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Dextranase (Chaetomium sp.)

Product code: E-DEXT
€106.00

320,000 Units at 40oC

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Content: 320,000 Units at 40oC
Shipping Temperature: Ambient
Storage Temperature: 2-8oC
Formulation: In 50% (v/v) glycerol
Physical Form: Solution
Stability: > 4 years at 4oC
Enzyme Activity: endo-Dextranase
EC Number: 3.2.1.11
CAZy Family: Other, Non-classified sequences
CAS Number: 9025-70-1
Synonyms: endo-dextranase; α-D-1,6-glucan-6-glucanohydrolase; 1,6-α-D-glucan 6-glucanohydrolase
Source: Chaetomium sp.
Molecular Weight: 66,000
Concentration: Supplied at ~ 8,000 U/mL
Expression: Purified from Chaetomium sp.
Specificity: Hydrolysis of α-1,6 glucosidic linkages in dextran.
Specific Activity: ~ 490 U/mg protein at pH 5.0 and 40oC;
~ 607 U/mg protein at pH 5.0 and 50oC
Unit Definition: One Unit of dextranase activity is defined as the amount of enzyme required to release one µmole of reducing-sugar equivalents from Dextran B512 per minute under the conditions stated.
Temperature Optima: 60oC
pH Optima: 5
Application examples: For use in research.

High purity Dextranase (Chaetomium sp.) for use in research, biochemical enzyme assays and in vitro diagnostic analysis.

See entire list of Carbohydrate Active enZYmes.

Documents
Certificate of Analysis
Safety Data Sheet
Data Sheet
Publications
Publication

Detailed structural characterization of glucans produced by glucansucrases from Leuconostoc citreum TMW 2.1194.

Münkel, F., Bechtner, J., Eckel, V., Fischer, A., Herbi, F., Jakob, F. & Wefers, D. (2019). Journal of Agricultural and Food Chemistry, 67(24), 6856-6866.

The water kefir organism Leuconostoc citreum TMW 2.1194 forms highly branched dextrans with O3- and O4-bound side chains. To obtain detailed information on the enzymatic synthesis of these polymers, the four glucansucrases encoded by Leuconostoc citreum TMW 2.1194 were cloned, heterologously expressed, and used for polysaccharide production. Molecular and macromolecular structure of the synthesized glucans were analyzed by methylation analysis, two-dimensional NMR spectroscopy, oligosaccharide analysis after partial hydrolysis, and asymmetric flow field-flow fractionation. It was demonstrated that two glucansucrases form insoluble glucans with variously branched dextran sections and varying portions of consecutive, 1,3-linked glucose units. In contrast, the other two glucansucrases synthesized O3-(Lc6255) and O4-branched (Lc1785) soluble dextrans. Analysis, isolation, and characterization of enzymatically liberated oligosaccharides showed that monomeric and elongated side chains are abundant in both polysaccharides. From the structures and size distributions it was concluded that Lc1785 is mainly responsible for synthesis of fermentatively produced soluble dextrans.

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Safety Information
Symbol : GHS08
Signal Word : Danger
Hazard Statements : H334
Precautionary Statements : P261, P284, P304+P340, P342+P311, P501
Safety Data Sheet
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