FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
CV Term Report
Help Close All Open All
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"
Comment
Links to External Ontologies
  QuickGO data     AmiGO data
Annotations
Records annotated with this term OR any of its CHILD TERMS
    Results list data from multiple species. Click on a button above and use the 'Filter by species' options on the resulting HitList to retrieve species-specific data.
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Genes (FBgn)  GO_MOLECULAR_FUNCTION      11
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Gene Groups Genes
 N-acetylgalactosaminide beta-1,3-galactosyltransferase activity (all annotations which use CV term, excluding "NOT" statements)       1     11
     enables | N-acetylgalactosaminide beta-1,3-galactosyltransferase activity       --      11
Spanning Tree (Parents/Children)
Only view relationship: 
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.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a UDP-galactosyltransferase activity
beta-1,3-galactosyltransferase activity
catalytic activity, acting on a glycoprotein
Part of
hide Synonyms & Secondary IDs
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
hide External Crossreferences & Linkouts
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