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Literature summary extracted from

  • Shei, J.C.; Fratzke, A.R.; Frederick, M.M.; Frederick, J.R.; Reilly, P.J.
    Purification and characterization of endo-xylanases from Aspergillus niger. II. An enzyme of pI 4.5 (1985), Biotechnol. Bioeng., 27, 533-538.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.8 Cr2+ 7.5 mM, strong inhibition Aspergillus niger
3.2.1.8 Cu2+ 7.5 mM, strong inhibition Aspergillus niger
3.2.1.8 Hg2+ 7.5 mM, strong inhibition Aspergillus niger
3.2.1.8 Mn2+ 7.5 mM, strong inhibition Aspergillus niger

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.8 16500
-
 gel filtration Aspergillus niger

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.8 Aspergillus niger
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.8
-
 Aspergillus niger

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
-
 Aspergillus niger additional information
-
 ?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.8 45
-
-
 Aspergillus niger

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.8 48
-
 pH 5.5-5.6, half-life: 40 h Aspergillus niger

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.8 4.9
-
-
 Aspergillus niger

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.2.1.8 3.5 6.5 pH 3.5: about 40% of maximal activity, pH 6.5: about 35% of maximal activity Aspergillus niger

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.2.1.8 5.5 5.6 48°C, 50% loss of activity after 40 h Aspergillus niger