id | GO:0016592   Detailed information |
---|---|
  name | mediator complex |
  namespace | cellular_component |
  alt_id | GO:0000119 |
  def | "A protein complex that interacts with the carboxy-terminal domain of the largest subunit of RNA polymerase II and plays an active role in transducing the signal from a transcription factor to the transcriptional machinery. The mediator complex is required for activation of transcription of most protein-coding genes, but can also act as a transcriptional corepressor. The Saccharomyces complex contains several identifiable subcomplexes: a head domain comprising Srb2, -4, and -5, Med6, -8, and -11, and Rox3 proteins; a middle domain comprising Med1, -4, and -7, Nut1 and -2, Cse2, Rgr1, Soh1, and Srb7 proteins; a tail consisting of Gal11p, Med2p, Pgd1p, and Sin4p; and a regulatory subcomplex comprising Ssn2, -3, and -8, and Srb8 proteins. Metazoan mediator complexes have similar modular structures and include homologs of yeast Srb and Med proteins." [PMID:11454195, PMID:16168358, PMID:17870225] |
  synonym | "CDK8-containing TRAP/mediator complex" RELATED [] |
  synonym | "L mediator complex" EXACT [] |
  synonym | "Srb-mediator complex" EXACT [GOC:mah] |
  synonym | "TRAP complex" NARROW [] |
  xref | Wikipedia:Mediator_(coactivator) |
  is_a | GO:0043234 ! protein complex |
  is_a | GO:0044451 ! nucleoplasm part |
  relationship | has_part GO:0070847 ! core mediator complex |
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