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Details for heteromeric SMAD protein complex
Gene ontology ID
GO:0071144
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
Synonyms
1. SMAD1-SMAD4 protein complex
2. SMAD2-SMAD3-SMAD4 protein complex
3. SMAD2-SMAD4 protein complex
4. SMAD3-SMAD4 protein complex
2. SMAD2-SMAD3-SMAD4 protein complex
3. SMAD2-SMAD4 protein complex
4. SMAD3-SMAD4 protein complex
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