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  4. Recombinant Mouse DNA-directed RNA polymerase II subunit RPB1 (Polr2a), partial

Recombinant Mouse DNA-directed RNA polymerase II subunit RPB1 (Polr2a), partial

  • 中文名稱：
    小鼠Polr2a重組蛋白
  • 貨號：
    CSB-YP018327MO
  • 規格：
  • 來源：
    Yeast
  • 其他：
  • 中文名稱：
    小鼠Polr2a重組蛋白
  • 貨號：
    CSB-EP018327MO
  • 規格：
  • 來源：
    E.coli
  • 其他：
  • 中文名稱：
    小鼠Polr2a重組蛋白
  • 貨號：
    CSB-EP018327MO-B
  • 規格：
  • 來源：
    E.coli
  • 共軛：
    Avi-tag Biotinylated

    E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.

  • 其他：
  • 中文名稱：
    小鼠Polr2a重組蛋白
  • 貨號：
    CSB-BP018327MO
  • 規格：
  • 來源：
    Baculovirus
  • 其他：
  • 中文名稱：
    小鼠Polr2a重組蛋白
  • 貨號：
    CSB-MP018327MO
  • 規格：
  • 來源：
    Mammalian cell
  • 其他：

產品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
  • Uniprot No.：
  • 別名：
    Polr2a; Rpii215; Rpo2-1; DNA-directed RNA polymerase II subunit RPB1; RNA polymerase II subunit B1; EC 2.7.7.6; DNA-directed RNA polymerase II subunit A; DNA-directed RNA polymerase III largest subunit
  • 種屬：
    Mus musculus (Mouse)
  • 蛋白長度：
    Partial
  • 蛋白標簽：
    Tag?type?will?be?determined?during?the?manufacturing?process.
    The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
  • 產品提供形式：
    Lyophilized powder
    Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
  • 復溶：
    We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
  • 儲存條件：
    Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
  • 保質期：
    The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
    Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
  • 貨期：
    Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
    Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
  • 注意事項：
    Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
  • Datasheet ：
    Please contact us to get it.

產品評價

靶點詳情

  • 功能：
    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. Regulation of gene expression levels depends on the balance between methylation and acetylation levels of tha CTD-lysines. Initiation or early elongation steps of transcription of growth-factors-induced immediate early genes are regulated by the acetylation status of the CTD. Methylation and dimethylation have a repressive effect on target genes expression.
  • 基因功能參考文獻：
    1. significantly higher binding of POLR2A to the Tmem132d promoter region of high anxiety behavior mice than in low anxiety behavior mice PMID: 29317594
    2. Skill learning modulates RNA Pol II poising at immediate early genes in the adult striatum. These experiments demonstrate a novel phenomenon of learning induced transcriptional modulation in adult brain. PMID: 28451632
    3. An H3K9/S10 methyl-phospho switch modulates Polycomb and Pol II binding at repressed genes during differentiation. PMID: 24430871
    4. Cdc14b regulates mammalian RNA polymerase II and represses cell cycle transcription PMID: 22355704
    5. These data indicate that, through cooperation with PolII and KDM6A, Spt6 orchestrates removal of H3K27me3, thus controlling developmental gene expression and cell differentiation. PMID: 23503590
    6. Data show that that B2 RNA, when present with Pol II in promoter-bound complexes, specifically represses CTD phosphorylation by TFIIH. PMID: 21326911
    7. investigation of contribution of largest subunit of phosphorylated RNAP II to onset of minor gene activation in zygote; nuclear localization of RNAP II in 1-cell zygote; regulation of RNAP II expression by deposition of acetylated histone on promoter PMID: 20710121
    8. involvement of RPB1, the largest subunit of RNA polymerase II (RNAP II), in the regulation of transcriptional silencing mechanism PMID: 20562521
    9. These results indicate that Wwp2 plays an important role in regulating expression of Rpb1 in normal physiological conditions.[Rpb1] PMID: 17526739
    10. Results suggest that RNA polymerase II is selectively required for positive transcriptional regulation of a subset of genes in embryonic stem cells. PMID: 17892859
    11. The authors that both the ubiquitylation and proteasomal degradation of the largest subunit of pol II (Rpb1) following UV-irradiation are significantly suppressed in Elongin A-deficient cells. PMID: 19037258

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  • 亞細胞定位：
    Nucleus. Cytoplasm. Chromosome.
  • 蛋白家族：
    RNA polymerase beta' chain family
  • 數據庫鏈接：


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