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  4. Recombinant Escherichia coli Alternative ribosome-rescue factor A (arfA)

Recombinant Escherichia coli Alternative ribosome-rescue factor A (arfA)

  • 中文名稱：
    Recombinant Escherichia coli Alternative ribosome-rescue factor A(arfA)
  • 貨號：
    CSB-YP336202ENV
  • 規格：
  • 來源：
    Yeast
  • 其他：
  • 中文名稱：
    Recombinant Escherichia coli Alternative ribosome-rescue factor A(arfA)
  • 貨號：
    CSB-EP336202ENV
  • 規格：
  • 來源：
    E.coli
  • 其他：
  • 中文名稱：
    Recombinant Escherichia coli Alternative ribosome-rescue factor A(arfA)
  • 貨號：
    CSB-EP336202ENV-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 Escherichia coli Alternative ribosome-rescue factor A(arfA)
  • 貨號：
    CSB-BP336202ENV
  • 規格：
  • 來源：
    Baculovirus
  • 其他：
  • 中文名稱：
    Recombinant Escherichia coli Alternative ribosome-rescue factor A(arfA)
  • 貨號：
    CSB-MP336202ENV
  • 規格：
  • 來源：
    Mammalian cell
  • 其他：

產品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
    arfA
  • Uniprot No.：
  • 別名：
    arfA; yhdL; b4550; JW3253Alternative ribosome-rescue factor A
  • 種屬：
    Escherichia coli (strain K12)
  • 蛋白長度：
    full length protein
  • 表達區域：
    1-72
  • 氨基酸序列
    MSRYQHTKGQ IKDNAIEALL HDPLFRQRVE KNKKGKGSYM RKGKHGNRGN WEASGKKVNH FFTTGLLLSG AC
  • 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：
    Rescues ribosomes stalled at the 3' end of non-stop mRNAs. This activity is crucial when the stalled ribosome cannot be rescued by the SsrA(tmRNA)-SmpB quality control system. Binds the 30S subunit, contacting 16S rRNA with the N-terminus near the decoding center and its C-terminus in the mRNA entry channel; contacts change in the presence of release factor 2 (RF2, also named PrfB). Requires RF2/PrfB to hydrolyze stalled peptidyl-tRNA on the ribosome; recruits and probably helps position RF2/PrfB correctly in the ribosomal A site so RF2's GGQ motif can hydrolyze the peptidyl-tRNA bond. Does not release ribosomes with a programmed pause caused by regulatory chains such as SecM-mediated pausing. Binds tRNA which may stimulate its ribosome rescue activity.
  • 基因功能參考文獻：
    1. ArfA binds within the ribosomal mRNA channel and substitutes for the absent stop codon in the A site by specifically recruiting release factor 2 (RF2), initially in a compact preaccommodated state. PMID: 27934701
    2. This study demonstrated the sites and modes of binding of ArfA to the stalled ribosome. PMID: 25355516
    3. ArfA recruits RF2 into the A site of the ribosome to facilitate peptidyl-tRNA hydrolysis. PMID: 22922063
    4. These results indicate that ArfA (YhdL) rescues the ribosome stalled at the 3' end of a non-stop mRNA without involving trans-translation. PMID: 21062370
  • 蛋白家族：
    Alternative ribosome-rescue factor A family
  • 數據庫鏈接：


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