2.4.1.79: globotriaosylceramide 3-beta-N-acetylgalactosaminyltransferase This is an abbreviated version! For detailed information about globotriaosylceramide 3-beta-N-acetylgalactosaminyltransferase, go to the full flat file .
Reaction
UDP-N-acetyl-alpha-D-galactosamine +
alpha-D-galactosyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide =
UDP +
N-acetyl-beta-D-galactosaminyl-(1->3)-alpha-D-galactosyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide
Synonyms acetylgalactosaminyltransferase, uridine diphosphoacetylgalactosamine-galactosylgalactosylglucosylceramide, acetylgalactosaminyltransferase, uridine diphosphoacetylgalactosamine-glycosphingolipid, beta(1->3) N-acetylgalactosaminyltransferase, beta1,3GalNAc-T, EC 2.4.1.154, galactosylgalactosylglucosylceramide beta-D-acetylgalactosaminyltransferase, GalNAc transferase, globoside N-acetylgalactosaminyltransferase, globoside synthetase, glycosphingolipid beta-N-acetylgalactosaminyltransferase, UDP-N-acetylgalactosamine:globotriaosylceramide 3-beta-N-acetylgalactosaminyltransferase, UDP-N-acetylgalactosamine:globotriaosylceramide beta-3-N-acetylgalactosaminyltransferase
ECTree
Natural Substrates Products
Natural Substrates Products on EC 2.4.1.79 - globotriaosylceramide 3-beta-N-acetylgalactosaminyltransferase
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UDP-N-acetyl-D-galactosamine + D-galactosyl-1,4-D-galactosyl-1,4-D-glucosylceramide
UDP + N-acetyl-D-galactosaminyl-1,3-D-galactosyl-1,4-D-galactosyl-1,4-D-glucosylceramide
UDP-N-acetyl-D-galactosamine + globotriosylceramide
UDP + globotetraosylceramide
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glycosphingolipid metabolism
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UDP-N-acetyl-D-galactosamine + D-galactosyl-1,4-D-galactosyl-1,4-D-glucosylceramide
UDP + N-acetyl-D-galactosaminyl-1,3-D-galactosyl-1,4-D-galactosyl-1,4-D-glucosylceramide
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enzyme is involved in globoside biosynthesis
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UDP-N-acetyl-D-galactosamine + D-galactosyl-1,4-D-galactosyl-1,4-D-glucosylceramide
UDP + N-acetyl-D-galactosaminyl-1,3-D-galactosyl-1,4-D-galactosyl-1,4-D-glucosylceramide
the enzyme is responsible for synthesis of P blood group antigen. Mutations capable of abolishing enzyme function are present in individuals with the Pk phenotype
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