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Literature summary for 2.4.1.38 extracted from

  • Fraser, I.H.; Wadden, P.; Mookerjea, S.
    Purification and stabilization of galactosyltransferase from serum and lysolecithin extracted microsomes (1980), Can. J. Biochem., 58, 878-884.
    View publication on PubMed

Activating Compound

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

General Stability

General Stability Organism
ammonium sulfate stabilizes during storage Rattus norvegicus
glycerol stabilizes during storage Rattus norvegicus

Inhibitors

Inhibitors Comment Organism Structure
alpha-lactalbumin
-
Rattus norvegicus
EDTA
-
Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0118
-
UDPgalactose enzyme from liver microsomal membrane Rattus norvegicus
0.01205
-
UDPgalactose enzyme from serum Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
microsome
-
Rattus norvegicus
-
-
soluble
-
Rattus norvegicus
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mn2+ required Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Rattus norvegicus
-
serum
-
Rattus norvegicus
-

Storage Stability

Storage Stability Organism
-20°C, bovine serum albumin, stable for up to 60 d Rattus norvegicus

Substrates and Products (Substrate)

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

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5
-
-
Rattus norvegicus