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  4. Recombinant Influenza A virus Polymerase basic protein 2 (PB2), partial

Recombinant Influenza A virus Polymerase basic protein 2 (PB2), partial

  • 中文名稱：
    Recombinant Influenza A virus Polymerase basic protein 2(PB2) ,partial
  • 貨號：
    CSB-YP361051IFZ
  • 規格：
  • 來源：
    Yeast
  • 其他：
  • 中文名稱：
    Recombinant Influenza A virus Polymerase basic protein 2(PB2) ,partial
  • 貨號：
    CSB-EP361051IFZ
  • 規格：
  • 來源：
    E.coli
  • 其他：
  • 中文名稱：
    Recombinant Influenza A virus Polymerase basic protein 2(PB2) ,partial
  • 貨號：
    CSB-EP361051IFZ-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：
    Recombinant Influenza A virus Polymerase basic protein 2(PB2) ,partial
  • 貨號：
    CSB-BP361051IFZ
  • 規格：
  • 來源：
    Baculovirus
  • 其他：
  • 中文名稱：
    Recombinant Influenza A virus Polymerase basic protein 2(PB2) ,partial
  • 貨號：
    CSB-MP361051IFZ
  • 規格：
  • 來源：
    Mammalian cell
  • 其他：

產品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
    PB2
  • Uniprot No.：
  • 別名：
    PB2Polymerase basic protein 2; RNA-directed RNA polymerase subunit P3
  • 種屬：
    Influenza A virus (strain A/Puerto Rico/8/1934 H1N1)
  • 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：
    Plays an essential role in transcription initiation and cap-stealing mechanism, in which cellular capped pre-mRNAs are used to generate primers for viral transcription. Recognizes and binds the 7-methylguanosine-containing cap of the target pre-RNA which is subsequently cleaved after 10-13 nucleotides by the viral protein PA. Plays a role in the initiation of the viral genome replication and modulates the activity of the ribonucleoprotein (RNP) complex. In addition, participates in the inhibition of type I interferon induction through interaction with and inhibition of the host mitochondrial antiviral signaling protein MAVS.
  • 基因功能參考文獻：
    1. Viral polymerase activity, viral replication, and pathogenicity in mice were enhanced due to the substitution of D701N in the PB2 protein. PMID: 29717109
    2. Activated PKCdelta interacts with the polymerase subunit PB2 and phospho-regulates NP oligomerization and RNP assembly during influenza A virus infection. PMID: 28758638
    3. The role of the 627 domain in H1N1 PB2 polymerase function. PMID: 28122973
    4. PB2 V661A and V683T/A684S are involved in enhanced polymerase activity at low temperature. PMID: 26018156
    5. By recruiting importin alpha3 or alpha7 in the absence of importin beta, PB2 reduces the complexity of adaptor-mediated import to a pseudo-bimolecular reaction, thereby acquiring a kinetic advantage over classical nuclear localization signal cargos. PMID: 25599645
    6. From these results, we suggest that influenza virus polymerase activity may be regulated through the interaction between PB2 627-domain and RNA and that consequently host adaptation of the virus may be influenced. PMID: 24875650
    7. Mutations in PB2 gene is associated with virulence. PMID: 24699508
    8. PB2-588I enhances 2009 H1N1 pandemic influenza virus virulence by increasing viral replication and exacerbating PB2 inhibition of beta interferon expression. PMID: 24335306
    9. The substitution of glutamic acid (E) for lysine (K) at position 627 of the PB2 protein of avian H5N1 viruses has been identified as a virulence and host range determinant for infection of mammals. PMID: 23864613
    10. Computational studies on the substrate interactions of influenza A virus PB2 subunit PMID: 22957044
    11. our findings indicate that the PB2 C-terminal domain has multiple effects on RdRp activities besides importin binding. PMID: 22146492
    12. 271A, 590S, and 591R of PB2 is critical for viral replication and virulence. PMID: 22072752
    13. Amino acid residue 271, 588, 701 and 636 of PB2 contributors to host-specific activity. PMID: 21471313
    14. These findings demonstrate that the viral polymerase plays an important role for regulating host anti-viral response through the binding to IPS-1 and inhibition of IFNbeta production PMID: 20699220
    15. a basic amino acid at position 591 of PB2 can compensate for the lack of lysine at position 627 and confers efficient viral replication to pandemic H1N1 viruses in mammals PMID: 20700447
    16. Influenza virus A PB2 protein interacts with MAVS and inhibits MAVS-mediated beta interferon expression. PMID: 20538852
    17. 2009 H1N1 virus has acquired second-site suppressor mutations in its PB2 polymerase subunit that convey enhanced polymerase activity in human cells PMID: 19995968
    18. The C-terminal domain protein (amino-acid residues 535-759) of the PB2 subunit of the RNA-dependent RNA polymerase from the influenza A virus has been expressed as a soluble protein and crystallized. PMID: 19194006
    19. Adaptive mutations in PB2 cause enhanced polymerase activity and promote high virulence. PMID: 19403683

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  • 亞細胞定位：
    Virion. Host nucleus. Host mitochondrion.
  • 蛋白家族：
    Influenza viruses PB2 family
  • 數據庫鏈接：

    KEGG: vg:956536



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