Xyloglucan-specific endo-beta-1,4-glucanase
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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 xyloglucan oligosaccharides
| Xyloglucan-specific endo-beta-1,4-glucanase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 3.2.1.151 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
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->6)-alpha-D-xylo]-(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
References
Further reading
- Pauly M, Andersen LN, Kauppinen S, Kofod LV, York WS, Albersheim P, Darvill A (January 1999). "A xyloglucan-specific endo-beta-1,4-glucanase from Aspergillus aculeatus: expression cloning in yeast, purification and characterization of the recombinant enzyme". Glycobiology. 9 (1): 93â100. doi:10.1093/glycob/9.1.93. PMID 9884411.
- Grishutin SG, Gusakov AV, Markov AV, Ustinov BB, Semenova MV, Sinitsyn AP (November 2004). "Specific xyloglucanases as a new class of polysaccharide-degrading enzymes". Biochimica et Biophysica Acta (BBA) - General Subjects. 1674 (3): 268â81. doi:10.1016/j.bbagen.2004.07.001. PMID 15541296.
- Costanzo S, Ospina-Giraldo MD, Deahl KL, Baker CJ, Jones RW (October 2006). "Gene duplication event in family 12 glycosyl hydrolase from Phytophthora spp". Fungal Genetics and Biology. 43 (10): 707â14. doi:10.1016/j.fgb.2006.04.006. PMID 16784880.
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