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Literature summary extracted from
- Influence of environmental conditions on thermal stability of recombinant Aspergillus aculeatus pectinmethylesterase (2008), Food Chem., 111, 912-920.
Molecular Weight [Da]
| EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|---|
| 3.1.1.11 | 41000 | - |
SDS-PAGE | Aspergillus aculeatus |
Organism
| EC Number | Organism | UniProt | Comment | Textmining |
|---|---|---|---|---|
| 3.1.1.11 | Aspergillus aculeatus | - |
- |
- |
Purification (Commentary)
| EC Number | Purification (Comment) | Organism |
|---|---|---|
| 3.1.1.11 | Superdex-75 gel filtration | Aspergillus aculeatus |
Substrates and Products (Substrate)
| EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|---|
| 3.1.1.11 | pectin + H2O | - |
Aspergillus aculeatus | methanol + pectate | - |
? |  |
Synonyms
| EC Number | Synonyms | Comment | Organism |
|---|---|---|---|
| 3.1.1.11 | Novoshape | commercial preparation | Aspergillus aculeatus |
| 3.1.1.11 | pectinmethylesterase | - |
Aspergillus aculeatus |
| 3.1.1.11 | PME | - |
Aspergillus aculeatus |
Temperature Stability [°C]
| EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|---|
| 3.1.1.11 | 55 | 60 | at pH 5.0 and a high ionic strength (0.5 M), the enzyme shows a high thermostability (inactivation at temperatures above 60°C), an enhancement of its heat stability is observed at pH 7.0 and temperatures above 55°C, addition of NaCl increases the thermal stability at pH 5.0 and 7.0, while addition of CaCl2 has no influence, regarding the thermal stability in the presence of NaCl at neutral pH, there is complete inactivation at 65°C and no increase of stability at temperatures above 65°C, adding sugars and adding polyols has a positive effect on heat stability | Aspergillus aculeatus |
pH Stability
| EC Number | pH Stability | pH Stability Maximum | Comment | Organism |
|---|---|---|---|---|
| 3.1.1.11 | 5 | 7 | at both sides of this pH range the stability decreases slightly | Aspergillus aculeatus |
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Release 2023.1 (January 2023)
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