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Key Documents

05-952-I

Sigma-Aldrich

Anti-RNA Polymerase II Antibody, CTD Antibody, clone 8WG16

clone 8WG16, from mouse

Sinonimo/i:

DNA-directed RNA polymerase II subunit RPB1, EC: 2.7.7.6, 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

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

Origine biologica

mouse

Forma dell’anticorpo

purified immunoglobulin

Tipo di anticorpo

primary antibodies

Clone

8WG16, monoclonal

Reattività contro le specie

yeast, human

Confezionamento

antibody small pack of 25 μg

tecniche

dot blot: suitable
immunoprecipitation (IP): suitable
inhibition assay: suitable
western blot: suitable

Isotipo

IgG2aκ

N° accesso NCBI

N° accesso UniProt

modifica post-traduzionali bersaglio

unmodified

Informazioni sul gene

human ... POLR2A(5430)

Descrizione generale

DNA-directed RNA polymerase II subunit RPB1 (UniProt: P24928; also known as EC: 2.7.7.6, DNA-directed RNA polymerase II subunit A, DNA-directed RNA polymerase III largest subunit, is encoded by the POLR2A (also known as POLR2) gene (Gene ID: 5430) in human. DNA-dependent RNA polymerase II catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. RPB1 subunit is part of the core element with the central large cleft, the clamp element that moves to open and close the cleft and the jaws that suggested to grab the incoming DNA template. It has multiple zinc and magnesium ion binding sites and contains a repetitive C-terminal domain (CTD; aa 1593-1960) that consists of tandem repeats of the consensus sequence YSPTSPS and serves as a platform for assembly of factors that regulate transcription initiation, elongation, termination and mRNA processing. It can exist in both hypophosphorylated form, which is mainly cytosolic, and in hyperphosphorylated form. The phosphorylation of Serine 2 and 5 in the hepatapeptide repeat is achieved by Cdk7 and Cdk9. Cdk7 phosphorylation promotes transcription initiation by triggering promoter release and elongation.

Specificità

Clone 8WG16 specifically detects DNA-directed RNA polymerase II subunit RPB1.
almost all eukaryotic species, which has a concensus hepatapeptide repeat

Immunogeno

RNA Polymerase II from wheat germ extract

Applicazioni

Anti-RNA Polymerase II, CTD, clone 8WG16, Cat. No. 05-952-I, is a mouse monoclonal antibody that detects DNA-directed RNA polymerase II subunit RPB1 and has been tested for use in Dot Blot, Chromatin Immunoprecipitation, Immunoprecipitation, Inhibition assay, and Western Blotting.
Research Category
Epigenetics & Nuclear Function
Western Blotting Analysis: A representative lot detected RNA Polymerase II, CTD in Western Blotting applications (Patturajan, M., et. al. (1998). J Biol Chem. 273(8):4689-94; Zhang, J., et. al. (1991). J Biol Chem. 266(4):2290-6).

Dot Blot Analysis: A representative lot detected RNA Polymerase II, CTD in Dot Blot applications (Thompson, N.E., et. al. (1989). J Biol Chem. 264(19):11511-20).

Immunoprecipitation Analysis: A representative immunoprecipitated RNA Polymerase II, CTD in Immunoprecipitation applications (Bhaumik, S.R., et. al. (2001). Genes Dev. 15(15):1935-45).

Inhibition Analysis: A representative lot inhibited the interaction of RNA Polymerase II, CTD with the transcription complex. (Thompson, N.E., et. al. (1989). J Biol Chem. 264(19):11511-20).

Qualità

Evaluated by Western Blotting in HeLa nuclear extract cell lysates.

Western Blotting Analysis: 1 µg/mL of this antibody detected RNA Polymerase II, CTD in HeLa cell nuclear extract.

Descrizione del bersaglio

~220 kDa observed; 217.18 kDa calculated. Uncharacterized bands may be observed in some lysate(s).

Stato fisico

Format: Purified
Protein G purified
Purified mouse monoclonal antibody IgG2a in PBS without preservatives.

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.

Altre note

Concentration: Please refer to lot specific datasheet.

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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Rat1 is a 5'→3' exoribonuclease in budding yeast. It is a highly conserved protein with homologs being present in fission yeast, flies, worms, mice and humans. Rat1 and its human homolog Xrn2 have been implicated in multiple nuclear processes. Here
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Life science alliance, 5(2) (2021-12-02)
The nuclear RNA exosome plays a key role in controlling the levels of multiple protein-coding and non-coding RNAs. Recruitment of the exosome to specific RNA substrates is mediated by RNA-binding co-factors. The transient interaction between co-factors and the exosome as

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