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Literature summary for 3.2.1.37 extracted from

  • Gomes, D.; Gomes, J.; Steiner, W.
    Production of highly thermostable xylanase by a wild strain of thermophilic fungus Thermoascus aurantiacus and partial characterization of the enzyme (1994), J. Biotechnol., 37, 11-22 .
No PubMed abstract available

Localization

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

Organism

Organism UniProt Comment Textmining
Thermoascus aurantiacus
-
-
-
Thermoascus aurantiacus BT 2079
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
culture filtrate
-
Thermoascus aurantiacus
-

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
80
-
-
Thermoascus aurantiacus

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
50
-
assay at, about 70% of maximum activity Thermoascus aurantiacus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
84 days, 60% residual activity Thermoascus aurantiacus
70
-
half-life 113 h Thermoascus aurantiacus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5
-
-
Thermoascus aurantiacus

pH Range

pH Minimum pH Maximum Comment Organism
4 6 rapid inactivation below or above Thermoascus aurantiacus

Expression

Organism Comment Expression
Thermoascus aurantiacus optimized medium composition for production of xylanase/beta-xylosidase is 3.24% wheat straw (steam pretreated, particle size approx. 0.25 mm), 1.32% pharmamedia and 0.49% KH2PO4, leading to 5347.4 nkat/ml of xylanase, 3.0 nkat/ml of beta-xylosidase, 1.0 nkat/ml of acetyl esterase, 89.7 nkat/ml of acetyl xylan esterase and 3.5 nkat/ml of alpha-arabinosidase activities up