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04-1571-I

Sigma-Aldrich

Anti-RNA polymerase II subunit B1 (phospho CTD Ser-2), clone 3E10 (rat monoclonal).

culture supernatant, clone 3E10, 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

3E10, monoclonal

reaktywność gatunkowa

mouse

reaktywność gatunkowa (przewidywana na podstawie homologii)

human (immunogen homology)

metody

ChIP: suitable
ELISA: suitable
western blot: suitable

izotyp

IgG1κ

numer dostępu NCBI

numer dostępu UniProt

Warunki transportu

wet ice

docelowa modyfikacja potranslacyjna

phosphorylation (pSer2)

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-2′ CTD residue of RPB1.

Specyficzność

Demonstrated to react with human RBP1 in Ni et al., 2011. Transcription 2:5, 237-242
This antibody recognizes RNA Polymerase II subunit B1 phosphorylated at Ser2 of the C-terminal domain (CTD).

Immunogen

Epitope: Phosphorylated Ser2 at the C-terminal domain (CTD)
Ovalbumin-conjugated linear peptide corresponding to human RNA Polymerase II subunit B1 phosphorylated at Ser2 of the C-terminal domain (CTD).

Zastosowanie

Anti-RNA polymerase II subunit B1 (phospho CTD Ser-2), clone 3E1 (rat monoclonal) is a highly specific rat monoclonal antibody & that targets RNA Polymerase & has been tested in western blotting.
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.).
Demonstrated to react with human RBP1 in Ni et al., 2011. Transcription 2:5, 237-242
Research Category
Epigenetics & Nuclear Function
Research Sub Category
Transcription Factors

Jakość

Evaluated by Western Blotting in untreated and lambda phosphatase treated NIH/3T3 cell lysate.

Western Blotting Analysis: A 1:2,000 dilution of this antibody detected RNA Polymerase II subunit B1 (phospho CTD Ser-2) in untreated NIH/3T3 cell lysate.

Opis wartości docelowych

~220 kDa observed

Powiązanie

Replaces: 04-1571

Postać fizyczna

Unpurified
Unpurified rat monoclonal IgG1κ tissue culture supenatant with 0.05% sodium azide.

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 phosphatase treated NIH/3T3 cell lysate

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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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

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