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Literature summary extracted from

  • Aoki, H.; Yopi; Sakano, Y.
    Molecular cloning and heterologous expression of the isopullulanase gene from Aspergillus niger A.T.C.C. 9642 (1997), Biochem. J., 323, 757-764.
    View publication on PubMedView publication on EuropePMC

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.57 cell bound
-
Aspergillus niger
-
-
3.2.1.57 extracellular
-
Aspergillus niger
-
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.57 59000
-
-
Aspergillus niger
3.2.1.57 91000
-
recombinant enzyme, SDS-PAGE Aspergillus niger

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.57 pullulan + H2O Aspergillus niger
-
isopanose + (Glc)4
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.57 Aspergillus niger
-
ATCC 9642, IPU F1 and IPU F2
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.2.1.57 glycoprotein N-glycosylated Aspergillus niger

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.57
-
Aspergillus niger

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.57 panose + H2O
-
Aspergillus niger isomaltose + glucose
-
?
3.2.1.57 pullulan + H2O
-
Aspergillus niger isopanose + (Glc)4
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.57 40 45 recombinant enzyme Aspergillus niger

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.57 3.5
-
recombinant enzyme Aspergillus niger

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.2.1.57 3 7 recombinant enzyme, at 4°C 12 h Aspergillus niger