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Literature summary for 3.2.1.23 extracted from

  • Dutta, P.; Majumder, G.C.
    Purification and characterization of rat epididymal neutral beta-galactosidase and its changes during in vivo development (1993), Biochem. Cell Biol., 71, 22-26.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Hg2+
-
Rattus norvegicus
Pb2+
-
Rattus norvegicus
PCMB 1 mM, complete inhibition Rattus norvegicus
Zn2+ 0.05 mM, 40% inhibition Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2
-
p-nitrophenyl beta-D-galactopyranoside
-
Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Rattus norvegicus 5829
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
50000
-
gel filtration Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
neutral beta-galactosidase
-

Purification (Commentary)

Purification (Comment) Organism
neutral beta-galactosidase Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
epididymis
-
Rattus norvegicus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
52
-
-
Rattus norvegicus

Storage Stability

Storage Stability Organism
-10°C, stable for several months Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
p-nitrophenyl-beta-D-galactoside + H2O
-
Rattus norvegicus p-nitrophenol + beta-D-galactose
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6 7.5 pH 6.0: about 30% of maximal activity, pH 7.5: about 35% of maximal activity Rattus norvegicus
7
-
neutral beta-galactosidase Rattus norvegicus