FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term SMAD protein complex ID (Ontology) GO:0071141 (Gene Ontology)
Definition A protein complex that consists of only SMAD proteins; may be homomeric or heteromeric. Heteromeric complexes act as transcription factors while homomeric complexes exist but are transcriptionally inactive. Hetero- versus homotrimerization is largely enthalpy driven.[ PubMed:9670020 ]
Also Known As "SMAD complex"
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  cellular_component
   |__protein-containing complex
       |__SMAD protein complex  4 rec.
           |__heteromeric SMAD protein complex 4 rec.
           |__homomeric SMAD protein complex
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