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

BRENDA support

Literature summary extracted from

  • Fournier, R.; Frederick, M.M.; Frederick, J.R.; Reilly, P.J.
    Purification and characterization of endo-xylanases from Aspergillus niger. III. An enzyme of pI 3.65 (1985), Biotechnol. Bioeng., 27, 539-546.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.8 Hg2+
-
 Aspergillus niger

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.2.1.8 Ca2+ 70 mM CaCl2, 50% activation Aspergillus niger

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.8 28000
-
 x * 28000, SDS-PAGE 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

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.8 additional information
-
-
 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 soluble xylan and insoluble xylan only after arabinosyl-initiated branch points are removed Aspergillus niger additional information oligosaccharides of intermediate length especially xylotriose and xylopentaose ?
3.2.1.8 1,4-beta-D-xylan + H2O larchwood xylan Aspergillus niger additional information oligosaccharides of intermediate length especially xylotriose and xylopentaose ?
3.2.1.8 4-nitrophenyl beta-D-xylopyranoside + H2O
-
 Aspergillus niger 4-nitrophenol + beta-D-xylopyranose
-
 ?
3.2.1.8 arabinogalactan + H2O slight activity Aspergillus niger ?
-
 ?
3.2.1.8 carboxymethylcellulose + H2O slight activity Aspergillus niger ?
-
 ?
3.2.1.8 glucomannan + H2O slight activity Aspergillus niger ?
-
 ?
3.2.1.8 xyloheptaose + H2O
-
 Aspergillus niger xylobiose + xylotriose + xylotetraose
-
 ?
3.2.1.8 xylohexaose + H2O
-
 Aspergillus niger additional information
-
 ?
3.2.1.8 xylopentaose + H2O
-
 Aspergillus niger additional information
-
 ?

Subunits

EC Number Subunits Comment Organism
3.2.1.8 ? x * 28000, SDS-PAGE Aspergillus niger

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.8 42
-
-
 Aspergillus niger

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.8 5
-
-
 Aspergillus niger

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.2.1.8 2.8 7.5 pH 2.8: about 30% of maximal activity, pH 7.5: about 40% of maximal activity Aspergillus niger