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Literature summary extracted from

  • Motoda, S.
    Purification and some properties of polyphenol oxidase from Alternaria tenuis (1979), J. Ferment. Technol., 57, 71-78.
    View publication on PubMed

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.10.3.1 88000
-
gel filtration Alternaria alternata

Organism

EC Number Organism UniProt Comment Textmining
1.10.3.1 Alternaria alternata
-
-
-
1.10.3.1 Alternaria alternata A-2
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.10.3.1 ammonium sulfate, DEAE-cellulose, DEAE-Sephadex, hydroxyapatite, electrofocusing Alternaria alternata

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.10.3.1 culture filtrate
-
Alternaria alternata
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.10.3.1 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]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.10.3.1 30 40
-
Alternaria alternata

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
1.10.3.1 10 45
-
Alternaria alternata

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
1.10.3.1 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

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.10.3.1 4.7
-
-
Alternaria alternata

pH Range

EC Number pH Minimum pH Maximum Comment Organism
1.10.3.1 4 5.8
-
Alternaria alternata

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
1.10.3.1 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