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Literature summary extracted from

  • Biswas, S.R.; Jana, S.C.; Mishra, A.K.; Nanda, G.
    Production , purification and characterization of xylanase from hyperxylanolytic mutant of Aspergillus ochraceus (1990), Biotechnol. Bioeng., 35, 244-251.
    View publication on PubMed

General Stability

EC Number General Stability Organism
3.2.1.8 K+ stabilizes against thermal inactivation Aspergillus ochraceus

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.8 Ca2+ CaCl2 Aspergillus ochraceus
3.2.1.8 Cd2+ CdCl2 Aspergillus ochraceus
3.2.1.8 Co2+ CoCl2 Aspergillus ochraceus
3.2.1.8 Cu2+ CuSO4 Aspergillus ochraceus
3.2.1.8 DTNB
-
 Aspergillus ochraceus
3.2.1.8 Fe2+ FeCl2, FeSO4 Aspergillus ochraceus
3.2.1.8 Hg2+ HgCl2 Aspergillus ochraceus
3.2.1.8 MgCl2
-
 Aspergillus ochraceus
3.2.1.8 Mn2+ MnCl2 Aspergillus ochraceus
3.2.1.8 NEM
-
 Aspergillus ochraceus
3.2.1.8 Ni2+ NiCl2 Aspergillus ochraceus
3.2.1.8 PHMB
-
 Aspergillus ochraceus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.8 additional information
-
 additional information
-
 Aspergillus ochraceus

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.8 extracellular
-
 Aspergillus ochraceus
-
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.2.1.8 K+ slight stimulation Aspergillus ochraceus
3.2.1.8 Na+ slight stimulation Aspergillus ochraceus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.8 48000
-
 1 * 48000, SDS-PAGE Aspergillus ochraceus
3.2.1.8 50000
-
 gel filtration Aspergillus ochraceus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.8 1,4-beta-D-xylan + H2O Aspergillus ochraceus enzyme is secreted at high levels during growth on commercial xylan and on agricultural wastes ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.8 Aspergillus ochraceus
-
 wild-type and mutant strain NG-13
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.8
-
 Aspergillus ochraceus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.8 1,4-beta-D-xylan + H2O larchwood xylan Aspergillus ochraceus additional information xylobiose + xylotriose are produced from larchwood xylan ?
3.2.1.8 1,4-beta-D-xylan + H2O enzyme is secreted at high levels during growth on commercial xylan and on agricultural wastes Aspergillus ochraceus ?
-
 ?

Subunits

EC Number Subunits Comment Organism
3.2.1.8 monomer 1 * 48000, SDS-PAGE Aspergillus ochraceus

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.8 50
-
-
 Aspergillus ochraceus

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.8 additional information
-
 K+ stabilizes against thermal inactivation Aspergillus ochraceus
3.2.1.8 45
-
 37.5% loss of activity after 90 min, stable up to 30 min Aspergillus ochraceus
3.2.1.8 50
-
 87.5% loss of activity after 90 min Aspergillus ochraceus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.8 6
-
-
 Aspergillus ochraceus

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.2.1.8 5 10 45°C, 30 min, stable Aspergillus ochraceus