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Literature summary for 3.2.1.132 extracted from

  • Moder, W.; Bunk, A.; Albrecht, A.; Doostdar, H.; Niedz, R.P.; McDonald, R.E.; Mayer, R.T.; Osswald, W.F.
    Characterization of acidic chitinases from culture medium of sweet orange callus tissue (1999), J. Plant Physiol., 154, 296-301.
No PubMed abstract available
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Inhibitors

Inhibitors Comment Organism Structure
Cu2+
-
 Aspergillus fumigatus
Hg2+
-
 Aspergillus fumigatus

Metals/Ions

Metals/Ions Comment Organism Structure
Mn2+ increases the activities of both isoforms Aspergillus fumigatus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
22500
-
 chitosanase I Aspergillus fumigatus
108000
-
 chitosanase II Aspergillus fumigatus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
chitosan + H2O Aspergillus fumigatus
-
 ?
-
 ?
chitosan + H2O Aspergillus fumigatus KH-94
-
 ?
-
 ?

Organism

Organism UniProt Comment Textmining
Aspergillus fumigatus
-
 KH-94
-
Aspergillus fumigatus KH-94
-
 KH-94
-

Purification (Commentary)

Purification (Comment) Organism
-
 Aspergillus fumigatus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
chitobiose + H2O chitosanase II Aspergillus fumigatus glucosamine
-
 ?
chitohexaose + H2O chitosanase I Aspergillus fumigatus additional information
-
 ?
chitohexaose + H2O chitosanase I Aspergillus fumigatus KH-94 additional information
-
 ?
chitopentaose + H2O chitosanase I Aspergillus fumigatus additional information
-
 ?
chitopentaose + H2O chitosanase I Aspergillus fumigatus KH-94 additional information
-
 ?
chitosan + H2O
-
 Aspergillus fumigatus ?
-
 ?
chitosan + H2O
-
 Aspergillus fumigatus KH-94 ?
-
 ?
chitosan + H2O
-
 Aspergillus fumigatus additional information
-
 ?
chitosan + H2O
-
 Aspergillus fumigatus KH-94 additional information
-
 ?
glycol chitosan + H2O
-
 Aspergillus fumigatus ?
-
 ?
glycol chitosan + H2O
-
 Aspergillus fumigatus KH-94 ?
-
 ?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50 60 chitosanase II Aspergillus fumigatus
70 80 chitosanase I Aspergillus fumigatus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.5 5.5 chitosanase II Aspergillus fumigatus
5.5
-
 chitosanase I Aspergillus fumigatus

pI Value

Organism Comment pI Value Maximum pI Value
Aspergillus fumigatus chitosanase II
-
 4.8
Aspergillus fumigatus chitosanase I 7.4 7.3