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  4. Recombinant Escherichia coli Poly (A) polymerase

Recombinant Escherichia coli Poly (A) polymerase

  • 中文名稱：
    大腸桿菌pcnB重組蛋白
  • 貨號：
    CSB-YP359609ENV
  • 說明書：
  • 規格：
  • 來源：
    Yeast
  • 其他：
  • 中文名稱：
    大腸桿菌pcnB重組蛋白
  • 貨號：
    CSB-EP359609ENV
  • 說明書：
  • 規格：
  • 來源：
    E.coli
  • 其他：
  • 中文名稱：
    大腸桿菌pcnB重組蛋白
  • 貨號：
    CSB-EP359609ENV-B
  • 說明書：
  • 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：
    大腸桿菌pcnB重組蛋白
  • 貨號：
    CSB-BP359609ENV
  • 說明書：
  • 規格：
  • 來源：
    Baculovirus
  • 其他：
  • 中文名稱：
    大腸桿菌pcnB重組蛋白
  • 貨號：
    CSB-MP359609ENV
  • 說明書：
  • 規格：
  • 來源：
    Mammalian cell
  • 其他：

產品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
    pcnB
  • Uniprot No.：
  • 別名：
    pcnB; b0143; JW5808; Poly(A) polymerase I; PAP I; EC 2.7.7.19; Plasmid copy number protein
  • 種屬：
    Escherichia coli (strain K12)
  • 蛋白長度：
    full length protein
  • 表達區域：
    11-465
  • 氨基酸序列
    KVLSREESEA EQAVARPQVT VIPREQHAIS RKDISENALK VMYRLNKAGY EAWLVGGGVR DLLLGKKPKD FDVTTNATPE QVRKLFRNCR LVGRRFRLAH VMFGPEIIEV ATFRGHHEGN VSDRTTSQRG QNGMLLRDNI FGSIEEDAQR RDFTINSLYY SVADFTVRDY VGGMKDLKDG VIRLIGNPET RYREDPVRML RAVRFAAKLG MRISPETAEP IPRLATLLND IPPARLFEES LKLLQAGYGY ETYKLLCEYH LFQPLFPTIT RYFTENGDSP MERIIEQVLK NTDTRIHNDM RVNPAFLFAA MFWYPLLETA QKIAQESGLT YHDAFALAMN DVLDEACRSL AIPKRLTTLT RDIWQLQLRM SRRQGKRAWK LLEHPKFRAA YDLLALRAEV ERNAELQRLV KWWGEFQVSA PPDQKGMLNE LDEEPSPRRR TRRPRKRAPR REGTA
  • 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 Warning: in_array() expects parameter 2 to be array, null given in /www/web/cusabio_cn/public_html/caches/caches_template/default/content/show_product_protein.php on line 662
    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：
    Adds poly(A) tail to the 3' end of many RNAs, which usually targets these RNAs for decay. Plays a significant role in the global control of gene expression, through influencing the rate of transcript degradation, and in the general RNA quality control. Rho-independent transcription terminators may serve as polyadenylation signals. Seems to be involved in plasmid copy number control.
  • 基因功能參考文獻：
    1. Poly(A)polymerase I participates in the ability of the bacteria to adapt to and survive detrimental conditions by constantly monitoring and adjusting to its environment. PMID: 23123524
    2. THe data demonstrates that regulation of PAP I is critical not for preventing the decay of mRNAs, but rather for maintaining normal levels of functional tRNAs and protein synthesis in E. coli, a function for polyadenylation that has not been observed previously in any organism. PMID: 23241393
    3. Characterization of RNA fragments that accumulate in a PNPase deficient strain showed that Glu tRNA precursors still harbouring the 5' leader can be degraded by a 3' to 5' quality control pathway involving poly(A) polymerase. PMID: 22142150
    4. Data show that the inactivation of Hfq leads to a reduction in the ability of poly(A) polymerase I to add poly(A) tails to mRNAs containing Rho-independent transcription terminators. PMID: 15522076
    5. There are three transcription start sites upstream of the pcnB coding sequence; activities of at least two of these promoters are in inverse correlation to bacterial growth rates. PMID: 16330100
    6. linker between transcription and mRNA degradation via sigmaS proteolysis with the ultimate goal of adapting and surviving to growth-limiting conditions. PMID: 16556229
    7. Null mutations in pcnB, encoding poly(A) polymerase I (PAP I), and in hfq, encoding the RNA chaperone Hfq, suppress toxicity caused by overproduction of SprE. PMID: 19767441

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  • 亞細胞定位：
    Cytoplasm. Cell inner membrane.
  • 蛋白家族：
    TRNA nucleotidyltransferase/poly(A) polymerase family
  • 數據庫鏈接：


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