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Principaux documents

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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100 UNITS
161,00 €

161,00 €


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100 UNITS
161,00 €

About This Item

Numéro de classification (Commission des enzymes):
Numéro CE :
Code UNSPSC :
12352204
Nomenclature NACRES :
NA.54

161,00 €


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Produit recombinant

expressed in corn

Forme

liquid

Activité spécifique

0.13 U/mg

Caractéristiques du produit alternatif plus écologique

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Autre catégorie plus écologique

Conditions d'expédition

dry ice

Température de stockage

−20°C

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.[1] 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

Mention d'avertissement

Danger

Mentions de danger

Conseils de prudence

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


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Consulter la Bibliothèque de documents

Larissa C Textor et al.
The FEBS journal, 280(1), 56-69 (2012-11-02)
Aiming to contribute toward the characterization of new, biotechnologically relevant cellulolytic enzymes, we report here the first crystal structure of the catalytic core domain of Cel7A (cellobiohydrolase I) from the filamentous fungus Trichoderma harzianum IOC 3844. Our structural studies and
Svein J Horn et al.
Methods in enzymology, 510, 69-95 (2012-05-23)
Natural cellulolytic enzyme systems as well as leading commercial cellulase cocktails are dominated by enzymes that degrade cellulose chains in a processive manner. Despite the abundance of processivity among natural cellulases, the molecular basis as well as the biotechnological implications
Naohisa Sugimoto et al.
Langmuir : the ACS journal of surfaces and colloids, 28(40), 14323-14329 (2012-09-07)
Cellobiohydrolases (CBHs) hydrolyzing crystalline cellulose share a two-domain structure of catalytic domain (CD) and cellulose-binding domain (CBD). To focus on the binding characteristics of CBD, we analyzed the adsorption of fusion protein of fungal family 1 CBD from Trichoderma reesei
Microbial cellulases-Production, applications and challenges.
Sukumaran RK, et al.
J. Sci. Ind. Res., 64(11), 832-844 (2005)
Christina M Payne et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(36), 14646-14651 (2013-08-21)
Plant cell-wall polysaccharides represent a vast source of food in nature. To depolymerize polysaccharides to soluble sugars, many organisms use multifunctional enzyme mixtures consisting of glycoside hydrolases, lytic polysaccharide mono-oxygenases, polysaccharide lyases, and carbohydrate esterases, as well as accessory, redox-active

Articles

Uncover more about glycosaminoglycans and proteoglycans including the structure of glycosaminoglycans (GAGs), the different types of GAGs, and their functions.

Questions

  1. Good morning. This material is liquid. Could you tell me the volume that comes in the bottle?

    1 answer
    1. This product is provided as a slurry containing 10 mg of enzyme in saturated ammonium sulfate precipitate. It is supplied at 100 units, with a concentration of 0.13 units per 1 mg of protein at 10 mg per ml.

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