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Literature summary extracted from

  • van Casteren, W.H.; Eimermann, M.; van den Broek, L.A.; Vincken, J.P.; Schols, H.A.; Voragen, A.G.
    Purification and characterisation of a beta-galactosidase from Aspergillus aculeatus with activity towards (modified) exopolysaccharides from Lactococcus lactis subsp. cremoris B39 and B891 (2000), Carbohydr. Res., 329, 75-85.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.23 D-galactose 10 mM, inhibits hydrolysis of p-nitrophenyl beta-D-galactopyranoside at substrate concentrations below 3 mM Aspergillus aculeatus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.23 110000
-
 x * 110000, SDS-PAGE Aspergillus aculeatus
3.2.1.23 130000
-
 gel filtration Aspergillus aculeatus

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.23 Aspergillus aculeatus
-
-
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.2.1.23 glycoprotein
-
 Aspergillus aculeatus

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.23
-
 Aspergillus aculeatus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.23 exopolysaccharide + H2O modified exopolysaccharides produced by Lactococcus lactis subsp. cremonis B39 and B891 Aspergillus aculeatus beta-D-galactose + ?
-
 ?
3.2.1.23 lactose + H2O
-
 Aspergillus aculeatus D-glucose + D-galactose
-
 ?
3.2.1.23 p-nitrophenyl beta-D-galactopyranoside + H2O
-
 Aspergillus aculeatus p-nitrophenol + beta-D-galactose
-
 ?

Subunits

EC Number Subunits Comment Organism
3.2.1.23 ? x * 110000, SDS-PAGE Aspergillus aculeatus

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.23 55 60 McIlvaine buffer Aspergillus aculeatus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.23 5.4
-
 NaOAc buffer Aspergillus aculeatus

pI Value

EC Number Organism Comment pI Value Maximum pI Value
3.2.1.23 Aspergillus aculeatus isoelectric focusing, pH-gradient 4-6.5
-
 4.9