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Literature summary for 2.4.1.38 extracted from

  • Rao, A.K.; Garver, F.; Mendicino, J.
    Biosynthesis of the carbohydrate units of immunoglobulins. 1. Purification and properties of galactosyltransferases from swine mesentary lymph nodes (1976), Biochemistry, 15, 5001-5009.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
N-acetylglucosamine competitively inhibits the transfer of galactose to glycoprotein substrates Sus scrofa
p-nitrophenyl 2-acetamido-2-deoxy-beta-glucoside competitively inhibits the transfer of galactose to glycoprotein substrates Sus scrofa
UDP competitively inhibits the transfer of galactose to glycoprotein substrates Sus scrofa
UMP competitively inhibits the transfer of galactose to glycoprotein substrates Sus scrofa

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.02
-
immunoglobulin G heavy chain
-
Sus scrofa
0.022
-
UDPgalactose
-
Sus scrofa
0.029
-
fetuin
-
Sus scrofa
0.054
-
ovalbumin
-
Sus scrofa
0.25
-
glycopeptide from porcine immunoglobulin G
-
Sus scrofa
0.66
-
p-nitrophenyl 2-acetamido-2-deoxy-beta-glucoside
-
Sus scrofa
5.8
-
N-acetylglucosamine
-
Sus scrofa

Localization

Localization Comment Organism GeneOntology No. Textmining
membrane
-
Sus scrofa 16020
-
soluble
-
Sus scrofa
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
57000
-
sucrose density gradient centrifugation Sus scrofa

Organism

Organism UniProt Comment Textmining
Sus scrofa
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Sus scrofa

Source Tissue

Source Tissue Comment Organism Textmining
mesenteric lymph node
-
Sus scrofa
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.035
-
-
Sus scrofa

Storage Stability

Storage Stability Organism
-20°C, 0.02 M Tris/HCl buffer, pH 7.5, stable for several months Sus scrofa

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-alpha-D-galactose + glycopeptide from porcine immunoglobulin G
-
Sus scrofa ?
-
?
UDP-alpha-D-galactose + immunoglobulin G heavy chain
-
Sus scrofa ?
-
?
UDPgalactose + fetuin
-
Sus scrofa ?
-
?
UDPgalactose + immunoglobulin heavy chain
-
Sus scrofa ?
-
?
UDPgalactose + N-acetyl-beta-D-glucosaminyl-glycopeptide glycopeptide prepared from porcine IgG immunoglobulin Sus scrofa UDP + beta-D-galactosyl-1,4-N-acetyl-beta-D-glucosaminylglycopeptide
-
?
UDPgalactose + N-acetylglucosamine
-
Sus scrofa UDP + N-acetyllactosamine
-
?
UDPgalactose + ovalbumin
-
Sus scrofa ?
-
?
UDPgalactose + p-nitrophenyl 2-acetamido-2-deoxy-beta-glucoside
-
Sus scrofa ?
-
?

Subunits

Subunits Comment Organism
monomer 1 * 57000, SDS-PAGE Sus scrofa

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.8
-
-
Sus scrofa