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Literature summary extracted from

  • Puls, J.
    alpha-Glucuronidases in the hydrolysis of wood xylans (1992), Xylans and Xylanases (Visser, J. , et al. , Eds. ) Elsevier, Amsterdam, , 213-224.
No PubMed abstract available

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.139 100000
-
-
 Trichoderma reesei
3.2.1.139 160000
-
 gel filtration Agaricus bisporus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.139 additional information Thermoascus aurantiacus
-
 ?
-
 ?
3.2.1.139 additional information Agaricus bisporus enzyme is involved in hydrolysis of wood xylans ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.139 Agaricus bisporus
-
-
-
3.2.1.139 Aspergillus awamori
-
-
-
3.2.1.139 Hypomyces rosellus
-
-
-
3.2.1.139 Laetiporus sulphureus
-
-
-
3.2.1.139 Pleurotus ostreatus
-
-
-
3.2.1.139 Polyporus versicolor
-
-
-
3.2.1.139 Streptomyces olivochromogenes
-
-
-
3.2.1.139 Thermoascus aurantiacus
-
-
-
3.2.1.139 Trichoderma reesei
-
-
-
3.2.1.139 Tyromyces palustris
-
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.139 4-O-methyl-D-glucuronosyl-xylitol + H2O
-
 Agaricus bisporus 4-O-methyl-D-glucuronate + xylitol
-
 ?
3.2.1.139 4-O-methyl-D-glucuronosyl-xylitol + H2O
-
 Pleurotus ostreatus 4-O-methyl-D-glucuronate + xylitol
-
 ?
3.2.1.139 4-O-methyl-D-glucuronosyl-xylitol + H2O
-
 Tyromyces palustris 4-O-methyl-D-glucuronate + xylitol
-
 ?
3.2.1.139 4-O-methyl-D-glucuronosyl-xylitol + H2O
-
 Polyporus versicolor 4-O-methyl-D-glucuronate + xylitol
-
 ?
3.2.1.139 4-O-methyl-D-glucuronosyl-xylitol + H2O
-
 Laetiporus sulphureus 4-O-methyl-D-glucuronate + xylitol
-
 ?
3.2.1.139 4-O-methyl-D-glucuronosyl-xylitol + H2O
-
 Thermoascus aurantiacus 4-O-methyl-D-glucuronate + xylitol
-
 ?
3.2.1.139 4-O-methyl-D-glucuronosylxylan + H2O at 52% of the activity with 4-O-methyl-glucuronosyl-xylobiose Thermoascus aurantiacus 4-O-methyl-D-glucuronate + xylan
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylobiose + H2O
-
 Agaricus bisporus 4-O-methyl-glucuronate + xylobiose
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylobiose + H2O
-
 Trichoderma reesei 4-O-methyl-glucuronate + xylobiose
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylobiose + H2O
-
 Thermoascus aurantiacus 4-O-methyl-glucuronate + xylobiose
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylohexaose + H2O
-
 Thermoascus aurantiacus 4-O-methyl-glucuronate + xylohexaose
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylohexaose + H2O at 53% of the activity with 4-O-methyl-glucuronosyl-xylobiose Agaricus bisporus 4-O-methyl-glucuronate + xylohexaose
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylopentaose + H2O
-
 Thermoascus aurantiacus 4-O-methyl-glucuronate + xylopentaose
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylopentaose + H2O at 50% of the activity with 4-O-methyl-glucuronosyl-xylobiose Agaricus bisporus 4-O-methyl-glucuronate + xylopentaose
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylose + H2O
-
 Trichoderma reesei 4-O-methyl-glucuronate + xylose
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylose + H2O no activity Agaricus bisporus 4-O-methyl-glucuronate + xylose
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylose + H2O 96% of the activity with 4-O-methyl-glucuronosyl-xylobiose Thermoascus aurantiacus 4-O-methyl-glucuronate + xylose
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylotetraose + H2O
-
 Trichoderma reesei 4-O-methyl-glucuronate + xylotetraose
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylotetraose + H2O at 96% of the activity with 4-O-methyl-glucuronosyl-xylobiose Agaricus bisporus 4-O-methyl-glucuronate + xylotetraose
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylotetraose + H2O at 96% of the activity with 4-O-methyl-glucuronosyl-xylobiose Thermoascus aurantiacus 4-O-methyl-glucuronate + xylotetraose
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylotriose + H2O
-
 Trichoderma reesei 4-O-methyl-glucuronate + xylotriose
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylotriose + H2O at 96% of the activity 4-O-methyl-glucuronosyl-xylobiose Thermoascus aurantiacus 4-O-methyl-glucuronate + xylotriose
-
 ?
3.2.1.139 4-O-methyl-glucuronosyl-xylotriose + H2O at 99% of the activity with 4-O-methyl-glucuronosyl-xylobiose Agaricus bisporus 4-O-methyl-glucuronate + xylotriose
-
 ?
3.2.1.139 additional information
-
 Thermoascus aurantiacus ?
-
 ?
3.2.1.139 additional information enzyme is involved in hydrolysis of wood xylans Agaricus bisporus ?
-
 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.139 3.3 3.8
-
 Agaricus bisporus
3.2.1.139 4.5
-
-
 Thermoascus aurantiacus
3.2.1.139 5
-
-
 Trichoderma reesei