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

BRENDA support

Literature summary for 3.2.1.8 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

Inhibitors Comment Organism Structure
Hg2+
-
Aspergillus niger

Metals/Ions

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

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
28000
-
x * 28000, SDS-PAGE Aspergillus niger

Organism

Organism UniProt Comment Textmining
Aspergillus niger
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Aspergillus niger

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Aspergillus niger

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
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 ?
1,4-beta-D-xylan + H2O larchwood xylan Aspergillus niger additional information oligosaccharides of intermediate length especially xylotriose and xylopentaose ?
4-nitrophenyl beta-D-xylopyranoside + H2O
-
Aspergillus niger 4-nitrophenol + beta-D-xylopyranose
-
?
arabinogalactan + H2O slight activity Aspergillus niger ?
-
?
carboxymethylcellulose + H2O slight activity Aspergillus niger ?
-
?
glucomannan + H2O slight activity Aspergillus niger ?
-
?
xyloheptaose + H2O
-
Aspergillus niger xylobiose + xylotriose + xylotetraose
-
?
xylohexaose + H2O
-
Aspergillus niger additional information
-
?
xylopentaose + H2O
-
Aspergillus niger additional information
-
?

Subunits

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

Temperature Optimum [°C]

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

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5
-
-
Aspergillus niger

pH Range

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