TAF1 (NM_138923) - TATA-box binding protein associated factor 1

Transcription Initiation Factor Tfiid Subunit 1 Isoform 2

Mutations Visualisation

Protein summary

This is preferred isoform of TAF1 protein. View all 3 isoforms
TAF1: transcription initiation factor TFIID subunit 1 isoform 2
Description:

Initiation of transcription by RNA polymerase II requires the activities of more than 70 polypeptides. The protein that coordinates these activities is the basal transcription factor TFIID, which binds to the core promoter to position the polymerase properly, serves as the scaffold for assembly of the remainder of the transcription complex, and acts as a channel for regulatory signals. TFIID is composed of the TATA-binding protein (TBP) and a group of evolutionarily conserved proteins known as TBP-associated factors or TAFs. TAFs may participate in basal transcription, serve as coactivators, function in promoter recognition or modify general transcription factors (GTFs) to facilitate complex assembly and transcription initiation. This gene encodes the largest subunit of TFIID. This subunit binds to core promoter sequences encompassing the transcription start site. It also binds to activators and other transcriptional regulators, and these interactions affect the rate of transcription initiation. This subunit contains two independent protein kinase domains at the N- and C-terminals, but also possesses acetyltransferase activity and can act as a ubiquitin-activating/conjugating enzyme. Mutations in this gene result in Dystonia 3, torsion, X-linked, a dystonia-parkinsonism disorder. Alternative splicing of this gene results in multiple transcript variants. This gene is part of a complex transcription unit (TAF1/DYT3), wherein some transcript variants share exons with TAF1 as well as additional downstream DYT3 exons. [provided by RefSeq, Oct 2013].

Strand
+
Chromosome
X
Protein
1872 residues
All mutations
232
PTM sites
28
CDS
70,586,164 - 70,683,896
Transcription
70,586,088 - 70,685,855
69.39% of sequence is predicted to be disordered

External references

Mappings retrieved from NCBI & Uniprot.
RefSeq
Entrez
gene: 6872
Uniprot
Ensembl