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TBP Mouse anti-Human, Mouse, Rat, Clone: 1TBP18, Invitrogen™

Mouse Monoclonal Antibody

Manufacturer:  Invitrogen MA110883

Catalog No. 01-671-888

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MA1-10883 detects TATA-Binding Protein from human, mouse, and rat samples. It does not react with TBP from Drosophila, yeast, silkworms or xenopus. MA1-10883 has been successfully used in Western blot and immunoprecipitation applications. The MA1-10883 immunogen is N-terminal domain of the human TATA-binding protein (TBP).

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.


1.7 mg/mL
PBS with no preservative; pH 7.4
P20226, P29037
200 μg
-20° C, Avoid Freeze/Thaw Cycles
117526, 21374, 6908
Immunoprecipitation, Western Blot
N-terminal domain of the human TATA-binding protein (TBP).
Protein G
Human, Mouse, Rat
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