E6412
Cellobiohydrolase I from Hypocrea jecorina
100 U/mg, recombinant, expressed in corn
Synonym(s):
Cel7A, Cellobiosidase, Cellulase
Product Name
Cellobiohydrolase I from Hypocrea jecorina, 100 U/mg, recombinant, expressed in corn
recombinant
expressed in corn
form
liquid
specific activity
100 U/mg
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shipped in
dry ice
storage temp.
−20°C
Quality Level
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.
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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Other Notes
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.
signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
Storage Class
10 - Combustible liquids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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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
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
Glycosylated linkers in multimodular lignocellulose-degrading enzymes dynamically bind to cellulose.
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
Daguan Nong et al.
Biomedical optics express, 12(6), 3253-3264 (2021-07-06)
We describe a multimodal microscope for visualizing processive enzymes moving on immobilized substrates. The instrument combines interference reflection microscopy (IRM) with multi-wavelength total internal reflectance fluorescence microscopy (TIRFM). The microscope can localize quantum dots with a precision of 2.8 nm at
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
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