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  4. Recombinant Escherichia coli ATP-dependent DNA helicase recQ (recQ)

Recombinant Escherichia coli ATP-dependent DNA helicase recQ (recQ)

  • 中文名稱：
    大腸桿菌recQ重組蛋白
  • 貨號：
    CSB-YP321342ENV
  • 規格：
  • 來源：
    Yeast
  • 其他：
  • 中文名稱：
    大腸桿菌recQ重組蛋白
  • 貨號：
    CSB-EP321342ENV
  • 規格：
  • 來源：
    E.coli
  • 其他：
  • 中文名稱：
    大腸桿菌recQ重組蛋白
  • 貨號：
    CSB-EP321342ENV-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：
    大腸桿菌recQ重組蛋白
  • 貨號：
    CSB-BP321342ENV
  • 規格：
  • 來源：
    Baculovirus
  • 其他：
  • 中文名稱：
    大腸桿菌recQ重組蛋白
  • 貨號：
    CSB-MP321342ENV
  • 規格：
  • 來源：
    Mammalian cell
  • 其他：

產品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
    recQ
  • Uniprot No.：
  • 別名：
    recQ; b3822; JW5855; ATP-dependent DNA helicase RecQ; EC 3.6.4.12
  • 種屬：
    Escherichia coli (strain K12)
  • 蛋白長度：
    Full Length of Mature Protein
  • 表達區域：
    2-609
  • 氨基酸序列
    AQAEVLNLE SGAKQVLQET FGYQQFRPGQ EEIIDTVLSG RDCLVVMPTG GGKSLCYQIP ALLLNGLTVV VSPLISLMKD QVDQLQANGV AAACLNSTQT REQQLEVMTG CRTGQIRLLY IAPERLMLDN FLEHLAHWNP VLLAVDEAHC ISQWGHDFRP EYAALGQLRQ RFPTLPFMAL TATADDTTRQ DIVRLLGLND PLIQISSFDR PNIRYMLMEK FKPLDQLMRY VQEQRGKSGI IYCNSRAKVE DTAARLQSKG ISAAAYHAGL ENNVRADVQE KFQRDDLQIV VATVAFGMGI NKPNVRFVVH FDIPRNIESY YQETGRAGRD GLPAEAMLFY DPADMAWLRR CLEEKPQGQL QDIERHKLNA MGAFAEAQTC RRLVLLNYFG EGRQEPCGNC DICLDPPKQY DGSTDAQIAL STIGRVNQRF GMGYVVEVIR GANNQRIRDY GHDKLKVYGM GRDKSHEHWV SVIRQLIHLG LVTQNIAQHS ALQLTEAARP VLRGESSLQL AVPRIVALKP KAMQKSFGGN YDRKLFAKLR KLRKSIADES NVPPYVVFND ATLIEMAEQM PITASEMLSV NGVGMRKLER FGKPFMALIR AHVDGDDEE
  • 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：
    Involved in the RecF recombination pathway; its gene expression is under the regulation of the SOS system. It is a DNA helicase.
  • 基因功能參考文獻：
    1. To illustrate the single-molecule unwinding assay and the analysis routine, we provide DNA unwinding measurements of Escherichia coli RecQ helicase under a variety of conditions (Na+, ATP, temperature, and DNA substrate geometry). PMID: 27131595
    2. Data show that the single-stranded DNA binding protein (SSB)-RecQ helicase (RecQ) interaction changes the binding mode of SSB, thereby allowing RecQ to gain access to ssDNA and facilitating DNA unwinding. PMID: 29059328
    3. the mechanochemical coupling of E. coli RecQ appears to be independent of HRDC-ssDNA and HRDC-RecA core interactions, which may play roles in more specialized functions of the enzyme. PMID: 26067769
    4. Thus, bacterial type 1A topos maintain the stability of the genome (i) by preventing over-replication originating from oriC (topo I alone) and R-loops and (ii) by acting with RecQ. PMID: 25102178
    5. The study found that the interaction of RecQ with DNA results in a drastic acceleration of the rate-limiting ATP cleavage step, which occurs productively due to subsequent rapid phosphate release. PMID: 25539922
    6. The results shed light on the nature of conformational changes leading to processive ssDNA translocation and multistranded DNA processing by RecQ helicases. PMID: 24403069
    7. Results describe the mechanism of DNA unwinding by the Escherichia coli RecQ helicase using a new sensitive helicase assay based on fluorescence cross-correlation spectroscopy (FCCS) with two-photon excitation. PMID: 20048388
    8. The aromatic-rich loop in RecQ is critical for coupling ATPase and DNA-binding/unwinding activities. PMID: 16340008
    9. E.coli RecQ functions as a monomer and some of the Superfamily 2 helicases may function through an "inchworm" mechanism PMID: 16507576
    10. RecQ promotes the net accumulation of bimolecular recombination intermediates in vivo, indicating a second paradigm for the in vivo effect of RecQ-like proteins. PMID: 17466628
    11. SSB is a broadly conserved RecQ-binding protein PMID: 17483090
    12. These results support a model in which RecQ has evolved an SSB-C-terminal binding site on its winged-helix domain as an adaptation that aids its cellular functions on SSB/DNA nucleoprotein substrates. PMID: 19150358

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  • 蛋白家族：
    Helicase family, RecQ subfamily
  • 數據庫鏈接：


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