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Literature summary extracted from

  • Rajoka, M.I.; Yasmeen, A.
    Induction, and production studies of a novel glucoamylase of Aspergillus niger (2005), World J. Microbiol. Biotechnol., 21, 179-187.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.2.1.3 additional information wheat bran, rice bran, and cellulose highly induce enzyme expression, maltose, cello-dextrins, cellulose, and cellulose- and hemicellulose-containing substrates also induce the enzyme to a lesser extent, induction mechanism, overview Aspergillus niger

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.3 additional information glucose, cycloheximide, and actinomycin D nearly completely suppresses enzyme expression, repression mechanism, overview Aspergillus niger

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.3 additional information
-
 additional information kinetics and thermodynamics, substrate specificity for fermentation Aspergillus niger

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.3 additional information Aspergillus niger regulation mechanisms of enzyme expression, overview ?
-
 ?
3.2.1.3 additional information Aspergillus niger NIAB 280 regulation mechanisms of enzyme expression, overview ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.3 Aspergillus niger
-
-
-
3.2.1.3 Aspergillus niger NIAB 280
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.3 additional information optimization of growth conditions, enzyme expression depends on carbon source for growth, glucose nearly completely suppresses enzyme expression, while wheat bran, rice bran, and cellulose induce it, the enzyme prefers monosaccharides to disaccharides for growth, overview Aspergillus niger
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.3 additional information
-
-
 Aspergillus niger

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.3 additional information regulation mechanisms of enzyme expression, overview Aspergillus niger ?
-
 ?
3.2.1.3 additional information regulation mechanisms of enzyme expression, overview Aspergillus niger NIAB 280 ?
-
 ?

Synonyms

EC Number Synonyms Comment Organism
3.2.1.3 alpha-1,4-glucan glucohydrolase
-
 Aspergillus niger
3.2.1.3 amyloglucosidase
-
 Aspergillus niger
3.2.1.3 GAM
-
 Aspergillus niger
3.2.1.3 glucoamylase
-
 Aspergillus niger

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.3 additional information
-
 optimal temperature for growth and enzyme production is 30°C Aspergillus niger

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.3 additional information
-
 inactivation kinetics Aspergillus niger

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.3 additional information
-
 optimal pH for growth and enzyme production is pH 6.5 Aspergillus niger