Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 3.2.1.3 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

Activating Compound Comment Organism Structure
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

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

KM Value [mM]

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

Natural Substrates/ Products (Substrates)

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

Organism

Organism UniProt Comment Textmining
Aspergillus niger
-
-
-
Aspergillus niger NIAB 280
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
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]

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

Substrates and Products (Substrate)

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

Synonyms

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

Temperature Optimum [°C]

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

Temperature Stability [°C]

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

pH Optimum

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