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Literature summary for 3.2.1.7 extracted from

  • Gill, P.K.; Manhas, R.K.; Singh, P.
    Comparative analysis of thermostability of extracellular inulinase activity from Aspergillus fumigatus with commercially available (Novozyme) inulinase (2006), Biores. Technol., 97, 355-358.
    View publication on PubMed

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Aspergillus fumigatus
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
66000
-
isoform II Aspergillus fumigatus
200000
-
isoform I Aspergillus fumigatus

Organism

Organism UniProt Comment Textmining
Aspergillus fumigatus
-
MTCC No. 3009
-

Purification (Commentary)

Purification (Comment) Organism
ammonium sulfate precipitation Aspergillus fumigatus

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
23
-
2.5 mM inulin, 50 mM sodium acetate buffer, pH 5.5, 60°C, 1 h Aspergillus fumigatus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
inulin + H2O
-
Aspergillus fumigatus D-fructose + fructo-oligosaccharides
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
60
-
-
Aspergillus fumigatus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
additional information
-
presence of inulin decreases thermostability Aspergillus fumigatus
60
-
crude enzyme, 69.6% of original activity after 72 h Aspergillus fumigatus
60
-
purified isoenzyme I, 20% of original activity after 2 h in presence of inulin Aspergillus fumigatus
60
-
purified isoenzyme I, 40% of original activity after 72 h Aspergillus fumigatus
60
-
purified isoenzyme II, 34.4% of original activity after 72 h Aspergillus fumigatus
60
-
purified isoenzyme II, 76.6% of original activity after 2 h in presence of inulin Aspergillus fumigatus
70
-
isoenzyme II more stable than isoenzyme I Aspergillus fumigatus