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Literature summary extracted from

  • Matsuyama, T.; Tanaka, K.
    On the enzyme of Aspergillus fumigatus producing difructose anhydride I from inulobiose (1989), Agric. Biol. Chem., 53, 831-832.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.2.1.179 Co2+
-
 Aspergillus fumigatus
4.2.1.179 Cu2+
-
 Aspergillus fumigatus
4.2.1.179 DTT slight Aspergillus fumigatus
4.2.1.179 L-cysteine
-
 Aspergillus fumigatus
4.2.1.179 Zn2+
-
 Aspergillus fumigatus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.2.1.179 241
-
 bis-D-fructose 2',1:2,1' dianhydride pH 6, 37°C Aspergillus fumigatus
4.2.1.179 377
-
 Inulobiose pH 6, 37°C Aspergillus fumigatus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
4.2.1.179 inulobiose Aspergillus fumigatus might act as a regulator for a piecemeal use of inulin as a carbon source bis-D-fructose 2',1:2,1' dianhydride + H2O
-
 r

Organism

EC Number Organism UniProt Comment Textmining
4.2.1.179 Aspergillus fumigatus
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
4.2.1.179 mycelium
-
 Aspergillus fumigatus
-

Storage Stability

EC Number Storage Stability Organism
4.2.1.179 under toluene in the refrigerator at pH 6.0, stable for several months Aspergillus fumigatus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.2.1.179 inulobiose
-
 Aspergillus fumigatus bis-D-fructose 2',1:2,1' dianhydride + H2O
-
 r
4.2.1.179 inulobiose might act as a regulator for a piecemeal use of inulin as a carbon source Aspergillus fumigatus bis-D-fructose 2',1:2,1' dianhydride + H2O
-
 r

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
4.2.1.179 48
-
-
 Aspergillus fumigatus

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
4.2.1.179 50
-
 stable up to 50°C at pH 6 Aspergillus fumigatus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.2.1.179 6
-
-
 Aspergillus fumigatus

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
4.2.1.179 6 8.6 stable at 37°C Aspergillus fumigatus