FB2026_02 , released June 18, 2026
FB2026_02 , released June 18, 2026
CV Term Report
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General Information
Term N-acetylgalactosaminide beta-1,3-galactosyltransferase activity ID (Ontology) GO:0016263 (Gene Ontology)
Definition Catalysis of the reaction: an N-acetyl-alpha-D-galactosaminyl derivative + UDP-alpha-D-galactose = a beta-D-galactosyl-(1->3)-N-acetyl-alpha-D-galactosaminyl derivative + UDP + H+.
Also Known As "glycoprotein-N-acetylgalactosamine 3-beta-galactosyltransferase activity"
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Data ClassFieldDirect annotations
Genes (FBgn)GO_MOLECULAR_FUNCTION
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 N-acetylgalactosaminide beta-1,3-galactosyltransferase activity (all annotations which use CV term, excluding "NOT" statements)
     enables | N-acetylgalactosaminide beta-1,3-galactosyltransferase activity       --
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UDP-glycosyltransferase activity
 |__UDP-galactosyltransferase activity____________
galactosyltransferase activity                    |
 |__UDP-galactosyltransferase activity____________|
 |__beta-1,3-galactosyltransferase activity_______|
catalytic activity, acting on a protein           |
 |__catalytic activity, acting on a glycoprotein__|
                                                  N-acetylgalactosaminide beta-1,3-galactosyltransferase activity  12 rec.
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Is a UDP-galactosyltransferase activity
beta-1,3-galactosyltransferase activity
catalytic activity, acting on a glycoprotein
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Synonyms
  • "Core 1 GalT" RELATED
    "glycoprotein-N-acetylgalactosamine 3-beta-galactosyltransferase activity" EXACT[ EC:2 ]
    "UDP-galactose:glycoprotein-N-acetyl-D-galactosamine 3-beta-D-galactosyltransferase activity" RELATED[ EC:2 ]
    "UDPgalactose:glycoprotein-N-acetyl-D-galactosamine 3-beta-D-galactosyltransferase activity" RELATED[ EC:2 ]
    "uridine diphosphogalactose-mucin beta-(1->3)-galactosyltransferase activity" RELATED[ EC:2 ]
Secondary IDs
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EC:2.4.1.122
MetaCyc:RXN-18266
Reactome:R-HSA-1964505 "C1GALT1 transfers Galactose to the Tn antigen forming Core 1 glycoproteins (T antigens)"
Reactome:R-HSA-6785524 "Defective C1GALT1C1 does not bind C1GALT1"
RHEA:15621
RHEA:36763
RHEA:56196
RHEA:56200