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Literature summary extracted from

  • Neumueller, K.G.; Streekstra, H.; Gruppen, H.; Schols, H.A.
    Trichoderma longibrachiatum acetyl xylan esterase 1 enhances hemicellulolytic preparations to degrade corn silage polysaccharides (2014), Biores. Technol., 163, 64-73.
    View publication on PubMed

Organism

EC Number Organism UniProt Comment Textmining
3.1.1.72 Aspergillus niger
-
-
-
3.1.1.72 Trichoderma longibrachiatum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.1.72 native enzyme from Aspergillus niger/Talaromyces emersonii enzyme mixture containing Aspergillus niger acetylxylan esterase and Talaromyces emersonii acetyl esterase by anion exchange chromatography, ultrafiltration, and gel filtration Aspergillus niger

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.1.1.72 commercial preparation industrial strain, Aspergillus niger/Talaromyces emersonii enzyme mixture containing Aspergillus niger acetylxylan esterase and Tlaromyces emersonii acetyl esterase Aspergillus niger
-
3.1.1.72 commercial preparation purified native enzyme Trichoderma longibrachiatum
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.1.72 4-nitrophenyl acetate + H2O
-
 Aspergillus niger 4-nitrophenol + acetate
-
 ?
3.1.1.72 4-nitrophenyl acetate + H2O
-
 Trichoderma longibrachiatum 4-nitrophenol + acetate
-
 ?
3.1.1.72 4-nitrophenyl beta-D-glucopyranoside + H2O
-
 Aspergillus niger 4-nitrophenol + D-glucose
-
 ?
3.1.1.72 4-nitrophenyl beta-D-xylopyranoside + H2O
-
 Aspergillus niger 4-nitrophenol + D-xylose
-
 ?
3.1.1.72 4-nitrophenyl glucopyranoside + H2O
-
 Trichoderma longibrachiatum 4-nitrophenol + glucose
-
 ?
3.1.1.72 4-nitrophenyl xylopyranoside + H2O
-
 Trichoderma longibrachiatum 4-nitrophenol + xylose
-
 ?
3.1.1.72 additional information the enzyme shows activity with acetylated polysaccharides and neutral and acidic xylooligosaccharides and broad specificity. Substrates are from Eucalyptus globulus xylan hydrolysate, and soluble extract of corn silage Trichoderma longibrachiatum ?
-
 ?
3.1.1.72 additional information the enzyme shows partial activity with acetylated polysaccharides and neutral and acidic xylooligosaccharides, substrates are from Eucalyptus globulus xylan hydrolysate, and soluble extract of corn silage Aspergillus niger ?
-
 ?

Synonyms

EC Number Synonyms Comment Organism
3.1.1.72 acetyl xylan esterase 1
-
 Aspergillus niger
3.1.1.72 acetyl xylan esterase 1
-
 Trichoderma longibrachiatum
3.1.1.72 Axe1
-
 Aspergillus niger
3.1.1.72 Axe1
-
 Trichoderma longibrachiatum

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.1.1.72 40 50 assay at Aspergillus niger
3.1.1.72 40 50 assay at Trichoderma longibrachiatum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.1.1.72 5.5
-
 assay at Aspergillus niger
3.1.1.72 5.5
-
 assay at Trichoderma longibrachiatum

General Information

EC Number General Information Comment Organism
3.1.1.72 evolution the enzyme belongs to the carbohydrate esterase family 1, CE1 Aspergillus niger
3.1.1.72 evolution the enzyme belongs to the carbohydrate esterase family 5, CE5 Trichoderma longibrachiatum