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Literature summary extracted from

  • Fawzi, E.
    Comparative study of two purified inulinases from thermophile Thielavia terrestris NRRL 8126 and mesophile Aspergillus foetidus NRRL 337 grown on Cichorium intybus l (2011), Braz. J. Microbiol., 42, 633-649.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.2.2.18 additional information
-
additional information KM-value for inulin is 2.15 mg/ml Thermothielavioides terrestris
4.2.2.18 additional information
-
additional information KM-value for inulin is 3.45 mg/ml Aspergillus foetidus

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
4.2.2.18 soluble
-
Aspergillus foetidus
-
-
4.2.2.18 soluble
-
Thermothielavioides terrestris
-
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
4.2.2.18 72000
-
x * 72000, SDS-PAGE Thermothielavioides terrestris
4.2.2.18 78000
-
x * 78000, SDS-PAGE Aspergillus foetidus

Organism

EC Number Organism UniProt Comment Textmining
4.2.2.18 Aspergillus foetidus
-
growth on 4% Cichorium intybus root extract
-
4.2.2.18 Aspergillus foetidus NRRL 337
-
growth on 4% Cichorium intybus root extract
-
4.2.2.18 Thermothielavioides terrestris
-
growth on 4% Cichorium intybus root extract
-
4.2.2.18 Thermothielavioides terrestris NRRL 8126
-
growth on 4% Cichorium intybus root extract
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.2.2.18
-
Aspergillus foetidus
4.2.2.18
-
Thermothielavioides terrestris

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.2.2.18 100.9
-
pH 6.0, 440°C Aspergillus foetidus
4.2.2.18 254.9
-
pH 6.0, 440°C Thermothielavioides terrestris

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.2.2.18 inulin
-
Aspergillus foetidus di-D-fructofuranose 1,2':2,3' dianhydride + ?
-
?
4.2.2.18 inulin
-
Thermothielavioides terrestris di-D-fructofuranose 1,2':2,3' dianhydride + ?
-
?
4.2.2.18 inulin
-
Aspergillus foetidus NRRL 337 di-D-fructofuranose 1,2':2,3' dianhydride + ?
-
?
4.2.2.18 inulin
-
Thermothielavioides terrestris NRRL 8126 di-D-fructofuranose 1,2':2,3' dianhydride + ?
-
?

Subunits

EC Number Subunits Comment Organism
4.2.2.18 ? x * 78000, SDS-PAGE Aspergillus foetidus
4.2.2.18 ? x * 72000, SDS-PAGE Thermothielavioides terrestris

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
4.2.2.18 50
-
-
Aspergillus foetidus
4.2.2.18 75
-
-
Thermothielavioides terrestris

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.2.2.18 4.5
-
-
Thermothielavioides terrestris
4.2.2.18 5.5
-
-
Aspergillus foetidus

Expression

EC Number Organism Comment Expression
4.2.2.18 Aspergillus foetidus highest production levels of inulinase at 50°C, growth on yeast extract and peptone as nitrogen sources up
4.2.2.18 Thermothielavioides terrestris highest production levels of inulinase at 50°C, growth on yeast extract and peptone as nitrogen sources up