31, 80-83.
No PubMed abstract available
Inhibitors
| EC Number | Inhibitors | Comment | Organism | Structure |
|---|---|---|---|---|
| 3.2.1.26 | Co2+ | - |
Aspergillus niger |  |
| 3.2.1.26 | Cu2+ | - |
Aspergillus niger | |
| 3.2.1.26 | Hg2+ | - |
Aspergillus niger | |
| 3.2.1.26 | K+ | - |
Aspergillus niger | |
| 3.2.1.26 | Mg2+ | - |
Aspergillus niger | |
| 3.2.1.26 | Na+ | - |
Aspergillus niger | |
| 3.2.1.26 | NO3- | - |
Aspergillus niger | |
| 3.2.1.26 | PCMB | 6 mM, complete inhibition | Aspergillus niger | |
| 3.2.1.26 | phosphate | - |
Aspergillus niger | |
| 3.2.1.26 | SO42- | - |
Aspergillus niger | |
KM Value [mM]
| EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|---|
| 3.2.1.26 | 0.0625 | - |
sucrose | - |
Aspergillus niger | |
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.26 | 47000 | - |
2 * 47000, SDS-PAGE | Aspergillus niger |
| 3.2.1.26 | 95000 | - |
gel filtration | Aspergillus niger |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 3.2.1.26 | Aspergillus niger | - |
- |
- |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 3.2.1.26 | - |
Aspergillus niger |
Specific Activity [micromol/min/mg]
| EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.26 | 96 | - |
- |
Aspergillus niger |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.2.1.26 | raffinose + H2O | - |
Aspergillus niger | fructose + melibiose | - |
? | |
| 3.2.1.26 | stachyose + H2O | - |
Aspergillus niger | ? | - |
? | |
| 3.2.1.26 | sucrose + H2O | - |
Aspergillus niger | D-fructose + D-glucose | - |
? | |
Subunits
| EC Number | Subunits | Comment | Organism |
|---|---|---|---|
| 3.2.1.26 | dimer | 2 * 47000, SDS-PAGE | Aspergillus niger |
Temperature Optimum [°C]
| EC Number | Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.26 | 60 | - |
- |
Aspergillus niger |
Temperature Range [°C]
| EC Number | Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.26 | 40 | 75 | about 35% of maximal activity at 40°C and at 75°C | Aspergillus niger |
pH Optimum
| EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|---|
| 3.2.1.26 | 4 | 7 | pH 4.0: about 60% of maximal activity, pH 7.0: about 25% of maximal activity | Aspergillus niger |
| 3.2.1.26 | 5 | - |
- |
Aspergillus niger |
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