Activating signal cointegrator 1 - Q9QXN3 (TRIP4_MOUSE)


Protein Feature View of PDB entries mapped to a UniProtKB sequence  

Transcription coactivator which associates with nuclear receptors, transcriptional coactivators including EP300, CREBBP and NCOA1, and basal transcription factors like TBP and TFIIA to facilitate nuclear receptors-mediated transcription. May thereby play an important role in establishing distinct coactivator complexes under different cellular conditions. Plays a role in thyroid hormone receptor and estrogen receptor transactivation (By similarity). Also involved in androgen receptor transactivation (PubMed:12077347). Plays a pivotal role in the transactivation of NF-kappa-B, SRF and AP1. Acts as a mediator of transrepression between nuclear receptor and either AP1 or NF-kappa-B. May play a role in the development of neuromuscular junction (By similarity). May play a role in late myogenic differentiation (PubMed:27008887). UniProt
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Subunit Structure
Interacts with the thyroid hormone receptor/TR (via the ligand-binding domain); this interaction requires the presence of thyroid hormone (By similarity). Interacts with the androgen receptor/AR; in an androgen, testosterone and dihydrotestosterone-dependent manner (By similarity). Interacts with ESR1 (estrogen ligand-bound); competes with UFSP2 (By similarity). Interacts with UFSP2; competes with ligand-bound ESR1 (By similarity). Interacts with DDRGK1 and UFL1; the interaction with DDRGK1 is direct (By similarity). Interacts with NCOA1 (By similarity). Interacts with EP300 (By similarity). Part of the ASC-1 complex, that contains TRIP4, ASCC1, ASCC2 and ASCC3 (PubMed:12077347). Interacts with NEK6 (By similarity). Interacts with CSRP1 (By similarity). Interacts with ZCCHC4 (By similarity). UniProt
The C4-type zinc finger mediates a competitive interaction with UFSP2 and ligand-bound nuclear receptors. It also mediates interaction with the transcriptional coactivators and the basal transcription machinery. UniProt
  • Isoforms: 2 , currently showing only the 'canonical' sequence.
  • Other Gene names: Trip4
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