Term Information

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Accession
GO:0003947
Name
(N-acetylneuraminyl)-galactosylglucosylceramide N-acetylgalactosaminyltransferase activity
Ontology
molecular_function
Synonyms
GM2 synthase activity, GM2/GD2-synthase activity, GalNAc-T activity, UDP acetylgalactosamine-(N-acetylneuraminyl)-D-galactosyl-D-glucosylceramide acetylgalactosaminyltransferase activity, UDP-N-acetyl-D-galactosamine:(N-acetylneuraminyl)-D-galactosyl-D-glucosylceramide N-acetyl-D-galactosaminyltransferase activity, UDP-N-acetyl-D-galactosamine:1-O-[O-(N-acetyl-alpha-neuraminosyl)-(2->3)-O-beta-D-galactopyranosyl-(1->4)-beta-D-glucopyranosyl]-ceramide 1,4-beta-N-acetyl-D-galactosaminyltransferase activity, UDP-N-acetylgalactosamine GM3 N-acetylgalactosaminyltransferase activity, asialo-GM2 synthase activity, beta-1,4N-aetylgalactosaminyltransferase activity, ganglioside GM2 synthase activity, ganglioside GM3 acetylgalactosaminyltransferase activity, uridine diphosphoacetylgalactosamine-acetylneuraminylgalactosylglucosylceramide acetylgalactosaminyltransferase activity, uridine diphosphoacetylgalactosamine-ganglioside GM3 acetylgalactosaminyltransferase activity, uridine diphosphoacetylgalactosamine-hematoside acetylgalactosaminyltransferase activity
Alternate IDs
None
Definition
Catalysis of the reaction: UDP-N-acetyl-D-galactosamine + (N-acetylneuraminyl)-D-galactosyl-D-glucosylceramide = UDP + N-acetyl-D-galactosaminyl-(N-acetylneuraminyl)-D-galactosyl-D-glucosylceramide. Source: EC:2.4.1.92
Comment
None
History
See term history for GO:0003947 at QuickGO
Chem. react.
has participant hydron
has participant UDP-N-acetyl-alpha-D-galactosamine(2-)
has participant alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acylsphingosine(1-)
has participant UDP(3-)
has participant beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(1-)
Subset
None
Include "regulates"
For more information, please see the ontology relation documentation.

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Graph of GO:0003947 from QuickGO

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Parents of (N-acetylneuraminyl)-galactosylglucosylceramide N-acetylgalactosaminyltransferase activity (GO:0003947)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
(N-acetylneuraminyl)-galactosylglucosylceramide N-acetylgalactosaminyltransferase activity [RO:0000057 relation] RO:0000057  hydron (CHEBI:15378)
(N-acetylneuraminyl)-galactosylglucosylceramide N-acetylgalactosaminyltransferase activity [RO:0000057 relation] RO:0000057  UDP-N-acetyl-alpha-D-galactosamine(2-) (CHEBI:67138)
(N-acetylneuraminyl)-galactosylglucosylceramide N-acetylgalactosaminyltransferase activity [is_a relation] is_a  acetylgalactosaminyltransferase activity (GO:0008376)
(N-acetylneuraminyl)-galactosylglucosylceramide N-acetylgalactosaminyltransferase activity [RO:0000057 relation] RO:0000057  alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acylsphingosine(1-) (CHEBI:60065)
(N-acetylneuraminyl)-galactosylglucosylceramide N-acetylgalactosaminyltransferase activity [RO:0000057 relation] RO:0000057  UDP(3-) (CHEBI:58223)
(N-acetylneuraminyl)-galactosylglucosylceramide N-acetylgalactosaminyltransferase activity [RO:0000057 relation] RO:0000057  beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(1-) (CHEBI:71502)

This term has no children.

EC
2.4.1.92
MetaCyc
2.4.1.92-RXN
Reactome
R-HSA-8856223
RHEA
12588