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Literature summary for 2.4.1.74 extracted from

  • Andersson, G.N.; Eriksson, L.C.
    Characterization of UDP-galactosyl:asialo-mucin transferase activity in the Golgi system of rat liver (1979), Biochim. Biophys. Acta, 570, 239-247.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
2-mercaptoethanol stimulation Rattus norvegicus
ATP inhibits at high UDPgalactose concentration, stimulates at low UDPgalactose concentration Rattus norvegicus

Inhibitors

Inhibitors Comment Organism Structure
ATP inhibits at high UDPgalactose concentration, stimulates at low UDPgalactose concentration Rattus norvegicus
EDTA inhibits probably due to complex binding to Mn2+ Rattus norvegicus
Triton X-100
-
Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
Golgi membrane
-
Rattus norvegicus 139
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mn2+ maximal activation by 5 mM MnCl2 Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
male albino Sprague-Dawley
-

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Rattus norvegicus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.0076
-
-
Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDPgalactose + glycosaminoglycan desialylated bovine submaxillary mucin type I, ovomucoid, ovalbumin, preferred substrate: desialylated mucin Rattus norvegicus UDP + D-galactosylglycosaminoglycan
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Rattus norvegicus

pH Range

pH Minimum pH Maximum Comment Organism
6.4 8 pH 6.4: about 50% of maximal activity, pH 8.0: about 90% of maximal activity at pH 8.0 Rattus norvegicus

Cofactor

Cofactor Comment Organism Structure
ATP stimulates at low UDPgalactose concentration, inhibits at high UDPgalactose concentration Rattus norvegicus