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endo-1,3-β-D-Glucanase (barley)

Product code: E-LAMHV

5,000 Units

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Content: 5,000 Units
Shipping Temperature: Ambient
Storage Temperature: Below -10oC
Formulation: In 50% (v/v) glycerol
Physical Form: Solution
Stability: Minimum 1 year at < -10oC. Check vial for details.
Enzyme Activity: endo-1,3-β-Glucanase
EC Number:
CAZy Family: GH17
CAS Number: 9025-37-0
Synonyms: glucan endo-1,3-beta-D-glucosidase; 3-beta-D-glucan glucanohydrolase
Source: Hordeum vulgare
Molecular Weight: 34,100
Concentration: Supplied at ~ 2,100 U/mL
Expression: Recombinant from Hordeum vulgare
Specificity: endo-hydrolysis of (1,3)-β-D-glucosidic linkages in (1,3)-β-D-glucans.
Specific Activity: ~ 100 U/mg (40oC, pH 5.0 on laminarin)
Unit Definition: One Unit of endo-1,3-β-D-Glucanase activity is defined as the amount of enzyme required to release one µmole of glucose-reducing-sugar equivalents per minute in the presence of laminarin (10 mg/mL) in sodium acetate buffer (100mM), pH 5.0 at 40oC.
Temperature Optima: 50oC
pH Optima: 5
Application examples: Applications in carbohydrate and biofuels research and in the food and feeds industries.

High purity recombinant endo-1,3-β-Glucanase (barley) for use in research, biochemical enzyme assays and in vitro diagnostic analysis.

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Data Sheet

Analysis and application of a suite of recombinant endo-β (1, 3)-D-glucanases for studying fungal cell walls.

Carvalho, V. S., Gómez-Delgado, L., Curto, M. Á., Moreno, M. B., Pérez, P., Ribas, J. C. & Cortés, J. C. G. (2021). Microbial Cell Factories, 20(1), 1-16.

Background: The fungal cell wall is an essential and robust external structure that protects the cell from the environment. It is mainly composed of polysaccharides with different functions, some of which are necessary for cell integrity. Thus, the process of fractionation and analysis of cell wall polysaccharides is useful for studying the function and relevance of each polysaccharide, as well as for developing a variety of practical and commercial applications. This method can be used to study the mechanisms that regulate cell morphogenesis and integrity, giving rise to information that could be applied in the design of new antifungal drugs. Nonetheless, for this method to be reliable, the availability of trustworthy commercial recombinant cell wall degrading enzymes with non-contaminating activities is vital. Results: Here we examined the efficiency and reproducibility of 12 recombinant endo-β(1,3)-D-glucanases for specifically degrading the cell wall β(1,3)-D-glucan by using a fast and reliable protocol of fractionation and analysis of the fission yeast cell wall. This protocol combines enzymatic and chemical degradation to fractionate the cell wall into the four main polymers: galactomannoproteins, α-glucan, β(1,3)-D-glucan and β(1,6)-D-glucan. We found that the GH16 endo-β(1,3)-D-glucanase PfLam16A from Pyrococcus furiosus was able to completely and reproducibly degrade β(1,3)-D-glucan without causing the release of other polymers. The cell wall degradation caused by PfLam16A was similar to that of Quantazyme, a recombinant endo-β(1,3)-D-glucanase no longer commercially available. Moreover, other recombinant β(1,3)-D-glucanases caused either incomplete or excessive degradation, suggesting deficient access to the substrate or release of other polysaccharides. Conclusions: The discovery of a reliable and efficient recombinant endo-β(1,3)-D-glucanase, capable of replacing the previously mentioned enzyme, will be useful for carrying out studies requiring the digestion of the fungal cell wall β(1,3)-D-glucan. This new commercial endo-β(1,3)-D-glucanase will allow the study of the cell wall composition under different conditions, along the cell cycle, in response to environmental changes or in cell wall mutants. Furthermore, this enzyme will also be greatly valuable for other practical and commercial applications such as genome research, chromosomes extraction, cell transformation, protoplast formation, cell fusion, cell disruption, industrial processes and studies of new antifungals that specifically target cell wall synthesis.

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Characterization and comparison of polysaccharides from Lycium barbarum in China using saccharide mapping based on PACE and HPTLC.

Wu, D. T., Cheong, K. L., Deng, Y., Lin, P. C., Wei, F., Lv, X. J., Long, Z. R., Zhoa, J., Ma, S. C. & Li, S. P. (2015). Carbohydrate polymers, 134, 12-19.

Water-soluble polysaccharides from 51 batches of fruits of L. barbarum (wolfberry) in China were investigated and compared using saccharide mapping, partial acid hydrolysis, single and composite enzymatic digestion, followed by polysaccharide analysis by using carbohydrate gel electrophoresis (PACE) analysis and high performance thin layer chromatography (HPTLC) analysis, respectively. Results showed that multiple PACE and HPTLC fingerprints of partial acid and enzymatic hydrolysates of polysaccharides from L. barbarum in China were similar, respectively. In addition, results indicated that β-1,3-glucosidic, α-1,4-galactosiduronic and α-1,5-arabinosidic linkages existed in polysaccharides from L. barbarum collected in China, and the similarity of polysaccharides in L. barbarum collected from different regions of China was pretty high, which are helpful for the improvement of the performance of polysaccharides from L. barbarum in functional/health foods area. Furthermore, polysaccharides from Panax notoginseng, Angelica sinensis, and Astragalus membranaceus var. mongholicus were successfully distinguished from those of L. barbarum based on their PACE fingerprints. These results were beneficial to improve the quality control of polysaccharides from L. barabrum and their products, which suggested that saccharide mapping based on PACE and HPTLC analysis could be a routine approach for quality control of polysaccharides.

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Safety Information
Symbol : Not Applicable
Signal Word : Not Applicable
Hazard Statements : Not Applicable
Precautionary Statements : Not Applicable
Safety Data Sheet
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