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Literature summary extracted from

  • Ishii, S.; Yokotsuka, T.
    Purification and properties of pectin lyase from Aspergillus japonicus (1975), Agric. Biol. Chem., 39, 313-321.
No PubMed abstract available

General Stability

EC Number General Stability Organism
4.2.2.10 in dilute solutions, below 0.010 mg/ml, unstable at 4°C and -15°C Aspergillus japonicus

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.2.2.10 Iodine
-
Aspergillus japonicus
4.2.2.10 N-bromosuccinimide
-
Aspergillus japonicus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.2.2.10 additional information
-
additional information
-
Aspergillus japonicus

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
4.2.2.10 Ca2+ stimulates Aspergillus japonicus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
4.2.2.10 32000
-
gel filtration Aspergillus japonicus

Organism

EC Number Organism UniProt Comment Textmining
4.2.2.10 Aspergillus japonicus
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.2.2.10
-
Aspergillus japonicus

Storage Stability

EC Number Storage Stability Organism
4.2.2.10 in the frozen state, stable for several months Aspergillus japonicus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.2.2.10 additional information the enzyme is able to macerate parenchymateous tissues, in which onion tissue is the most susceptible to be attacked by the enzyme Aspergillus japonicus ?
-
?
4.2.2.10 pectin
-
Aspergillus japonicus ?
-
?
4.2.2.10 polymethyl polygalacturonate methyl glycoside
-
Aspergillus japonicus ?
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
4.2.2.10 55
-
assay of 10 min Aspergillus japonicus

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
4.2.2.10 30 65 30°C: about 45% of maximal activity, 65°C: about 35% of maximal activity Aspergillus japonicus

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
4.2.2.10 30
-
pH 4-5, stable Aspergillus japonicus
4.2.2.10 50
-
2 h, 25% loss of activity Aspergillus japonicus
4.2.2.10 60
-
60 min, complete loss of activity Aspergillus japonicus
4.2.2.10 70
-
10 min, complete loss of activity Aspergillus japonicus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.2.2.10 6
-
pectin, Ca2+ shifts the pH-optimum to pH 7.0 Aspergillus japonicus
4.2.2.10 7
-
polymethyl polygalacturonate methyl glycoside Aspergillus japonicus

pH Range

EC Number pH Minimum pH Maximum Comment Organism
4.2.2.10 additional information
-
-
Aspergillus japonicus

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
4.2.2.10 4 5 30°C, stable Aspergillus japonicus