FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term UDP-glucose 4-epimerase activity ID (Ontology) GO:0003978 (Gene Ontology)
Definition Catalysis of the reaction: UDP-glucose = UDP-galactose.[ EC:5 ]
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Genes (FBgn)GO_MOLECULAR_FUNCTION
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 UDP-glucose 4-epimerase activity (all annotations which use CV term, excluding "NOT" statements)
     enables | UDP-glucose 4-epimerase activity
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  racemase and epimerase activity
   |__racemase and epimerase activity, acting on carbohydrates and derivatives
       |__UDP-glucose 4-epimerase activity  1 rec.
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Is a racemase and epimerase activity, acting on carbohydrates and derivatives
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Synonyms
  • "4-epimerase activity" RELATED[ EC:5 ]
    "galactowaldenase activity" RELATED[ EC:5 ]
    "UDP-D-galactose 4-epimerase activity" RELATED[ EC:5 ]
    "UDP-galactose 4-epimerase activity" RELATED[ EC:5 ]
    "UDP-glucose epimerase activity" RELATED[ EC:5 ]
    "UDPG-4-epimerase activity" RELATED[ EC:5 ]
    "UDPgalactose 4-epimerase activity" RELATED[ EC:5 ]
    "UDPglucose 4-epimerase activity" RELATED[ EC:5 ]
    "uridine diphosphate galactose 4-epimerase activity" RELATED[ EC:5 ]
    "uridine diphosphate glucose 4-epimerase activity" RELATED[ EC:5 ]
    "uridine diphospho-galactose-4-epimerase activity" RELATED[ EC:5 ]
    "uridine diphosphoglucose 4-epimerase activity" RELATED[ EC:5 ]
    "uridine diphosphoglucose epimerase activity" RELATED[ EC:5 ]
Secondary IDs
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EC:5.1.3.2
MetaCyc:UDPGLUCEPIM-RXN
Reactome:R-HSA-5610036 "Defective GALE does not epimerise UDP-Gal to UDP-Glc"
Reactome:R-HSA-70369 "GALE:NAD+ dimer reversibly epimerises UDP-Gal to UDP-Glc"
RHEA:22168