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T9702

Sigma-Aldrich

Anti-p8/TTD-A (C-terminal) antibody produced in rabbit

enhanced validation

~1 mg/mL, affinity isolated antibody, buffered aqueous solution

Synonym(s):

Anti-C6orf175 TFB5, Anti-Chromosome 6 open reading frame 175, Anti-GTF2H5, Anti-General transcription factor IIH, polypeptide 5, Anti-TFIIH basal transcription factor complex, TTDA subunit, Anti-TGF2H5, Anti-TTDA transcription factor IIH, 8-kd subunit

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About This Item

UNSPSC Code:
12352203
NACRES:
NA.41

biological source

rabbit

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

antigen ~35 kDa (tagged fused protein)

species reactivity

mouse, rat, human

enhanced validation

recombinant expression
Learn more about Antibody Enhanced Validation

concentration

~1 mg/mL

technique(s)

indirect immunofluorescence: 5-10 μg/mL using paraformaldehyde-fixed HEK-293T cells over-expressing human p8/TTD-A
western blot: 1-2 μg/mL using HEK-293T over-expressing human p8/TTD-A

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

General description

8-kDa trichothiodystrophy group A (p8/TTD-A) protein is the tenth subunit of general transcription factor IIH (TGFIIH). This protein exists as attached to transcription factor IIH (TFIIH) and as a free fraction that alternates between the cytoplasm and nucleus. p8/TTD-A gene is mapped on the human chromosome at 6q25.3.

Specificity

Anti-p8/TTD-A (C-terminal) specifically recognizes human, rat, and mouse p8/TTD-A.

Application

Anti-p8/TTD-A (C-terminal) antibody produced in rabbit may be used in immunoblotting and immunofluorescence.

Biochem/physiol Actions

8-kDa trichothiodystrophy group A (p8/TTD-A) protein defects leads to a sun-sensitive form of trichothiodystrophy (TTD), a rare autosomal recessive disorder. It is essential for the stability of the transcription factor IIH (TFIIH) complex. The cells from patients with p8/TTD-A have reduced levels of TFIIH while overexpressing p8/TTD-A restored the cellular level TFIIH complex.

Target description

p8/TTD-A (C-terminal) encodes a subunit of transcription/repair factor TFIIH, which functions in gene transcription and DNA repair. This protein stimulates ERCC3/XPB ATPase activity to trigger DNA opening during DNA repair, and is implicated in regulating

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

Storage and Stability

For continuous use, store at 2–8 °C for up to one month. For extended storage, freeze in working aliquots. Repeated freezing and thawing, or storage in “frost-free” freezers, is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilutions should be discarded if not used within 12 hours.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Storage Class Code

10 - Combustible liquids

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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p8/TTD-A as a repair-specific TFIIH subunit
Coin F, et al.
Molecular Cell, 21(2), 215-226 (2006)
Dynamic interaction of TTDA with TFIIH is stabilized by nucleotide excision repair in living cells
Giglia-Mari G, et al.
PLoS Biology, 4(6), e156-e156 (2006)
Correlation between 6q25. 3 deletion status and survival in pediatric intracranial ependymomas
Monoranu C M, et al.
Cancer Genetics and Cytogenetics, 182(1), 18-26 (2008)
Sublimiting concentration of TFIIH transcription/DNA repair factor causes TTD-A trichothiodystrophy disorder
Vermeulen W, et al.
Nature Genetics, 26(3), 307-313 (2000)

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