FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term alpha,alpha-trehalose-phosphate synthase (UDP-forming) activity ID (Ontology) GO:0003825 (Gene Ontology)
Definition Catalysis of the reaction: UDP-glucose + D-glucose-6-phosphate = UDP + alpha,alpha-trehalose-6-phosphate.[ EC:2 ]
Also Known As"transglucosylase activity" ; "trehalose 6-phosphate synthase activity" ; "trehalose 6-phosphate synthetase activity" (for all, see Synonyms field below)
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Data ClassFieldDirect annotations
Genes (FBgn)GO_MOLECULAR_FUNCTION
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 alpha,alpha-trehalose-phosphate synthase (UDP-forming) activity (all annotations which use CV term, excluding "NOT" statements)
     enables | alpha,alpha-trehalose-phosphate synthase (UDP-forming) activity
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UDP-glycosyltransferase activity__
glucosyltransferase activity______|
                                  UDP-glucosyltransferase activity
                                   |__alpha,alpha-trehalose-phosphate synthase (UDP-forming) activity  1 rec.
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Is a UDP-glucosyltransferase activity
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Synonyms
  • "alpha,alpha-trehalose phosphate synthase (UDP-forming)" RELATED[ EC:2 ]
    "phosphotrehalose-uridine diphosphate transglucosylase activity" RELATED[ EC:2 ]
    "transglucosylase activity" EXACT
    "trehalose 6-phosphate synthase activity" EXACT
    "trehalose 6-phosphate synthetase activity" EXACT
    "trehalose phosphate synthase activity" RELATED[ EC:2 ]
    "trehalose phosphate synthetase activity" RELATED[ EC:2 ]
    "trehalose phosphate-uridine diphosphate glucosyltransferase activity" RELATED[ EC:2 ]
    "trehalose-P synthetase activity" RELATED[ EC:2 ]
    "trehalose-phosphate synthase activity" EXACT
    "trehalose-phosphate synthetase activity" EXACT
    "trehalosephosphate-UDP glucosyl transferase activity" EXACT
    "trehalosephosphate-UDP glucosyltransferase activity" EXACT
    "UDP-glucose-glucose-phosphate glucosyltransferase activity" EXACT
    "UDP-glucose-glucosephosphate glucosyltransferase activity" RELATED[ EC:2 ]
    "UDP-glucose:D-glucose-6-phosphate 1-alpha-D-glucosyltransferase activity" EXACT
    "UDPglucose-glucose-phosphate glucosyltransferase activity" RELATED[ EC:2 ]
    "UDPglucose:D-glucose-6-phosphate 1-alpha-D-glucosyltransferase activity" RELATED[ EC:2 ]
    "uridine diphosphoglucose phosphate glucosyltransferase activity" RELATED[ EC:2 ]
Secondary IDs
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EC:2.4.1.15
MetaCyc:TREHALOSE6PSYN-RXN
RHEA:18889