EC - Acetylxylan esterase

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IntEnz Enzyme Nomenclature


Accepted name:
acetylxylan esterase
Systematic name:
acetylxylan esterase



catalyses the hydrolysis of acetyl groups from polymeric xylan, acetylated xylose, acetylated glucose, α-napthyl acetate, p-nitrophenyl acetate but not from triacetylglycerol. Does not act on acetylated mannan or pectin.

Links to other databases

Enzymes and pathways: NC-IUBMB , BRENDA , ExplorEnz , ENZYME@ExPASy , KEGG , MetaCyc , UniPathway
Structural data: CSA , EC2PDB
Gene Ontology: GO:0046555
UniProtKB/Swiss-Prot: (28) [show] [UniProt]


  1. Sundberg, M., Poutanen, K.
    Purification and properties of two acetylxylan esterases of Trichoderma reesei.
    Biotechnol. Appl. Biochem. 13 : 1-11 (1991).
  2. Poutanen, K., Sundberg, M., Korte, H., Puls, J.
    Deacetylation of xylans by acetyl esterases of Trichoderma reesei.
    Appl. Microbiol. Biotechnol. 33 : 506-510 (1990).
  3. Margolles-Clark, E., Tenkanen, M., Söderland, H., Penttilä, M.
    Acetyl xylan esterase from Trichoderma reesei contains an active site serine and a cellulose binding domain.
    Eur. J. Biochem. 237 : 553-560 (1996). [PMID: 8647098]

[EC created 1999]