ROAMYGL
Roche
Amyloglucosidase
from Aspergillus niger
Synonyme(s) :
Glucoamylase, disaccharidase-type-α-D-glucosidase
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About This Item
Produits recommandés
Source biologique
Aspergillus niger
Niveau de qualité
Forme
suspension
Activité spécifique
~14 units/mg protein (At 25 °C with glycogen as the substrate; standardized with BSA.)
Poids mol.
Mr 97 kDa
Conditionnement
pkg of 10 mL (10102857001 [100 mg])
Fabricant/nom de marque
Roche
Paramètres
55 °C optimum reaction temp.
pH optimal
4.6-4.8
Température de stockage
2-8°C
Catégories apparentées
Description générale
Amyloglucosidase is synthesized by several Aspergillus genus species. It is a disaccharidase–type α-glucosidase. This enzyme is an exo-enzyme and one of the major industrial enzymes. The stability of amyloglucosidase can be increased by immobilization.
Spécificité
Cleaves terminal glucoses that are α1,4- or α1,6-linked to an oligo- or polysaccharide of multiple glucose units. The product is D-glucose.
Heat inactivation: Heat inactivation is recommended at 80 °C for 45 minutes, followed by rapidly cooling down.
Heat inactivation: Heat inactivation is recommended at 80 °C for 45 minutes, followed by rapidly cooling down.
Application
Amyloglucosidase from Aspergillus niger can be used for the hydrolyzation of terminal α1,4- and α1,6-glucosidic bonds (glucose-glucose bonds) in polysaccharides (e.g., starch, dextrins, glycogen), removing glucose units sequentially from the non-reducing end of the molecule. The enzyme will also cleave maltose and maltosides (maltotriose, maltotetraose, etc.).
Actions biochimiques/physiologiques
Amyloglucosidase from Aspergillus niger is capable of hydrolyzing the α-D-(1-4), the α-D-(1-6), and the α-D-(1-3) glucosidic bonds of oligosaccharides. Amyloglucosidase is an extracellular enzyme that converts starch to dextrins and glucose. The enzyme is used in the starch-processing industry for the commercial production of D-glucose from corn syrups.
Définition de l'unité
Unit Conversion: One unit (+25 °C; glycogen as substrate) corresponds to 8.6 U (+60 °C; starch as substrate).
Forme physique
Suspension in 3.2 M ammonium sulfate solution, pH approximately 6
Autres remarques
For life science research only. Not for use in diagnostic procedures.
Code de la classe de stockage
12 - Non Combustible Liquids
Classe de danger pour l'eau (WGK)
WGK 1
Point d'éclair (°F)
does not flash
Point d'éclair (°C)
does not flash
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Les clients ont également consulté
A A Amirul et al.
Folia microbiologica, 41(2), 165-174 (1996-01-01)
A. niger produced alpha-glucosidase, alpha-amylase and two forms of glucoamylase when grown in a liquid medium containing raw tapioca starch as the carbon source. The glucoamylases, which formed the dominant components of amylolytic activity manifested by the organism, were purified
High-potency amyloglucosidase-producing mold of the Aspergillus niger group.
Smiley KL, et al.
Applied Microbiology, 12(5), 455-455 (1964)
Recent Advances in Basic and Applied Aspects of Industrial Catalysis (1998)
Recent Advances in Basic and Applied Aspects of Industrial Catalysis (1998)
M Ramadas et al.
World journal of microbiology & biotechnology, 12(3), 267-271 (1996-05-01)
Amyloglucosidase (AMG) was produced by Aspergillus niger in solid-state fermentation (SSF), submerged fermentation (SmF) and an aqueous, two-phase system of polyethyleneglycol (PEG) and salt. In SSF, a fed-batch mode of operation gave a yield of 64 U/ml compared with 44
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