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Xyloglucan-specific endo-beta-1,4-glucanase

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Xyloglucan-specific endo-beta-1,4-glucanase
Identifiers
EC no.3.2.1.151
Databases
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BRENDABRENDA entry
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In enzymology, a xyloglucan-specific endo-beta-1,4-glucanase (EC 3.2.1.151) is an enzyme that catalyzes the chemical reaction

xyloglucan + H2O {\displaystyle \rightleftharpoons } xyloglucan oligosaccharides

Thus, the two substrates of this enzyme are xyloglucan and H2O, whereas its product is xyloglucan oligosaccharides.

This enzyme belongs to the family of hydrolases, specifically those glycosidases that hydrolyse O- and S-glycosyl compounds. The systematic name of this enzyme class is -(1->4)-beta-D-glucan glucanohydrolase. Other names in common use include XEG, xyloglucan endo-beta-1,4-glucanase, xyloglucanase, xyloglucanendohydrolase, XH, and 1,4-beta-D-glucan glucanohydrolase.

Family 12 was first identified in plant pathogens by discovery in Phytophthora spp.

Structural studies

As of late 2007, 15 structures have been solved for this class of enzymes, with PDB accession codes 2CN2, 2CN3, 2E0P, 2E4T, 2EEX, 2EJ1, 2EO7, 2EQD, 2JEM, 2JEN, 2JEP, 2JEQ, 2UWA, 2UWB, and 2UWC.

References

Further reading

Hydrolase: sugar hydrolases (EC 3.2)
3.2.1: Glycoside hydrolases
Disaccharidase
Glucosidases
Other
3.2.2: Hydrolysing
N-Glycosyl compounds
Enzymes
Activity
Regulation
Classification
Kinetics
Types
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