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Literature summary for 1.10.3.1 extracted from
- Purification and some properties of polyphenol oxidase from Alternaria tenuis (1979), J. Ferment. Technol., 57, 71-78.
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 88000 | - |
gel filtration | Alternaria alternata |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Alternaria alternata | - |
- |
- |
| Alternaria alternata A-2 | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| ammonium sulfate, DEAE-cellulose, DEAE-Sephadex, hydroxyapatite, electrofocusing | Alternaria alternata |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| culture filtrate | - |
Alternaria alternata | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| additional information | - |
46000 units/mg, 1 unit is defined as absorbance change at 420 nm of 0.001 per min | Alternaria alternata |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 30 | 40 | - |
Alternaria alternata |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 10 | 45 | - |
Alternaria alternata |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 35 | - |
stable below 35°C, 50% inactivation after 30 min at 44°C, almost complete loss of activity at 60°C | Alternaria alternata |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 4.7 | - |
- |
Alternaria alternata |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 4 | 5.8 | - |
Alternaria alternata |
pH Stability
| pH Stability | pH Stability Maximum | Comment | Organism |
|---|---|---|---|
| 4.6 | 6.3 | unstable below pH 3.0 and above pH 6.6, loss of 50% activity at both pH 2.4 and pH 7.0 | Alternaria alternata |
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