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05-952-I

Sigma-Aldrich

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

clone 8WG16, from mouse

Synonyme(s) :

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

Code UNSPSC :
12352203
eCl@ss :
32160702
Nomenclature NACRES :
NA.41

Source biologique

mouse

Forme d'anticorps

purified immunoglobulin

Type de produit anticorps

primary antibodies

Clone

8WG16, monoclonal

Espèces réactives

yeast, human

Conditionnement

antibody small pack of 25 μg

Technique(s)

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

Isotype

IgG2aκ

Numéro d'accès NCBI

Numéro d'accès UniProt

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... POLR2A(5430)

Description générale

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.

Spécificité

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

Immunogène

RNA Polymerase II from wheat germ extract

Application

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).

Qualité

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.

Description de la cible

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

Forme physique

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

Stockage et stabilité

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.

Autres remarques

Concentration: Please refer to lot specific datasheet.

Clause de non-responsabilité

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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Consulter la Bibliothèque de documents

Zuzer Dhoondia et al.
Nucleic acids research, 49(10), 5520-5536 (2021-05-13)
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
Shu-Hao Liou et al.
Communications biology, 4(1), 397-397 (2021-03-27)
The tumor suppressor p53 protein activates expression of a vast gene network in response to stress stimuli for cellular integrity. The molecular mechanism underlying how p53 targets RNA polymerase II (Pol II) to regulate transcription remains unclear. To elucidate the
Adrien Birot et al.
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
Matthew P Swaffer et al.
Cell, 186(24), 5254-5268 (2023-11-10)
A fundamental feature of cellular growth is that total protein and RNA amounts increase with cell size to keep concentrations approximately constant. A key component of this is that global transcription rates increase in larger cells. Here, we identify RNA
Stephanie B Wall et al.
Antioxidants (Basel, Switzerland), 10(5) (2021-05-01)
Alveolar macrophages (AMs) are resident inflammatory cells in the lung that serve as early sentinels of infection or injury. We have identified thioredoxin reductase 1 inhibition by gold compounds increases activation of nuclear factor erythroid 2-related factor 2 (NRF2)-dependent pathways

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