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  4. Recombinant Escherichia coli DNA ligase (ligA)

Recombinant Escherichia coli DNA ligase (ligA)

  • 中文名稱：
    大腸桿菌ligA重組蛋白
  • 貨號(hào)：
    CSB-EP322745ENV
  • 規(guī)格：
    ￥2328
  • 圖片：
    • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
  • 其他：

產(chǎn)品詳情

  • 純度：
    Greater than 90% as determined by SDS-PAGE.
  • 基因名：
    ligA
  • Uniprot No.：
  • 別名：
    ligA; dnaL; lig; lop; pdeC; b2411; JW2403; DNA ligase; EC 6.5.1.2; Polydeoxyribonucleotide synthase [NAD(+)]
  • 種屬：
    Escherichia coli (strain K12)
  • 蛋白長(zhǎng)度：
    Full Length
  • 來源：
    E.coli
  • 分子量：
    77.6kDa
  • 表達(dá)區(qū)域：
    1-671aa
  • 氨基酸序列
    MESIEQQLTELRTTLRHHEYLYHVMDAPEIPDAEYDRLMRELRELETKHPELITPDSPTQRVGAAPLAAFSQIRHEVPMLSLDNVFDEESFLAFNKRVQDRLKNNEKVTWCCELKLDGLAVSILYENGVLVSAATRGDGTTGEDITSNVRTIRAIPLKLHGENIPARLEVRGEVFLPQAGFEKINEDARRTGGKVFANPRNAAAGSLRQLDPRITAKRPLTFFCYGVGVLEGGELPDTHLGRLLQFKKWGLPVSDRVTLCESAEEVLAFYHKVEEDRPTLGFDIDGVVIKVNSLAQQEQLGFVARAPRWAVAFKFPAQEQMTFVRDVEFQVGRTGAITPVARLEPVHVAGVLVSNATLHNADEIERLGLRIGDKVVIRRAGDVIPQVVNVVLSERPEDTREVVFPTHCPVCGSDVERVEGEAVARCTGGLICGAQRKESLKHFVSRRAMDVDGMGDKIIDQLVEKEYVHTPADLFKLTAGKLTGLERMGPKSAQNVVNALEKAKETTFARFLYALGIREVGEATAAGLAAYFGTLEALEAASIEELQKVPDVGIVVASHVHNFFAEESNRNVISELLAEGVHWPAPIVINAEEIDSPFAGKTVVLTGSLSQMSRDDAKARLVELGAKVAGSVSKKTDLVIAGEAAGSKLAKAQELGIEVIDEAEMLRLLGS
    Note: The complete sequence may include tag sequence, target protein sequence, linker sequence and extra sequence that is translated with the protein sequence for the purpose(s) of secretion, stability, solubility, etc.
    If the exact amino acid sequence of this recombinant protein is critical to your application, please explicitly request the full and complete sequence of this protein before ordering.
  • 蛋白標(biāo)簽：
    N-terminal 6xHis-tagged
  • 產(chǎn)品提供形式：
    Liquid or 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.
  • 緩沖液：
    If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
    Note: If you have any special requirement for the glycerol content, please remark when you place the order.
    If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose.
  • 儲(chǔ)存條件：
    Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
  • 保質(zhì)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：
    Basically, we can dispatch the products out in 1-3 working days after receiving your orders. 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(xiàng)：
    Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
  • Datasheet & COA：
    Please contact us to get it.

產(chǎn)品評(píng)價(jià)

靶點(diǎn)詳情

  • 功能：
    DNA ligase that catalyzes the formation of phosphodiester linkages between 5'-phosphoryl and 3'-hydroxyl groups in double-stranded DNA using NAD as a coenzyme and as the energy source for the reaction. It is essential for DNA replication and repair of damaged DNA.
  • 基因功能參考文獻(xiàn)：
    1. Kinetic mechanism and fidelity of nick sealing by Escherichia coli LigA has been described. PMID: 26857547
    2. Here the authors show that replication without ligase kills after a short resistance period. PMID: 22582878
    3. temperature sensitive mutant characterized PMID: 15583169
    4. analysis of the nucleotidyltransferase domain of Escherichia coli NAD+-dependent DNA ligase (LigA) PMID: 15671015
    5. The deletion of the BRCT domain from LigA reduced in vitro ligation activity by 3-fold and also reduced DNA binding. PMID: 15848142
    6. 2.3 A crystal structure of LigA bound to an adenylylated nick, which captures LigA in a state poised for strand closure and reveals the basis for nick recognition PMID: 17466627
    7. structure-function analysis of the OB, HhH & BRCT domains of LigA; study found that the BRCT domain is required in its entirety for effective nick sealing and AMP-dependent supercoil relaxation PMID: 18515356

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  • 蛋白家族：
    NAD-dependent DNA ligase family, LigA subfamily
  • 數(shù)據(jù)庫(kù)鏈接：