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Literature summary for 2.4.1.90 extracted from

  • Helting, T.; Erbing, B.
    Galactosyltransfer in mouse mastocytoma: purification and properties of N-acetyllactosamine synthetase (1973), Biochim. Biophys. Acta, 293, 94-104.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
alpha-lactalbumin stimulates transfer of galactose from UDPgalactose to N-acetylgalactosamine Mus musculus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.25
-
UDPgalactose
-
Mus musculus
1
-
N-acetylglucosamine
-
Mus musculus

Localization

Localization Comment Organism GeneOntology No. Textmining
microsome
-
Mus musculus
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ can partially replace Mn2+ Mus musculus
Mg2+ can partially replace Mn2+ Mus musculus
Mn2+ required Mus musculus

Organism

Organism UniProt Comment Textmining
Mus musculus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Mus musculus

Source Tissue

Source Tissue Comment Organism Textmining
mastocytoma cell
-
Mus musculus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDPgalactose + glucose in presence of alpha-lactalbumin Mus musculus lactose + UDP
-
?
UDPgalactose + N-acetylglucosamine
-
Mus musculus UDP + N-acetyllactosamine
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.2
-
-
Mus musculus

pH Range

pH Minimum pH Maximum Comment Organism
5 9.3 pH 5.0: about 60% of maximal activity, pH 9.3: about 45% of maximal activity Mus musculus

pH Stability

pH Stability pH Stability Maximum Comment Organism
5 9
-
Mus musculus