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Feruloyl esterase (Clostridium thermocellum)

Feruloyl esterase Clostridium thermocellum E-FAEZCT
Product code: E-FAEZCT
€146.00

10 Units on ethyl ferulate

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Available for shipping

Content: 10 Units on ethyl ferulate
Shipping Temperature: Ambient
Storage Temperature: 2-8oC
Formulation: In 3.2 M ammonium sulphate
Physical Form: Suspension
Stability: Minimum 1 year at 4oC. Check vial for details.
Enzyme Activity: Esterase
EC Number: 3.1.1.73
CAZy Family: CE1
CAS Number: 134712-49-5,
224306-54-1,
224306-55-2
Synonyms: feruloyl esterase; 4-hydroxy-3-methoxycinnamoyl-sugar hydrolase
Source: Clostridium thermocellum
Molecular Weight: 29,000
Concentration: Supplied at ~ 7 U/mL
Expression: Recombinant from Clostridium thermocellum
Specificity: Catalyses the hydrolysis of the 4-hydroxy-3-methoxycinnamoyl (feruloyl) group from an esterified sugar, which is usually arabinose in "natural" substrates.
Specific Activity: ~ 0.6 U/mg (50oC, pH 6.0 on ethyl ferulate); 
~ 28 U/mg (60oC, pH 6.0 on FAXX)
Unit Definition: One Unit of feruloyl esterase activity is defined as the amount of enzyme required to release one µmole of ferulic acid per minute from ethyl-ferulate (0.39 mM) in MOPS buffer (100 mM), pH 6.0.
Temperature Optima: 60oC
pH Optima: 6
Application examples: Applications established in biofuels, paper and pulp, food, nutrition, medical and pharmacological industries.

High purity recombinant Feruloyl esterase (Clostridium thermocellum) for use in research, biochemical enzyme assays and in vitro diagnostic analysis.

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Documents
Certificate of Analysis
Safety Data Sheet
Booklet
Publications
Publication
Determination of the xylan backbone distribution of arabinoxylan-oligosaccharides.

Snelders, J., Dornez, E., Broekaert, W. F., Delcour, J. A. & Courtin, C. M. (2013). Bioactive Carbohydrates and Dietary Fibre, 2(1), 84-91.

Arabinoxylan-oligosaccharide samples (AXOS) present themselves as mixtures of different molecular entities with xylan backbones of different length and with different levels of arabinose substitution. Their prebiotic properties depend on their degree of polymerisation (DP) and degree of arabinose substitution (DAS). Therefore, structural characterisation of AXOS samples is important. Gas chromatography (GC) is most frequently used for quantification of AXOS levels and for determination of the average DP (avDP) and average DAS (avDAS), yet it does not provide information on the molecular mass distribution of the xylan backbones of the different AXOS entities present in the mixture. This manuscript evaluates a method based on high performance anion exchange chromatography (HPAEC) involving quantification of xylo-oligosaccharides (XOS) after either acidic or enzymic removal of arabinose substituents for its ability to determine such distribution. Results show that despite the fact that a small fraction of the arabinoses could not be removed, representative DP distributions of xylan backbones in complex AXOS samples were obtained. The similarity of the avDP determined with GC or determined with the new HPAEC method using enzymic removal of arabinose substituents confirmed this. It can be concluded that the HPAEC method involving enzymic removal of arabinoses provides useful insight in the DP distribution of the xylan backbones in complex AXOS samples.

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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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