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Literature summary for 3.2.1.132 extracted from

  • Chiang, C.L.; Chang, Y.M.; Chang, C.T.; Sung, H.Y.
    Characterization of a chitosanase isolated from a commercial ficin preparation (2005), J. Agric. Food Chem., 53, 7579-7585.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
2,4-dinitro-1-fluorbenzene 5 mM, 24% inhibition Ficus sp.
N-bromosuccinimide 0.25 mM, 96% loss of activity Ficus sp.

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
16600
-
gel filtration Ficus sp.

Organism

Organism UniProt Comment Textmining
Ficus sp.
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Ficus sp.

Source Tissue

Source Tissue Comment Organism Textmining
commercial preparation
-
Ficus sp.
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Ficus sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
chitosan + H2O most effectively hydrolyzes chitosan polymers that are 52-70% deacetylated Ficus sp. low molecular weight chitosan polymers + chitosan oligomers
-
?

Subunits

Subunits Comment Organism
monomer
-
Ficus sp.

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
65
-
-
Ficus sp.

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
70
-
30 min, enzyme retains almost all of its activity Ficus sp.
75
-
30 min, about 35% loss of activity Ficus sp.
80
-
5 min, about 70% loss of activity Ficus sp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.5
-
-
Ficus sp.