Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S1801) 抗体 [EP1510Y] (ab76292)

製品の概要

  • 製品名Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S1801) antibody [EP1510Y]
    RNA polymerase II CTD repeat YSPTSPS 一次抗体 製品一覧
  • 製品の詳細
    Rabbit monoclonal [EP1510Y] to RNA polymerase II CTD repeat YSPTSPS (phospho S1801)
  • 特異性Detects RNA Polymeraste II phosphorylated at serine 1801.
  • アプリケーション適用あり: WB, IP, IHC-P, ICC/IFmore details
    適用なし: Flow Cyt
  • 種交差性
    交差種: Mouse, Rat, Human
  • 免疫原

    within Human RNA polymerase II CTD repeat YSPTSPS (phospho S1801). The exact sequence is proprietary.
    Database link: P24928

  • ポジティブ・コントロール
    • WB: Human brain nuclear lysate IHC-P: Human breast carcinoma tissue ICC/IF: HeLa cells
  • 特記事項

    Produced using Abcam's RabMAb® technology. RabMAb® technology is covered by the following U.S. Patents, No. 5, 675, 063 and/or 7, 429, 487.

    This product is a recombinant rabbit monoclonal antibody.

製品の特性

アプリケーション

Our Abpromise guarantee covers the use of ab76292 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

アプリケーション Abreviews 特記事項
WB 1/1000 - 1/10000. Predicted molecular weight: 217 kDa.
IP 1/40.
IHC-P 1/100 - 1/250. Perform heat mediated antigen retrieval before commencing with IHC staining protocol. Use of HRP conjugated or polymerized HRP secondary antibodies is recommended. Stronger signals have been found using the polymerized HRP secondary.
ICC/IF 1/250 - 1/500.
  • 追加情報Is unsuitable for Flow Cyt.
  • ターゲット情報

    • 機能DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Largest and catalytic component of RNA polymerase II which synthesizes mRNA precursors and many functional non-coding RNAs. Forms the polymerase active center together with the second largest subunit. Pol II is the central component of the basal RNA polymerase II transcription machinery. It is composed of mobile elements that move relative to each other. RPB1 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 are thought to grab the incoming DNA template. At the start of transcription, a single-stranded DNA template strand of the promoter is positioned within the central active site cleft of Pol II. A bridging helix emanates from RPB1 and crosses the cleft near the catalytic site and is thought to promote translocation of Pol II by acting as a ratchet that moves the RNA-DNA hybrid through the active site by switching from straight to bent conformations at each step of nucleotide addition. During transcription elongation, Pol II moves on the template as the transcript elongates. Elongation is influenced by the phosphorylation status of the C-terminal domain (CTD) of Pol II largest subunit (RPB1), which serves as a platform for assembly of factors that regulate transcription initiation, elongation, termination and mRNA processing. Acts as an RNA-dependent RNA polymerase when associated with small delta antigen of Hepatitis delta virus, acting both as a replicate and transcriptase for the viral RNA circular genome.
    • 配列類似性Belongs to the RNA polymerase beta' chain family.
    • ドメインThe C-terminal domain (CTD) serves as a platform for assembly of factors that regulate transcription initiation, elongation, termination and mRNA processing.
    • 翻訳後修飾The tandem heptapeptide repeats in the C-terminal domain (CTD) can be highly phosphorylated. The phosphorylation activates Pol II. Phosphorylation occurs mainly at residues 'Ser-2' and 'Ser-5' of the heptapeptide repeat and is mediated, at least, by CDK7 and CDK9. CDK7 phosphorylation of POLR2A associated with DNA promotes transcription initiation by triggering dissociation from DNA. Phosphorylation also takes place at 'Ser-7' of the heptapeptide repeat, which is required for efficient transcription of snRNA genes and processing of the transcripts. The phosphorylation state is believed to result from the balanced action of site-specific CTD kinases and phosphatases, and a 'CTD code' that specifies the position of Pol II within the transcription cycle has been proposed. Dephosphorylated by the protein phosphatase CTDSP1.
      Among tandem heptapeptide repeats of the C-terminal domain (CTD) some do not match the Y-S-P-T-S-P-S consensus, the seventh serine residue 'Ser-7' being replaced by a lysine. 'Lys-7' in these non-consensus heptapeptide repeats can be alternatively acetylated, methylated and dimethylated. EP300 is one of the enzyme able to acetylate 'Lys-7'. Acetylation at 'Lys-7' of non-consensus heptapeptide repeats is associated with 'Ser-2' phosphorylation and active transcription. It may regulate initiation or early elongation steps of transcription specially for inducible genes.
      Methylated at Arg-1810 prior to transcription initiation when the CTD is hypophosphorylated, phosphorylation at Ser-1805 and Ser-1808 preventing this methylation. Symmetrically or asymmetrically dimethylated at Arg-1810 by PRMT5 and CARM1 respectively. Symmetric or asymmetric dimethylation modulates interactions with CTD-binding proteins like SMN1/SMN2 and TDRD3. SMN1/SMN2 interacts preferentially with the symmetrically dimethylated form while TDRD3 interacts with the asymmetric form. Through the recruitment of SMN1/SMN2, symmetric dimethylation is required for resolving RNA-DNA hybrids created by RNA polymerase II, that form R-loop in transcription terminal regions, an important step in proper transcription termination. CTD dimethylation may also facilitate the expression of select RNAs. Among tandem heptapeptide repeats of the C-terminal domain (CTD) some do not match the Y-S-P-T-S-P-S consensus, the seventh serine residue 'Ser-7' being replaced by a lysine. 'Lys-7' in these non-consensus heptapeptide repeats can be alternatively acetylated, methylated and dimethylated. Methylation occurs in the earliest transcription stages and precedes or is concomitant to 'Ser-5' and 'Ser-7' phosphorylation.
      Ubiquitinated by WWP2 leading to proteasomal degradation (By similarity). Following UV treatment, the elongating form of RNA polymerase II (RNA pol IIo) is ubiquitinated UV damage sites without leading to degradation: ubiquitination is facilitated by KIAA1530/UVSSA and promotes RNA pol IIo backtracking to allow access to the nucleotide excision repair machinery.
    • 細胞内局在Nucleus.
    • Information by UniProt
    • 参照データベース
    • 別名
      • DNA directed RNA polymerase II A antibody
      • DNA-directed RNA polymerase II largest subunit RNA polymerase II 220 kd subunit antibody
      • DNA-directed RNA polymerase II subunit A antibody
      • DNA-directed RNA polymerase II subunit RPB1 antibody
      • DNA-directed RNA polymerase III largest subunit antibody
      • hRPB220 antibody
      • hsRPB1 antibody
      • POLR2 antibody
      • Polr2a antibody
      • POLRA antibody
      • Polymerase (RNA) II (DNA directed) polypeptide A 220kDa antibody
      • Polymerase (RNA) II (DNA directed) polypeptide A antibody
      • RNA polymerase II subunit B1 antibody
      • RNA-directed RNA polymerase II subunit RPB1 antibody
      • RPB1 antibody
      • RPB1_HUMAN antibody
      • RPBh1 antibody
      • RpIILS antibody
      • RPO2 antibody
      • RPOL2 antibody
      see all

    Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S1801) antibody [EP1510Y] 画像

    • Immunocytochemistry/Immunofluorescence analysis of SH-SY5Y cells (untreated and treated with AP) labelling RNA polymerase II CTD repeat YSPTSPS (phospho S1801) with ab76292 at a dilution of 1/200. Cells were fixed with 4% paraformaldehyde and permeabilized with 0.1% Triton X-100. ab150077, an Alexa Fluor® 488-conjugated goat anti-rabbit IgG (1/1000) was used as the secondary antibody. DAPI (blue) was used as the nuclear counterstain. ab7291, a mouse anti-tubulin (1/1000) and ab150120, an Alexa Fluor® 594-conjugated goat anti-mouse IgG (1/1000) were also used.

      Control 1: primary antibody (1/200) and secondary antibody, ab150120, an Alexa Fluor® 594-conjugated goat anti-mouse IgG (1/1000).

      Control 2: ab7291 (1/1000) and secondary antibody, ab150077, an Alexa Fluor® 488-conjugated goat anti-rabbit IgG (1/1000).

      Decreased nuclear staining can be seen on SH-SY5Y cells after AP treatment.

    • All lanes : Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S1801) antibody [EP1510Y] (ab76292) at 1/200000 dilution

      Lane 1 : Human brain lysates, untreated
      Lane 2 : Human brain lysates treated with AP

      Lysates/proteins at 10 µg per lane.

      Secondary
      HRP labelled goat anti-rabbit at 1/1000 dilution

      Predicted band size : 217 kDa
      Observed band size : 270 kDa (why is the actual band size different from the predicted?)
    • ab76292, at a 1/100 dilution, staining RNA Polymerase II (phospho S1801) in formalin fixed, paraffin embedded human breast carcinoma tissue by Immunohistochemistry.
    • ab76292, at a 1/250 dilution, staining RNA Polymerase II (phospho S1801) in HeLa cells by Immunofluorescence.
    • Dot blot analysis of RNA polymerase II (pS1801) peptide (Lane 1) and RNA polymerase II non-phospho peptide (Lane 2) labelling RNA polymerase (phospho S1801) with ab76292 at a dilution of 1/1000. A Peroxidase-conjugated goat anti-rabbit IgG (H+L) was used as the secondary antibody at a dilution of 1/2500.

      Blocking and dilution buffer: 5% NFDM/TBST.

      Exposure time: 10 seconds.

    Anti-RNA polymerase II CTD repeat YSPTSPS (phospho S1801) antibody [EP1510Y] (ab76292) 使用論文

    ab76292 has not yet been referenced specifically in any publications.

    Product Wall

    There are currently no Abreviews or Questions for ab76292.
    Please use the links above to contact us or submit feedback about this product.

    Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"