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E6412

Sigma-Aldrich

Cellobiohydrolase I from Hypocrea jecorina

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0.13 U/mg, recombinant, expressed in corn

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Synonym(s):
Cel7A, Cellobiosidase, Cellulase
Enzyme Commission number:
EC Number:
NACRES:
NA.54

recombinant

expressed in corn

form

liquid

specific activity

0.13 U/mg

greener alternative product characteristics

Design for Energy Efficiency
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shipped in

dry ice

storage temp.

−20°C

General description

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.

Biochem/physiol Actions

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.

Unit Definition

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

Physical form

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

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Resp. Sens. 1

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

常规特殊物品

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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
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
K E Eriksson et al.
European journal of biochemistry, 51(1), 213-218 (1975-02-03)
An exo-1,4-beta-glucanase from culture solution of the rot fungus Sporotrichum pulverulentum (formerly called Chrysosporium lignorum) grown on powder cellulose as the sole carbon source has been extensively purified and characterized with respect to some physico-chemical properties. The purification has been
Daisuke Taneda et al.
Bioresource technology, 121, 154-160 (2012-08-04)
The effect of enzyme loading under static and agitated conditions was investigated. Enzymatic hydrolysis of 10 w/v% de-lignified cellulose slurry such as filter paper, avicel and pulp was conducted under agitated (120 rpm) and static condition, and the enzyme loading

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