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Immunofluorescent analysis of HeLa cells using a TBP polyclonal antibody (Product # PA5-13636) at a dilution of 1:10-50, followed by a fluor-conjugated goat anti-rabbit secondary antibody (green). Actin filaments were stained with dye-conjugated phalloidin (red). Nuclei were stained with DAPI (blue).
|Tested species reactivity||Human|
|Host / Isotype||Rabbit / IgG|
|Immunogen||KLH conjugated synthetic peptide between 301-330 amino acids from the C-terminal region of human TBP|
|Purification||Size-exclusion - Dialysis, Ammonium sulfate precipitation|
|Contains||0.09% sodium azide|
|Storage Conditions||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C|
|Tested Applications||Dilution *|
|Western Blot (WB)||1:1000|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
This antibody is predicted to react with bovine, chicken, mouse, non-human primate and Xenopus based on sequence homology.
Initiation of transcription by RNA polymerase II requires the activities of more than 70 polypeptides. The protein that coordinates these activities is transcription factor IID (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. A distinctive feature of TBP is a long string of glutamines in the N-terminal. This region of the protein modulates the DNA binding activity of the C terminus, and modulation of DNA binding affects the rate of transcription complex formation and initiation of transcription. Mutations that expand the number of CAG repeats encoding this polyglutamine tract, and thus increase the length of the polyglutamine string, are associated with spinocerebellar ataxia 17, a neurodegenerative disorder classified as a polyglutamine disease.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
GTF2D1; TATA box binding protein; TATA sequence-binding protein; TATA-box binding protein N-terminal domain; TATA-box factor; TBP; TF2D; TFIID; transcription initiation factor TFIID TBP subunit
GTF2D; GTF2D1; HDL4; SCA17; TBP; TF2D; TFIID