Transcription and mRNA export factor ENY2 - Q9NPA8 (ENY2_HUMAN)

 

Protein Feature View of PDB entries mapped to a UniProtKB sequence  

  • Number of PDB entries for Q9NPA8: 1
 
Function
Involved in mRNA export coupled transcription activation by association with both the TREX-2 and the SAGA complexes. The transcription regulatory histone acetylation (HAT) complex SAGA is a multiprotein complex that activates transcription by remodeling chromatin and mediating histone acetylation and deubiquitination. Within the SAGA complex, participates in a subcomplex that specifically deubiquitinates both histones H2A and H2B. The SAGA complex is recruited to specific gene promoters by activators such as MYC, where it is required for transcription. Required for nuclear receptor-mediated transactivation. The TREX-2 complex functions in docking export-competent ribonucleoprotein particles (mRNPs) to the nuclear entrance of the nuclear pore complex (nuclear basket). TREX-2 participates in mRNA export and accurate chromatin positioning in the nucleus by tethering genes to the nuclear periphery. UniProt
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Subunit Structure
Component of the nuclear pore complex (NPC)-associated TREX-2 complex (transcription and export complex 2), composed of at least ENY2, GANP, PCID2, SEM1, and either centrin CETN2 or CETN3. TREX-2 contains 2 ENY2 chains. The TREX-2 complex interacts with the nucleoporin NUP153 (PubMed:22307388). Component of some SAGA transcription coactivator-HAT complexes, at least composed of ATXN7, ATXN7L3, ENY2, GCN5L2, SUPT3H, TAF10, TRRAP and USP22. Within the SAGA complex, ENY2, ATXN7, ATXN7L3, and USP22 form an additional subcomplex of SAGA called the DUB module (deubiquitination module) (PubMed:18206972, PubMed:21746879, PubMed:27601583). Interacts directly with ATXN7L3, GANP and with the RNA polymerase II (PubMed:22307388). Interacts strongly with ATXN7L3 and ATXN7L3B (PubMed:27601583). UniProt
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