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Literature summary for 3.2.1.23 extracted from

  • O'Mahony, M.R.; Kelly, C.T.; Fogarty, W.M.
    Extracellular beta-galactosidase of Paecilomyces varioti (1988), Biochem. Soc. Trans., 16, 183-184.
No PubMed abstract available
Search for more literature for 3.2.1.23

Application

Application Comment Organism
nutrition enzyme is a potential catalyst in whey-processing programmes Paecilomyces variotii

Inhibitors

Inhibitors Comment Organism Structure
1-D-galactosylamine mixed-type inhibition Paecilomyces variotii
D-glucono-delta-lactone mixed-type inhibition Paecilomyces variotii
p-hydroxymercuribenzoate 1 mM, complete inactivation Paecilomyces variotii
PCMB 10 mM, 20% loss of activity Paecilomyces variotii

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
64
-
 lactose
-
 Paecilomyces variotii

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
 Paecilomyces variotii
-
-

Organism

Organism UniProt Comment Textmining
Paecilomyces variotii
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein
-
 Paecilomyces variotii

Purification (Commentary)

Purification (Comment) Organism
-
 Paecilomyces variotii

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
lactose + H2O
-
 Paecilomyces variotii D-glucose + D-galactose
-
 ?
o-nitrophenyl-beta-D-galactoside + H2O weak activity Paecilomyces variotii o-nitrophenol + beta-D-galactose
-
 ?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
 Paecilomyces variotii

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
 3 h, in presence of 4% w/v lactose, completely stable Paecilomyces variotii

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
3.5
-
-
 Paecilomyces variotii