E6412
Cellobiohydrolase I from Hypocrea jecorina
0.13 U/mg, recombinant, expressed in corn
Synonym(s):
Cel7A, Cellobiosidase, Cellulase
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recombinant
expressed in corn
form
liquid
specific activity
0.13 U/mg
greener alternative product characteristics
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sustainability
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shipped in
dry ice
storage temp.
−20°C
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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.
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Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
Storage Class
10 - Combustible liquids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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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
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
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
Microbial cellulases-Production, applications and challenges.
Sukumaran RK, et al.
J. Sci. Ind. Res., 64(11), 832-844 (2005)
Kiyohiko Igarashi et al.
Methods in enzymology, 510, 169-182 (2012-05-23)
Cellulases hydrolyze β-1,4-glucosidic linkages of insoluble cellulose at the solid/liquid interface, generating soluble cellooligosaccharides. We describe here our method for real-time observation of the behavior of cellulase molecules on the substrate, using high-speed atomic force microscopy (HS-AFM). When glycoside hydrolase
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