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Key Documents

49291

Sigma-Aldrich

Glucosidase from Aspergillus niger

powder, ≥750 U/g

Synonym(s):

Cellobiase

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About This Item

CAS Number:
EC Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54

form

powder

specific activity

≥750 U/g

storage temp.

2-8°C

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Biochem/physiol Actions

Glucosidase catalyzes the hydrolysis of α-1,4 linkages with a substrate preference for maltose, maltotriose and maltotetraose. Reactivity with large polysaccharides like dextrin and starch have also been described.
Glucosidase catalyzes the hydrolysis of α-1,4 linkages with a substrate preference for maltose, maltotriose and maltotetraose. Reactivity with large polysaccharides like dextrin and starch have also been described.

Unit Definition

1 U corresponds to the amount of enzyme which hydrolyzes 1 μmol p-nitrophenyl-β-D-glucopyranoside per minute at pH 4.0 and 37 °C; may contain α- and β-glucosidase

Other Notes

Characterization; Ethanol production from paper-mill waste fibre

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Resp. Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Substrate specificity and subsite affinities of crystalline α-glucosidase from Aspergillus niger
A. Kita et al
Agricultural and Biological Chemistry, 55, 2327-2335 (1991)
Action of α-D-glucosidase from Aspergillus niger towards dextrin and starch
M. Ota et al
Carbohydrate Polymers, 78, 287-291 (2009)
T Watanabe et al.
European journal of biochemistry, 209(2), 651-659 (1992-10-15)
Beta-glucosidase was purified from a crude cellulase preparation from Aspergillus niger by affinity chromatography on a methacrylamide-N-methylene-bis-methacrylamide copolymer bearing cellobiamine. The purified enzyme was a dimer with an isoelectric point of 4.0. The molecular mass of the enzyme was estimated
Xia, Z. et al.
Enzyme and Microbial Technology, 15, 62-62 (1993)
J H Pazur et al.
Carbohydrate research, 58(1), 193-202 (1977-09-01)
The action patterns of glucoamylase (amyloglucosidase) and glucosyltransferase (transglucosylase) on D-[1-14C]glucose, [1-14C]maltose, and [1-14C]malto-oligosaccharides (labeled at position 1 of the D-glucose group at the reducing end) have been investigated by paper-chromatographic and oligosaccharide-mapping techniques. Under the conditions of the experiments

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