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

BRENDA support

Literature summary for 3.2.1.8 extracted from

  • Chanwicha, N.; Katekaew, S.; Aimi, T.; Boonlue, S.
    Purification and characterization of alkaline xylanase from Thermoascus aurantiacus var. levisporus KKU-PN-I2-1 cultivated by solid-state fermentation (2015), Mycoscience, 56, 309-318 .
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
EDTA 5 mM, 118% of initial activity Thermoascus aurantiacus var. levisporus

Inhibitors

Inhibitors Comment Organism Structure
Cu2+ 5 mM, 121% of initial activity, 10 mM, 69% residual activity Thermoascus aurantiacus var. levisporus
Fe2+ 5 mM, 74% residual activity Thermoascus aurantiacus var. levisporus
Hg2+ 5 mM, no residual activity Thermoascus aurantiacus var. levisporus
Zn2+ 5 mM, 74% residual activity Thermoascus aurantiacus var. levisporus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
40.9
-
beechwood xylan pH 9.0, 60°C Thermoascus aurantiacus var. levisporus

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Thermoascus aurantiacus var. levisporus
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Cu2+ 5 mM, 121% of initial activity, 10 mM, 69% residual activity Thermoascus aurantiacus var. levisporus

Organism

Organism UniProt Comment Textmining
Thermoascus aurantiacus var. levisporus
-
-
-
Thermoascus aurantiacus var. levisporus KKU-PN-I2-1
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Thermoascus aurantiacus var. levisporus

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
861
-
substrate oat spelt xylan, pH 9.0, 60°C Thermoascus aurantiacus var. levisporus
2560
-
substrate beechwood xylan, pH 9.0, 60°C Thermoascus aurantiacus var. levisporus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
beechwood xylan + H2O
-
Thermoascus aurantiacus var. levisporus ?
-
?
beechwood xylan + H2O
-
Thermoascus aurantiacus var. levisporus KKU-PN-I2-1 ?
-
?
additional information no substrates: cellulose powder, carboxymethyl cellulose and avicel Thermoascus aurantiacus var. levisporus ?
-
?
additional information no substrates: cellulose powder, carboxymethyl cellulose and avicel Thermoascus aurantiacus var. levisporus KKU-PN-I2-1 ?
-
?
oat spelt xylan + H2O
-
Thermoascus aurantiacus var. levisporus ?
-
?
oat spelt xylan + H2O
-
Thermoascus aurantiacus var. levisporus KKU-PN-I2-1 ?
-
?

Subunits

Subunits Comment Organism
? x * 27000, SDS-PAGE Thermoascus aurantiacus var. levisporus

Synonyms

Synonyms Comment Organism
alkaline xylanase
-
Thermoascus aurantiacus var. levisporus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
60
-
-
Thermoascus aurantiacus var. levisporus

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
50
-
80% of maximum activity Thermoascus aurantiacus var. levisporus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
90 min, 70% residual activity Thermoascus aurantiacus var. levisporus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9
-
-
Thermoascus aurantiacus var. levisporus

pH Range

pH Minimum pH Maximum Comment Organism
7 9 more than 70% of maximum activity Thermoascus aurantiacus var. levisporus

pI Value

Organism Comment pI Value Maximum pI Value
Thermoascus aurantiacus var. levisporus isoelectric focusing
-
7.2