FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term TRAPPI protein complex ID (Ontology) GO:1990070 (Gene Ontology)
Definition A complex that tethers COPII vesicles at ER-Golgi intermediate compartment. Its role in this part of the vesicular transport may start at the ER exit sites. Binds to a component of the COPII coat. In yeast it includes the following subunits: Bet3 (as homodimer), Bet5, Trs20, Trs23, Trs31, Trs33 which are regarded as the core subunits of all TRAPP complexes in yeast.[ PubMed:20375281 PubMed:22669257 ]
Also Known As"TRAPP core complex"
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Genes (FBgn)GO_CELLULAR_COMPONENT
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 TRAPPI protein complex (all annotations which use CV term, excluding "NOT" statements)
     part_of | TRAPPI protein complex
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cytoplasm
 |__endoplasmic reticulum-Golgi intermediate compartment__
intracellular membrane-bounded organelle                  |
 |__endoplasmic reticulum-Golgi intermediate compartment__|
vesicle tethering complex                                 |
 |__TRAPP complex_________________________________________|
intracellular protein-containing complex                  |
 |__TRAPP complex_________________________________________|
                                                          TRAPPI protein complex  1 rec.
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Is a TRAPP complex
Part of endoplasmic reticulum-Golgi intermediate compartment
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Synonyms
  • "TRAPP core complex" EXACT
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