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Literature summary extracted from

  • Chen, H.; Yan, X.; Liu, X.; Wang, M.; Huang, H.; Jia, X.; Wang, J.
    Purification and characterization of novel bifunctional xylanase, XynIII, isolated from Aspergillus niger A-25 (2006), J. Microbiol. Biotechnol., 16, 1132-1138.
No PubMed abstract available

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.73 Ca2+ 90.98% residual activity at 1 mM Aspergillus niger
3.2.1.73 Co2+ 82.19% residual activity at 1 mM Aspergillus niger
3.2.1.73 Cu2+ 44% residual activity at 1 mM Aspergillus niger
3.2.1.73 EDTA 79.64% residual activity at 1 mM Aspergillus niger
3.2.1.73 Hg2+ complete inhibition at 1 mM Aspergillus niger
3.2.1.73 K+ 95.61% residual activity at 1 mM Aspergillus niger
3.2.1.73 Mn2+ 37.29% residual activity at 1 mM Aspergillus niger
3.2.1.73 Pb2+ 79.29% residual activity at 1 mM Aspergillus niger
3.2.1.73 Zn2+ 88.66% residual activity at 1 mM Aspergillus niger

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.2.1.73 Fe2+ 20.8% increase of activity at 1 mM Aspergillus niger
3.2.1.73 Mg2+ 5.3% increase of activity at 1 mM Aspergillus niger

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.73 27900
-
 SDS-PAGE Aspergillus niger

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.73 Aspergillus niger
-
-
-
3.2.1.73 Aspergillus niger A-25
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.73 DEAE-Sepharose CL-6B column chromatography Aspergillus niger

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.73 lichenin + H2O
-
 Aspergillus niger ?
-
 ?
3.2.1.73 lichenin + H2O
-
 Aspergillus niger A-25 ?
-
 ?
3.2.1.73 additional information does not hydrolyze carboxymethyl-cellulose or avicel cellulose Aspergillus niger ?
-
 ?
3.2.1.73 additional information does not hydrolyze carboxymethyl-cellulose or avicel cellulose Aspergillus niger A-25 ?
-
 ?

Synonyms

EC Number Synonyms Comment Organism
3.2.1.73 beta-(1,3-1,4)-glucanase
-
 Aspergillus niger
3.2.1.73 GluIII
-
 Aspergillus niger
3.2.1.73 XynIII bifunctional xylanase showing also beta-(1,3-1,4)-glucanase activity Aspergillus niger

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.73 50 60 sharp decrease in activity up to 60°C, but very stable below 50°C Aspergillus niger

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.73 3.6 5.6
-
 Aspergillus niger

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.2.1.73 3.6 10.6
-
 Aspergillus niger