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Literature summary extracted from

  • Pedersen, M.; Lauritzen, H.K.; Frisvad, J.C.; Meyer, A.S.
    Identification of thermostable beta-xylosidase activities produced by Aspergillus brasiliensis and Aspergillus niger (2007), Biotechnol. Lett., 29, 743-748.
    View publication on PubMed

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.37 Aspergillus brasiliensis
-
-
-
3.2.1.37 Aspergillus japonicus
-
-
-
3.2.1.37 Aspergillus niger
-
-
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.37 0.08
-
 pH 5.0, 40°C Aspergillus japonicus
3.2.1.37 0.66
-
 pH 5.0, 60°C Aspergillus japonicus
3.2.1.37 1.07
-
 pH 5.0, 40°C Aspergillus niger
3.2.1.37 11.08
-
 pH 5.0, 40°C Aspergillus brasiliensis
3.2.1.37 15.5
-
 pH 5.0, 75°C Aspergillus niger
3.2.1.37 25.67
-
 pH 5.0, 75°C Aspergillus brasiliensis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.37 wheat arabinoxylan + H2O
-
 Aspergillus niger D-xylose + ?
-
 ?
3.2.1.37 wheat arabinoxylan + H2O
-
 Aspergillus japonicus D-xylose + ?
-
 ?
3.2.1.37 wheat arabinoxylan + H2O
-
 Aspergillus brasiliensis D-xylose + ?
-
 ?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.37 60
-
-
 Aspergillus japonicus
3.2.1.37 75
-
-
 Aspergillus niger
3.2.1.37 75
-
-
 Aspergillus brasiliensis

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.37 60
-
 1 h, 62% residual activity Aspergillus brasiliensis
3.2.1.37 60
-
 1 h, 99% residual activity Aspergillus niger
3.2.1.37 75
-
 1 h, 38% residual activity Aspergillus brasiliensis
3.2.1.37 75
-
 1 h, 44% residual activity Aspergillus niger

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.37 5
-
-
 Aspergillus niger
3.2.1.37 5
-
-
 Aspergillus japonicus
3.2.1.37 5
-
-
 Aspergillus brasiliensis