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Literature summary extracted from

  • Chavez, R.; Schachter, K.; Navarro, C.; Peirano, A.; Bull, P.; Eyzaguirre, J.
    The acetyl xylan esterase II gene from Penicillium purpurogenum is differentially expressed in several carbon sources, and tightly regulated by pH (2004), Biol. Res., 37, 107-113.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.1.1.72 xylan induces enzyme expression, gene axeII Talaromyces purpureogenus
3.1.1.72 xylitol slightly induces enzyme expression, gene axeII Talaromyces purpureogenus
3.1.1.72 xylose slightly induces enzyme expression, gene axeII Talaromyces purpureogenus

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.1.1.72 glucose represses enzyme expression, gene axeII Talaromyces purpureogenus

Organism

EC Number Organism UniProt Comment Textmining
3.1.1.72 Talaromyces purpureogenus O59893 gene axeII
-

Reaction

EC Number Reaction Comment Organism Reaction ID
3.1.1.72 acetylxylan + 3 H2O = 3 acetic acid + xylan catalyses the hydrolysis of acetyl groups from polymeric xylan, acetylated xylose, acetylated glucose, alpha-naphthyl acetate, p-nitrophenyl acetate but not from triacetylglycerol. Does not act on acetylated mannan or pectin. Talaromyces purpureogenus
a

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.1.72 acetylated xylan + H2O
-
 Talaromyces purpureogenus xylan + acetate
-
 ?

Synonyms

EC Number Synonyms Comment Organism
3.1.1.72 acetyl xylan esterase II
-
 Talaromyces purpureogenus

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.1.1.72 additional information
-
 enzyme expression from gene axeII is strictly regulated by the pH value, axeII transcript appears only at neutral pH Talaromyces purpureogenus