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Literature summary for 4.2.1.179 extracted from
- On the enzyme of Aspergillus fumigatus producing difructose anhydride I from inulobiose (1989), Agric. Biol. Chem., 53, 831-832.
No PubMed abstract available
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| Co2+ | - |
Aspergillus fumigatus |  |
| Cu2+ | - |
Aspergillus fumigatus | |
| DTT | slight | Aspergillus fumigatus | |
| L-cysteine | - |
Aspergillus fumigatus | |
| Zn2+ | - |
Aspergillus fumigatus | |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 241 | - |
bis-D-fructose 2',1:2,1' dianhydride | pH 6, 37°C | Aspergillus fumigatus | |
| 377 | - |
Inulobiose | pH 6, 37°C | Aspergillus fumigatus | |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| inulobiose | Aspergillus fumigatus | might act as a regulator for a piecemeal use of inulin as a carbon source | bis-D-fructose 2',1:2,1' dianhydride + H2O | - |
r | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Aspergillus fumigatus | - |
- |
- |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| mycelium | - |
Aspergillus fumigatus | - |
Storage Stability
| Storage Stability | Organism |
|---|---|
| under toluene in the refrigerator at pH 6.0, stable for several months | Aspergillus fumigatus |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| inulobiose | - |
Aspergillus fumigatus | bis-D-fructose 2',1:2,1' dianhydride + H2O | - |
r | |
| inulobiose | might act as a regulator for a piecemeal use of inulin as a carbon source | Aspergillus fumigatus | bis-D-fructose 2',1:2,1' dianhydride + H2O | - |
r | |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 48 | - |
- |
Aspergillus fumigatus |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 50 | - |
stable up to 50°C at pH 6 | Aspergillus fumigatus |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 6 | - |
- |
Aspergillus fumigatus |
pH Stability
| pH Stability | pH Stability Maximum | Comment | Organism |
|---|---|---|---|
| 6 | 8.6 | stable at 37°C | Aspergillus fumigatus |
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