Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 3.2.1.139 extracted from

  • Castanares, A.; Hay, A.J.; Gordon, A.H.; McCrae, S.I.; Wood, T.M.
    D-Xylan-degrading enzyme system for the fungus Phanerochaete chrysosporium: isolation and partial characterisation of an alpha(4-O-methy)-D-glucuronidase (1995), J. Biotechnol., 43, 183-194.
    View publication on PubMed
Search for more literature for 3.2.1.139

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
 Phanerodontia chrysosporium
-
-

Organism

Organism UniProt Comment Textmining
Aspergillus awamori
-
-
-
Aspergillus niger
-
-
-
Aspergillus phoenicis
-
-
-
Phanerodontia chrysosporium
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Phanerodontia chrysosporium

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.5
-
-
 Phanerodontia chrysosporium

Storage Stability

Storage Stability Organism
-18°C, 4 months, complete inactivation Phanerodontia chrysosporium

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-O-methyl-glucuronosyl-xylobiose + H2O
-
 Phanerodontia chrysosporium 4-O-methyl-glucuronate + xylobiose
-
 ?
4-O-methyl-glucuronosyl-xylose + H2O no activity Phanerodontia chrysosporium 4-O-methyl-glucuronate + xylose
-
 ?
4-O-methyl-glucuronosyl-xylotriose + H2O
-
 Aspergillus niger 4-O-methyl-glucuronate + xylotriose
-
 ?
4-O-methyl-glucuronosyl-xylotriose + H2O
-
 Phanerodontia chrysosporium 4-O-methyl-glucuronate + xylotriose
-
 ?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
 at pH 3.5 Phanerodontia chrysosporium

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
-
 Aspergillus niger
50
-
 pH 5.0, in absence of substrate, 58% loss of activity in 24 h Phanerodontia chrysosporium
50
-
 pH 3.5, in absence of substrate, inactivation in 2 h Phanerodontia chrysosporium

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
3.5
-
-
 Phanerodontia chrysosporium

pH Range

pH Minimum pH Maximum Comment Organism
3 5 pH 3.0: about 80% of maximal activity, pH 5.0: about 50% of maximal activity Phanerodontia chrysosporium

pH Stability

pH Stability pH Stability Maximum Comment Organism
3.5
-
 50°C, in absence of substrate, inactivated in 2 h Phanerodontia chrysosporium
5.5
-
 50°C, in absence of substrate, 58% loss of activity in 24 h Phanerodontia chrysosporium