“Acetylxylan esterase”的意思、由来-开放百科全书

词条

Acetylxylan esterase

释义

Structural studies
References

{{enzyme
| Name = acetylxylan esterase
| EC_number = 3.1.1.72
| CAS_number =
| IUBMB_EC_number = 3/1/1/72
| GO_code = 0046555
| image = 4oap.jpg
| width = 270
| caption = Acetylxylan esterase oktamer, Geobacillus stearothermophilus
}}

In enzymology, an acetylxylan esterase ({{EC number|3.1.1.72}}) is an enzyme that catalyzes a chemical reaction, the deacetylation of xylans and xylo-oligosaccharides.

This enzyme belongs to the family of hydrolases, specifically those acting on carboxylic ester bonds. The systematic name of this enzyme class is likewise acetylxylan esterase.

Structural studies

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

References

{{cite journal |vauthors=Sundberg M, Poutanen K | date = 1991 | title = Purification and properties of two acetylxylan esterases of Trichoderma reesei | journal = Biotechnol. Appl. Biochem. | volume = 13 | pages = 1–11 }}
{{cite journal |vauthors=Poutanen K, Sundberg M, Korte H, Puls J | date = 1990 | title = Deacetylation of xylans by acetyl esterases of Trichoderma reesei | journal = Appl. Microbiol. Biotechnol. | volume = 33 | pages = 506–510 | doi=10.1007/bf00172542}}
{{cite journal |vauthors=Margolles-Clark E, Tenkanen M, Soderlund H, Penttila M | date = 1996 | title = Acetyl xylan esterase from Trichoderma reesei contains an active-site serine residue and a cellulose-binding domain | journal = Eur. J. Biochem. | volume = 237 | pages = 553–60 | pmid = 8647098 | doi = 10.1111/j.1432-1033.1996.0553p.x | issue = 3 }}

2 : EC 3.1.1|Enzymes of known structure

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