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Literature summary extracted from

  • Smith, W.A.; Thompson, D.N.; Thompson, V.S.; Radtke, C.W.; Carter, B.
    Assessment of xylanase activity in dry storage as a potential method of reducing feedstock cost (2009), Appl. Biochem. Biotechnol., 154, 108-122.
    View publication on PubMed

Application

EC Number Application Comment Organism
3.2.1.8 biofuel production pre-treatment for ethanol formation from lignin-cellulose fibres more efficiently Aspergillus niger
3.2.1.8 biofuel production pre-treatment for ethanol formation from lignin-cellulose fibres more efficiently Thermomyces lanuginosus
3.2.1.8 biofuel production pre-treatment for ethanol formation from lignin-cellulose fibres more efficiently Trichoderma longibrachiatum
3.2.1.136 biofuel production pre-treatment for ethanol formation from lignin-cellulose fibres more efficiently Aspergillus niger
3.2.1.136 biofuel production pre-treatment for ethanol formation from lignin-cellulose fibres more efficiently Thermomyces lanuginosus
3.2.1.136 biofuel production pre-treatment for ethanol formation from lignin-cellulose fibres more efficiently Trichoderma longibrachiatum

General Stability

EC Number General Stability Organism
3.2.1.8 activity preserved after 7 weeks in incubation chamber Thermomyces lanuginosus
3.2.1.136 activity preserved after 7 weeks in incubation chamber Thermomyces lanuginosus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.8 additional information Aspergillus niger facilitating hemicellulose degradation ?
-
 ?
3.2.1.8 additional information Thermomyces lanuginosus facilitating hemicellulose degradation ?
-
 ?
3.2.1.8 additional information Trichoderma longibrachiatum facilitating hemicellulose degradation ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.8 Aspergillus niger
-
 beta-xylanase M4
-
3.2.1.8 Thermomyces lanuginosus
-
 expressed in Aspergillus oryzae
-
3.2.1.8 Trichoderma longibrachiatum
-
 beta-xylanase M2
-
3.2.1.136 Aspergillus niger
-
 beta-xylanase M4
-
3.2.1.136 Thermomyces lanuginosus
-
 expressed in Aspergillus oryzae
-
3.2.1.136 Trichoderma longibrachiatum
-
 beta-xylanase M2
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.8 additional information
-
 enzyme activity is proportional to water activity (ratio of the equilibrium water vapor pressure over a material to that over pure water, roughly corresponding to the water content), enzyme activity as low as at a water activity of 0.59, 0.1 M sodium acetate, pH 4.5, 50°C Trichoderma longibrachiatum
3.2.1.8 additional information
-
 enzyme activity is proportional to water activity (ratio of the equilibrium water vapor pressure over a material to that over pure water, roughly corresponding to the water content), enzyme activity as low as at a water activity of 0.59, 0.1 M sodium acetate, pH 4.5, 60°C Aspergillus niger
3.2.1.8 additional information
-
 enzyme activity is proportional to water activity (ratio of the equilibrium water vapor pressure over a material to that over pure water, roughly corresponding to the water content), enzyme activity at a water activity between 0.91 and 0.83, 0.1 M sodium phosphate, pH 6.0, 60°C Thermomyces lanuginosus
3.2.1.136 additional information
-
 enzyme activity is proportional to water activity, enzyme activity as low as at a water activity of 0.59, 0.1 M sodium acetate, pH 4.5, 50 degrees Celsius Trichoderma longibrachiatum
3.2.1.136 additional information
-
 enzyme activity is proportional to water activity, enzyme activity as low as at a water activity of 0.59, 0.1 M sodium acetate, pH 4.5, 60 degrees Celsius Aspergillus niger
3.2.1.136 additional information
-
 enzyme activity is proportional to water activity, enzyme activity at a water activity between 0.91 and 0.83, 0.1 M sodium phosphate, pH 6.0, 60 degrees Celsius Thermomyces lanuginosus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.8 arabinoxylan + H2O 39% arabinan, 62% xylan from wheat, substrate water activity (ratio of the equilibrium water vapor pressure over a material to that over pure water, roughly corresponding to the water content) range from 0.21-1.0, corresponding to 5-60% water content (dry basis) Aspergillus niger ? oligosaccharides, xylobiose, xylotriose ?
3.2.1.8 arabinoxylan + H2O 39% arabinan, 62% xylan from wheat, substrate water activity (ratio of the equilibrium water vapor pressure over a material to that over pure water, roughly corresponding to the water content) range from 0.21-1.0, corresponding to 5-60% water content (dry basis) Thermomyces lanuginosus ? oligosaccharides, xylobiose, xylotriose ?
3.2.1.8 arabinoxylan + H2O 39% arabinan, 62% xylan from wheat, substrate water activity (ratio of the equilibrium water vapor pressure over a material to that over pure water, roughly corresponding to the water content) range from 0.21-1.0, corresponding to 5-60% water content (dry basis) Trichoderma longibrachiatum ? oligosaccharides, xylobiose, xylotriose ?
3.2.1.8 additional information facilitating hemicellulose degradation Aspergillus niger ?
-
 ?
3.2.1.8 additional information facilitating hemicellulose degradation Thermomyces lanuginosus ?
-
 ?
3.2.1.8 additional information facilitating hemicellulose degradation Trichoderma longibrachiatum ?
-
 ?
3.2.1.136 arabinoxylan + H2O 39% arabinan, 62% xylan from wheat, substrate water activity range from 0.21-1.0, corresponding to 5-60% water content (dry basis) Aspergillus niger reducing sugars oligosaccharides, xylobiose, xylotriose ?
3.2.1.136 arabinoxylan + H2O 39% arabinan, 62% xylan from wheat, substrate water activity range from 0.21-1.0, corresponding to 5-60% water content (dry basis) Thermomyces lanuginosus reducing sugars oligosaccharides, xylobiose, xylotriose ?
3.2.1.136 arabinoxylan + H2O 39% arabinan, 62% xylan from wheat, substrate water activity range from 0.21-1.0, corresponding to 5-60% water content (dry basis) Trichoderma longibrachiatum reducing sugars oligosaccharides, xylobiose, xylotriose ?
3.2.1.136 lignocellulose + H2O aim for fuel production are natural substrates such as corn stover, switchgrass, wheat straw Aspergillus niger reducing sugars oligosaccharides, xylobiose, xylotriose ?
3.2.1.136 lignocellulose + H2O aim for fuel production are natural substrates such as corn stover, switchgrass, wheat straw Thermomyces lanuginosus reducing sugars oligosaccharides, xylobiose, xylotriose ?
3.2.1.136 lignocellulose + H2O aim for fuel production are natural substrates such as corn stover, switchgrass, wheat straw Trichoderma longibrachiatum reducing sugars oligosaccharides, xylobiose, xylotriose ?

Synonyms

EC Number Synonyms Comment Organism
3.2.1.8 beta-1,4-endoxylanase
-
 Aspergillus niger
3.2.1.8 beta-1,4-endoxylanase
-
 Thermomyces lanuginosus
3.2.1.8 beta-1,4-endoxylanase
-
 Trichoderma longibrachiatum
3.2.1.8 TLX used for bread dough Thermomyces lanuginosus
3.2.1.136 beta-1,4-endoxylanase
-
 Aspergillus niger
3.2.1.136 beta-1,4-endoxylanase
-
 Thermomyces lanuginosus
3.2.1.136 beta-1,4-endoxylanase
-
 Trichoderma longibrachiatum
3.2.1.136 endoxylanase
-
 Aspergillus niger
3.2.1.136 endoxylanase
-
 Thermomyces lanuginosus
3.2.1.136 endoxylanase
-
 Trichoderma longibrachiatum
3.2.1.136 M2
-
 Trichoderma longibrachiatum
3.2.1.136 M4
-
 Aspergillus niger
3.2.1.136 TLX used for bread dough Thermomyces lanuginosus