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Sigma-Aldrich

Cellulase from Aspergillus niger

powder, off-white, ~0.8 U/mg

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Synonym(s):
1,4-(1,3:1,4)-β-D-Glucan 4-glucanohydrolase
CAS Number:
9012-54-8
Enzyme Commission number:
3.2.1.4 (BRENDA, IUBMB)
EC Number:
232-734-4
MDL number:
MFCD00081510
NACRES:
NA.54

biological source

Aspergillus niger

form

powder

specific activity

~0.8 U/mg

color

off-white

storage temp.

2-8°C

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General description

Cellulase is a member of glycoside hydrolase family and is produced by a number of cellulolytic microbes.

Application

Cellulase from Aspergillus niger has been used:
  • in the preparation of the standardized solution to determine absolute cellulase levels
  • in phosphate-citric acid buffer for activity assay
  • in non-starch polysaccharide degrading enzyme cocktail for in vitro hydrolysis of defatted rice bran and in the approach to improve the nutritive value of poultry feed

Biochem/physiol Actions

Cellulase from Aspergillus niger catalyzes the hydrolysis of endo-1,4-β-D-glycosidic linkages in cellulose, lichenin, barley glucan, and the cellooligosaccharides cellotriose to cellohexaose. It does not cleave cellobiose or p-nitrophenyl-β-D-glucoside. This enzyme will also cleave intact glycosaminoglycan from a core peptide by hydrolyzing the xylosyl serine linkage.

Unit Definition

1 U corresponds to the amount of enzymes which liberates 1 μmol glucose from carboxymethylcellulose per minute at pH 5.0 and 37°C

Other Notes

View more information on enzymes for complex carbohydrate analysis at www.sigma-aldrich.com/enzymeexplorer

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H334

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

Regulatory Information

常规特殊物品

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P. Toussaint et al.
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