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heteromeric SMAD protein complex
Term Information
Accession
GO:0071144
Name
heteromeric SMAD protein complex
Ontology
cellular_component
Synonyms
SMAD1-SMAD4 protein complex, SMAD2-SMAD3-SMAD4 protein complex, SMAD2-SMAD4 protein complex, SMAD3-SMAD4 protein complex
Alternate IDs
GO:0071145, GO:0071146
Definition
A protein complex composed of SMAD family proteins, a transcription factor complex which binds to the promoters of target genes and recruits co-activators and histone acetyltransferases, facilitating transcription. Phosphorylation of the non-SMAD4 subunit(s) enables binding of SMAD4 to form heteromeric complexes that enter the nucleus to initiate gene transcription. DNA-binding specificity is conferred by other transcription factors binding to SMAD complexes. Interactions with coactivators or corepressors modulate their transcriptional activity. Can be heterotrimeric or heterodimeric.
Source:PMID:9389648,
PMID:15350224,
PMID:11779505,
GOC:mah,
PMID:9670020,
PMID:16322555,
GOC:bhm
Link
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Link
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