From Wikipedia, the free encyclopedia
N-acetylneuraminylgalactosylglucosylceramide beta-1,4-N-acetylgalactosaminyltransferase
Identifiers
EC no. 2.4.1.165
CAS no. 109136-50-7
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Search
PMC articles
PubMed articles
NCBI proteins

N-acetylneuraminylgalactosylglucosylceramide beta-1,4-N-acetylgalactosaminyltransferase ( EC 2.4.1.165, is an enzyme [1] [2] [3] that catalyses the following chemical reaction:

UDP-N-acetyl-D-galactosamine + N-acetylneuraminyl-(2->3)-alpha-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide UDP + N-acetyl-D-galactosaminyl-(1->4)-beta-N-acetylneuraminyl-(2->3)-alpha-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide

This enzyme requires Mn2+.

Nomenclature

This enzyme is also known as uridine diphosphoacetylgalactosamine-acetylneuraminyl(alpha2->3)galactosyl(beta1->4)glucosyl beta1->4-acetylgalactosaminyltransferase, UDP-N-acetyl-D-galactosamine:N-acetylneuraminyl-2,3-alpha-D-galactosyl-1,4-beta-D-glucosylceramide beta-1,4-N-acetylgalactosaminyltransferase) with systematic name UDP-N-acetyl-D-galactosamine:N-acetylneuraminyl-(2->3)-alpha-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide 4-beta-N-acetylgalactosaminyltransferase.

References

  1. ^ Chien JL, Williams T, Basu S (March 1973). "Biosynthesis of a globoside-type glycosphingolipid by a -N-acetylgalactosaminyltransferase from embryonic chicken brain". The Journal of Biological Chemistry. 248 (5): 1778–85. PMID  4632917.
  2. ^ Piller F, Blanchard D, Huet M, Cartron JP (June 1986). "Identification of a alpha-NeuAc-(2----3)-beta-D-galactopyranosyl N-acetyl-beta-D-galactosaminyltransferase in human kidney". Carbohydrate Research. 149 (1): 171–84. doi: 10.1016/S0008-6215(00)90376-8. PMID  2425965.
  3. ^ Takeya A, Hosomi O, Kogure T (January 1987). "Identification and characterization of UDP-GalNAc: NeuAc alpha 2-3Gal beta 1-4Glc(NAc) beta 1-4(GalNAc to Gal)N-acetylgalactosaminyltransferase in human blood plasma". Journal of Biochemistry. 101 (1): 251–9. PMID  3106337.

External links

From Wikipedia, the free encyclopedia
N-acetylneuraminylgalactosylglucosylceramide beta-1,4-N-acetylgalactosaminyltransferase
Identifiers
EC no. 2.4.1.165
CAS no. 109136-50-7
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Search
PMC articles
PubMed articles
NCBI proteins

N-acetylneuraminylgalactosylglucosylceramide beta-1,4-N-acetylgalactosaminyltransferase ( EC 2.4.1.165, is an enzyme [1] [2] [3] that catalyses the following chemical reaction:

UDP-N-acetyl-D-galactosamine + N-acetylneuraminyl-(2->3)-alpha-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide UDP + N-acetyl-D-galactosaminyl-(1->4)-beta-N-acetylneuraminyl-(2->3)-alpha-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide

This enzyme requires Mn2+.

Nomenclature

This enzyme is also known as uridine diphosphoacetylgalactosamine-acetylneuraminyl(alpha2->3)galactosyl(beta1->4)glucosyl beta1->4-acetylgalactosaminyltransferase, UDP-N-acetyl-D-galactosamine:N-acetylneuraminyl-2,3-alpha-D-galactosyl-1,4-beta-D-glucosylceramide beta-1,4-N-acetylgalactosaminyltransferase) with systematic name UDP-N-acetyl-D-galactosamine:N-acetylneuraminyl-(2->3)-alpha-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide 4-beta-N-acetylgalactosaminyltransferase.

References

  1. ^ Chien JL, Williams T, Basu S (March 1973). "Biosynthesis of a globoside-type glycosphingolipid by a -N-acetylgalactosaminyltransferase from embryonic chicken brain". The Journal of Biological Chemistry. 248 (5): 1778–85. PMID  4632917.
  2. ^ Piller F, Blanchard D, Huet M, Cartron JP (June 1986). "Identification of a alpha-NeuAc-(2----3)-beta-D-galactopyranosyl N-acetyl-beta-D-galactosaminyltransferase in human kidney". Carbohydrate Research. 149 (1): 171–84. doi: 10.1016/S0008-6215(00)90376-8. PMID  2425965.
  3. ^ Takeya A, Hosomi O, Kogure T (January 1987). "Identification and characterization of UDP-GalNAc: NeuAc alpha 2-3Gal beta 1-4Glc(NAc) beta 1-4(GalNAc to Gal)N-acetylgalactosaminyltransferase in human blood plasma". Journal of Biochemistry. 101 (1): 251–9. PMID  3106337.

External links


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