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Literature summary for 3.2.1.15 extracted from

  • Sakai, T.; Takaoka, A.
    Purification, crystallization, and some properties of endo-polygalacturonase from Aureobasidium pullulans (1985), Agric. Biol. Chem., 49, 449-458.
No PubMed abstract available

Crystallization (Commentary)

Crystallization (Comment) Organism
-
Aureobasidium pullulans

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
42000
-
x * 42000, calculation from amino acid composition Aureobasidium pullulans

Organism

Organism UniProt Comment Textmining
Aureobasidium pullulans
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Aureobasidium pullulans

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Aureobasidium pullulans

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information the enzyme has low protopectinase activity Aureobasidium pullulans ?
-
?
polygalacturonate + H2O
-
Aureobasidium pullulans oligogalacturonates
-
?

Subunits

Subunits Comment Organism
? x * 42000, calculation from amino acid composition Aureobasidium pullulans

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50 60
-
Aureobasidium pullulans

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
37 65 about 50% of maximal activity at 37°C and at 65°C Aureobasidium pullulans

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
pH 5.0, 30 min, stable below Aureobasidium pullulans
75
-
pH 5.0, 30 min, enzyme loses most of its activity Aureobasidium pullulans

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.5
-
-
Aureobasidium pullulans

pH Range

pH Minimum pH Maximum Comment Organism
4 6 pH 4.0: about 40% of maximal activity, pH 6.0: about 25% of maximal activity Aureobasidium pullulans

pH Stability

pH Stability pH Stability Maximum Comment Organism
4 6 37°C, 30 min, stable Aureobasidium pullulans