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E6412

Sigma-Aldrich

Cellobiohydrolase I from Hypocrea jecorina

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0.13 U/mg, recombinant, expressed in corn

Synonyme(s) :

Cel7A, Cellobiosidase, Cellulase

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About This Item

Numéro de classification (Commission des enzymes):
3.2.1.91 (BRENDA, IUBMB)
Numéro CE :
253-465-9
Code UNSPSC :
12352204
Nomenclature NACRES :
NA.54

Produit recombinant

expressed in corn

Niveau de qualité

200

Forme

liquid

Activité spécifique

0.13 U/mg

Caractéristiques du produit alternatif plus écologique

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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Autre catégorie plus écologique

Enabling,

Conditions d'expédition

dry ice

Température de stockage

−20°C

Catégories apparentées

Description générale

Cellubiohydrolase I is an enzyme present in many fungi, but particularly wood rot fungi. It is a monomer of 53 kDa with a catalytic domain and a cellulose binding domain. The reaction adds water to the glucose bonds in cellulose (non-reducing ends of the chain), yielding cellobiose.
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Application

Cellobiohydrolase I can be used in combination with endocellulases and b-glucosidase to produce glucose from cellulose.

Actions biochimiques/physiologiques

Cellobiohydrolase (CBH) is a cellulase which degrades cellulose by hydrolysing the 1,4-β-D-glycosidic bonds. CBH is an exocellulase which cleaves two to four units from the ends of cellulose. CBH I cleaves progressively from the reducing end. CBH I is commonly used in detergents for cleaning textiles. Its ezymatic activity ranges from 37° C to 50° C, with its optimal temperature being approximately 45° C. The optimum pH for the enzyme is 5-6.

Définition de l'unité

Unit Definition: A unit will turn over 1 nmole of methyl-umbelliferyl beta-D cellobioside per min at pH 5 at 50° C.

Forme physique

Provided as an ammonium sulfate precipitate with the source as recombinant maize.

Pictogrammes

Health hazard
GHS08

Mention d'avertissement

Danger

Mentions de danger

H334

Conseils de prudence

P261 - P342 + P311

Classification des risques

Resp. Sens. 1

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Consulter la Bibliothèque de documents

Jenni Liisa Rahikainen et al.
Bioresource technology, 146, 118-125 (2013-08-08)
Non-productive enzyme adsorption onto lignin inhibits enzymatic hydrolysis of lignocellulosic biomass. Three cellobiohydrolases, Trichoderma reesei Cel7A (TrCel7A) and two engineered fusion enzymes, with distinctive modular structures and temperature stabilities were employed to study the effect of temperature on inhibition arising
Nicolaj Cruys-Bagger et al.
The Journal of biological chemistry, 287(22), 18451-18458 (2012-04-12)
The transient kinetic behavior of enzyme reactions prior to the establishment of steady state is a major source of mechanistic information, yet this approach has not been utilized for cellulases acting on their natural substrate, insoluble cellulose. Here, we elucidate
Zachary K Haviland et al.
The Journal of biological chemistry, 297(3), 101029-101029 (2021-08-03)
Understanding the mechanism by which cellulases from bacteria, fungi, and protozoans catalyze the digestion of lignocellulose is important for developing cost-effective strategies for bioethanol production. Cel7A from the fungus Trichoderma reesei is a model exoglucanase that degrades cellulose strands from
Nicolaj Cruys-Bagger et al.
Biotechnology and bioengineering, 109(12), 3199-3204 (2012-07-07)
An amperometric enzyme biosensor for continuous detection of cellobiose has been implemented as an enzyme assay for cellulases. We show that the initial kinetics for cellobiohydrolase I, Cel7A from Trichoderma reesei, acting on different types of cellulose substrates, semi-crystalline and
Oren Yaniv et al.
Acta crystallographica. Section D, Biological crystallography, 68(Pt 7), 819-828 (2012-07-04)
The crystal structure of the family 3b carbohydrate-binding module (CBM3b) of the cellulosomal multimodular hydrolytic enzyme cellobiohydrolase 9A (Cbh9A) from Clostridium thermocellum has been determined. Cbh9A CBM3b crystallized in space group P4(1) with four molecules in the asymmetric unit and
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