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Literature summary extracted from

  • Oguntimein, G.A.; Reilly, P.J.
    Properties of soluble and immobilized Aspergillus niger beta-xylosidase (1980), Biotechnol. Bioeng., 22, 1143-1154.
No PubMed abstract available

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.37 0.2
-
 o-nitrophenyl beta-D-xylopyranoside soluble beta-xylosidase I Aspergillus niger
3.2.1.37 0.26
-
 o-nitrophenyl beta-D-xylopyranoside immobilized beta-xylosidase II Aspergillus niger

Organism

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

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.37 cell culture
-
 Aspergillus niger
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.37 o-nitrophenyl beta-D-xylopyranoside + H2O
-
 Aspergillus niger o-nitrophenol + beta-D-xylopyranose
-
 ?
3.2.1.37 p-nitrophenyl beta-D-xylopyranoside + H2O
-
 Aspergillus niger p-nitrophenol + beta-D-xylopyranose
-
 ?

Synonyms

EC Number Synonyms Comment Organism
3.2.1.37 beta-xylosidase I soluble form Aspergillus niger
3.2.1.37 beta-xylosidase II immobilized on silica or alumina Aspergillus niger

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.37 65
-
 highly stable at pH 4.0, immobilized beta-xylosidase II 10 times more stable Aspergillus niger

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.37 3
-
 both, soluble and immobilized forms Aspergillus niger

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.2.1.37 4
-
 soluble beat-xylosidase I, highly stable up to, immobilized beta-xylosidase II 10 times more stable Aspergillus niger