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Literature summary extracted from

  • Rudick, M.J.; Fitzgerald, Z.E.; Rudick, V.L.
    Intra- and extracellular forms of alpha-glucosidase from Aspergillus niger (1979), Arch. Biochem. Biophys., 193, 509-520.
    View publication on PubMed

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.20 1.04
-
 maltose intracellular enzyme Aspergillus niger
3.2.1.20 1.49
-
 p-nitrophenyl-alpha-D-glucopyranoside intracellular enzyme Aspergillus niger
3.2.1.20 1.85
-
 maltose extracellular enzyme Aspergillus niger
3.2.1.20 2.22
-
 maltose extracellular enzyme Aspergillus niger

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.20 extracellular
-
 Aspergillus niger
-
-
3.2.1.20 intracellular
-
 Aspergillus niger 5622
-

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.20 Aspergillus niger
-
-
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.2.1.20 glycoprotein the intracellular enzyme contains 29 mol of mannose and 6 mol of glucosamine per mol of enzyme Aspergillus niger

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.20 1.405
-
-
 Aspergillus niger

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.20 5
-
-
 Aspergillus niger