Biology:Acetylxylan esterase

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Short description: Class of enzymes
acetylxylan esterase
4oap.jpg
Acetylxylan esterase oktamer, Geobacillus stearothermophilus
Identifiers
EC number3.1.1.72
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO

The enzyme acetylxylan esterase (EC 3.1.1.72) catalyzes the deacetylation of xylans and xylo-oligosaccharides.

This enzyme belongs to the family of hydrolases, specifically those acting on carboxylic ester bonds. The systematic nameis acetylxylan esterase.

Structural studies

As of late 2007, 4 structures have been solved for this class of enzymes, with PDB accession codes 1QOZ, 2C71, 2C79, and 2CC0.

References

  • "Purification and properties of two acetylxylan esterases of Trichoderma reesei". Biotechnol. Appl. Biochem. 13: 1–11. 1991. 
  • "Deacetylation of xylans by acetyl esterases of Trichoderma reesei". Appl. Microbiol. Biotechnol. 33 (5): 506–510. 1990. doi:10.1007/bf00172542. 
  • "Acetyl xylan esterase from Trichoderma reesei contains an active-site serine residue and a cellulose-binding domain". Eur. J. Biochem. 237 (3): 553–60. 1996. doi:10.1111/j.1432-1033.1996.0553p.x. PMID 8647098.