TAF1 (BD1), Recombinant, Human, aa1400-1518, His-Tag (TBP-Associated Factor)

Catalog No : USB-298467
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Product name TAF1 (BD1), Recombinant, Human, aa1400-1518, His-Tag (TBP-Associated Factor)
Catalog No USB-298467
Supplier’s Catalog No 298467
Supplier US Biologicals
Source antigen Recombinant, E. coli
Reactivity
Cross reactivity
Applications
Molecular weight 14.9
Storage -70°C
Other names
Grade Highly Purified
Purity Highly Purified (~95%)
Form Supplied as a liquid in 40mM Tris-HCl, pH 8.0, 110mM sodium chloride, 2.2mM potassium chloride, 20% glycerol.
Reactivity life 12 months
Note For reserch purpose only
Purity Highly Purified (~95%)
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]. Source: Recombinant protein corresponding to bromodomain 1, aa1400-1518, from human TAF1, fused to His-tag at N-terminal, expressed in E. coli. Molecular Weight: ~14.9kD AA Sequence: MHHHHHHTDPMVTLSSILESIINDMRDLPNTYPFHTPVNAKVVKDYYKIITRPMDLQTLR ENVRKRLYPSREEFREHLELIVKNSATYNGPKHSLTQISQSMLDLCDEKLKEKEDKLA RLEKAINP Applications: Suitable for use in the study of bromodomain binding assays, screening inhibitors, and selectivity profiling. Other applications not tested. Recommended Dilution: Optimal dilutions to be determined by the researcher. Storage and Stability: Aliquot to avoid repeated freezing and thawing and store at -70°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.