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Key Documents

SRP2003

Sigma-Aldrich

TBP (TATA box binding protein) human

recombinant, expressed in E. coli, ≥85% (SDS-PAGE)

Synonyme(s) :

GTF2D, GTF2D1, HDL4, MGC117320, TFIID

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About This Item

Code UNSPSC :
12352200

Source biologique

human

Produit recombinant

expressed in E. coli

Pureté

≥85% (SDS-PAGE)

Forme

frozen liquid

Poids mol.

~39 kDa

Conditionnement

pkg of 10 μg

Conditions de stockage

avoid repeated freeze/thaw cycles

Concentration

200 μg/mL

Technique(s)

electrophoretic mobility shift assay: suitable

Couleur

clear colorless

Numéro d'accès NCBI

NM_003194

Numéro d'accès UniProt

P20226

Conditions d'expédition

dry ice

Température de stockage

−70°C

Informations sur le gène

human ... TBP(6908)

Description générale

TBP (TATA-box binding protein) was originally recognized as a part of the class II initiation factor TFIID. Its C-terminal region is phylogenetically conserved, and is composed of 180-amino acids, containing a highly basic segment, the basic repeat, flanked by two direct repeats. The N-terminal domain of this protein is not conserved across species, and differs in number of residues. TBP gene is localized to human chromosome 6.

Actions biochimiques/physiologiques

TBP (TATA-box binding protein) is essential for the optimal initiation of transcription of ribosomal, messenger, small nuclear, and transfer RNAs by all three eukaryotic RNA polymerases. TBP proteins binds to the TATA consensus sequence (TATAa/tAa/t) with high affinity, through its C-terminal or core region, and identifies minor groove segments and introduces significant DNA deformation. It is a component of the class II initiation factor TFIID, along with TBP-associated factors (TAFIIs), which is crucial for nucleating the assembly of Pol II pre-initiation complex (PIC). PIC is essential for the transcription initiation by RNA polymerase II (Pol II). Amplification of the CAG/CAA trinucleotide repeats in TBP gene results in an autosomal dominant cerebellar ataxia, SCA17 (spinocerebellar ataxia type 17), which is characterized by ataxia, dystonia, parkinsonism, and chorea.
The TATA-binding protein (TBP) is believed to function as an essential factor of the general transcription machinery and to be involved in transcription by all three eukaryotic RNA polymerases (pol I, II, and III). TBP specifically binds to TATA element at the promoter region and interacts with numerous transcription factors, including TBP-associated factors (TAFs), activators, and some tumor suppressor proteins.

Forme physique

Clear and colorless frozen liquid solution

Notes préparatoires

Use a manual defrost freezer and avoid repeated freeze-thaw cycles. While working, please keep sample on ice.

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Consulter la Bibliothèque de documents

A unified nomenclature for TATA box binding protein (TBP)-associated factors (TAFs) involved in RNA polymerase II transcription.
Tora L
Genes & Development, 16(6), 673-675 (2002)
The Pathogenic Role of Low Range Repeats in SCA17.
Shin JH, et al.
PLoS ONE, 10(8) (2015)
Crystal structure of a human TATA box-binding protein/TATA element complex.
Nikolov DB, et al.
Proceedings of the National Academy of Sciences of the USA, 93(10), 4862-4867 (1996)
Purification of his-tagged proteins in non-denaturing conditions suggests a convenient method for protein interaction studies.
A Hoffmann et al.
Nucleic acids research, 19(22), 6337-6338 (1991-11-25)
M Horikoshi et al.
Cell, 54(7), 1033-1042 (1988-09-23)
The mammalian activator protein ATF stimulates transcription from the adenovirus E4 promoter by binding to multiple upstream promoter and enhancer elements. DNAase footprint analyses have revealed that there are cooperative interactions between ATF and TFIID (the mammalian TATA factor) when
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