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04-1572-I

Sigma-Aldrich

Anti-RNA polymerase II subunit B1 (phospho-CTD Ser-5) Antibody, clone 3E8

culture supernatant, clone 3E8, from rat

Synonim(y):

DNA-directed RNA polymerase II subunit RPB1, RNA polymerase II subunit B1, DNA-directed RNA polymerase II subunit A, DNA-directed RNA polymerase III largest subunit, RNA-directed RNA polymerase II subunit RPB1

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About This Item

Kod UNSPSC:
12352203
eCl@ss:
32160702
NACRES:
NA.41

pochodzenie biologiczne

rat

Poziom jakości

forma przeciwciała

culture supernatant

rodzaj przeciwciała

primary antibodies

klon

3E8, monoclonal

reaktywność gatunkowa

mouse

reaktywność gatunkowa (przewidywana na podstawie homologii)

human (immunogen homology)

metody

ChIP: suitable
ELISA: suitable
western blot: suitable

izotyp

IgG2aκ

numer dostępu NCBI

numer dostępu UniProt

Warunki transportu

dry ice

docelowa modyfikacja potranslacyjna

phosphorylation (pSer5)

informacje o genach

human ... POLR2B(5431)

Opis ogólny

RPB1 (RNA polymerase II subunit B1) is the catalytic component of RNA polymerase II which synthesizes mRNA and non-coding RNAs. During transcription, elongation is influenced by the phosphorylation status of the C-terminal domain (CTD) of RPB1, which acts as an assembly platform for factors regulating transcription initiation, elongation, termination and mRNA processing. Phosphorylation occurs mainly at residues ′Ser-2′ and ′Ser-5′ of the tandem 7 residue repeats in the C-terminal domain (CTD), which activates Pol II. This phosphorylation also can occur at ′Ser-7′ of the heptapepdtide repeat. This antibody recognizes the ′Ser-5′ CTD residue of RPB1.

Specyficzność

This antibody recognizes RNA Polymerase II subunit B1 phosphorylated at Ser5 of the C-terminus domain (CTD).

Immunogen

Epitope: Phosphorylated Ser5 at the C-terminus domain (CTD).
Ovalbumin-conjugated linear peptide corresponding to human RNA Polymerase II subunit B1 phosphorylated at Ser5 of the C-terminal domain (CTD).

Zastosowanie

Anti-RNA polymerase II subunit B1 (phospho-CTD Ser-5) Antibody, clone 3E8 is a highly specific rat monoclonal antibody, that targets RNA Polymerase & has been tested in western blotting & ELISA.
Chromatin Immunoprecipitation Analysis: A representative lot was used by an independent laboratory to immunoprecipitate RNA polymerase II subunit B1 (phospho-CTD Ser-5) in ChIP (Chapman, R., et al. (2007). Science. 318(5857):1780 -1782.).

ELISA Analysis: A representative lot was used by an independent laboratory to detect RNA polymerase II subunit B1 (phospho-CTD Ser-5) in ChIP (Chapman, R., et al. (2007). Science. 318(5857):1780 -1782.).
Research Category
Epigenetics & Nuclear Function
Research Sub Category
Transcription Factors

Jakość

Evaluated by Western Blot in untreated and lambda phosphotase treated NIH/3T3 cell lysates.

Western Blot Analysis: A 1:2,000 dilution from a representative lot detected RNA polymerase II subunit B1 (phospho-CTD Ser-5) in 10 µg of untreated and lambda phosphotase treated NIH/3T3 cell lysates.

Opis wartości docelowych

~220 kDa observed

Powiązanie

Replaces: 04-1572

Postać fizyczna

Rat monoclonal IgG2aκ with 0.05% sodium azide.
Unpurified

Przechowywanie i stabilność

Stable for 1 year at -20°C from date of receipt.
Handling Recommendations: Upon receipt and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.

Komentarz do analizy

Control
Untreated and lambda phosphotase treated NIH/3T3 cell lysates

Oświadczenie o zrzeczeniu się odpowiedzialności

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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Kod klasy składowania

10 - Combustible liquids

Klasa zagrożenia wodnego (WGK)

WGK 1


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Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.

Odwiedź Bibliotekę dokumentów

In vivo live imaging of RNA polymerase II transcription factories in primary cells.
Ghamari, Alireza, et al.
Genes & Development, 27, 767-777 (2013)
Dan Yu et al.
Nucleic acids research, 47(9), 4462-4475 (2019-03-14)
The general transcription factor P-TEFb, a master regulator of RNA polymerase (Pol) II elongation, phosphorylates the C-terminal domain (CTD) of Pol II and negative elongation factors to release Pol II from promoter-proximal pausing. We show here that P-TEFb surprisingly inhibits
Xiaohong Zhao et al.
Cell reports, 34(11), 108870-108870 (2021-03-18)
Ibrutinib, a bruton's tyrosine kinase (BTK) inhibitor, provokes robust clinical responses in aggressive mantle cell lymphoma (MCL), yet many patients relapse with lethal Ibrutinib-resistant (IR) disease. Here, using genomic, chemical proteomic, and drug screen profiling, we report that enhancer remodeling-mediated
Jing Gao et al.
Haematologica (2021-06-25)
Despite significant progress in the treatment of patients with diffuse large B-cell lymphoma (DLBCL) and mantle cell lymphoma (MCL), prognosis of patients with relapsed disease remains poor due to the emergence of drug resistance and subsequent disease progression. Identification of
Baishan Jiang et al.
Nature chemical biology, 17(6), 675-683 (2021-03-24)
Cyclin-dependent kinase 12 (CDK12) is an emerging therapeutic target due to its role in regulating transcription of DNA-damage response (DDR) genes. However, development of selective small molecules targeting CDK12 has been challenging due to the high degree of homology between

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