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Literature summary for 3.2.1.91 extracted from

  • Singh, A.; Agrawal, A.K.; Abidi, A.B.; Darmwal, N.S.
    Properties of exoglucanase from Aspergillus niger (1990), J. Gen. Appl. Microbiol., 36, 245-253.
No PubMed abstract available

General Stability

General Stability Organism
glycerol stabilizes Aspergillus niger

Inhibitors

Inhibitors Comment Organism Structure
EDTA slight Aspergillus niger
Hg2+
-
Aspergillus niger
kanamycin
-
Aspergillus niger
neomycin
-
Aspergillus niger
Pb2+
-
Aspergillus niger
PCMB
-
Aspergillus niger
suramin slight Aspergillus niger
viomycin
-
Aspergillus niger

Metals/Ions

Metals/Ions Comment Organism Structure
Co2+ activates Aspergillus niger
Mn2+ activates Aspergillus niger

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
52500
-
gel filtration Aspergillus niger

Organism

Organism UniProt Comment Textmining
Aspergillus niger
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Aspergillus niger

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.9
-
-
Aspergillus niger

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
cellulose + H2O
-
Aspergillus niger cellobiose + D-glucose + cellotriose
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
Aspergillus niger

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.5
-
-
Aspergillus niger

pH Range

pH Minimum pH Maximum Comment Organism
4 6
-
Aspergillus niger