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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

Sinonimo/i:

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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CHF 633.00

CHF 633.00


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100 μL
CHF 633.00

About This Item

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

CHF 633.00


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Origine biologica

rat

Livello qualitativo

Forma dell’anticorpo

culture supernatant

Tipo di anticorpo

primary antibodies

Clone

3E8, monoclonal

Reattività contro le specie

mouse

Reattività contro le specie (prevista in base all’omologia)

human (immunogen homology)

tecniche

ChIP: suitable
ELISA: suitable
western blot: suitable

Isotipo

IgG2aκ

N° accesso NCBI

N° accesso UniProt

Condizioni di spedizione

dry ice

modifica post-traduzionali bersaglio

phosphorylation (pSer5)

Informazioni sul gene

human ... POLR2B(5431)

Descrizione generale

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.

Specificità

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

Immunogeno

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).

Applicazioni

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

Qualità

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.

Descrizione del bersaglio

~220 kDa observed

Linkage

Replaces: 04-1572

Stato fisico

Rat monoclonal IgG2aκ with 0.05% sodium azide.
Unpurified

Stoccaggio e stabilità

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.

Risultati analitici

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

Esclusione di responsabilità

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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Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1


Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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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
Joshua D Eaton et al.
eLife, 13 (2024-07-08)
RNA polymerase II (RNAPII) transcription initiates bidirectionally at many human protein-coding genes. Sense transcription usually dominates and leads to messenger RNA production, whereas antisense transcription rapidly terminates. The basis for this directionality is not fully understood. Here, we show that
Matthieu D Lavigne et al.
Nature communications, 8(1), 2076-2076 (2017-12-14)
Complex molecular responses preserve gene expression accuracy and genome integrity in the face of environmental perturbations. Here we report that, in response to UV irradiation, RNA polymerase II (RNAPII) molecules are dynamically and synchronously released from promoter-proximal regions into elongation
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

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