Your Good Partner in Biology Research

  1. 首页
  2. 蛋白
  3. 重组蛋白
  4. Recombinant Escherichia phage T7 DNA helicase/primase,partial

Recombinant Escherichia phage T7 DNA helicase/primase,partial

In Stock
  • 中文名称：
    Recombinant Escherichia phage T7 DNA helicase/primase,partial
  • 货号：
    CSB-EP356120EEB
  • 规格：
    ￥2328
  • 图片：
    • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP356120EEB could indicate that this peptide derived from E.coli-expressed Enterobacteria phage T7 (Bacteriophage T7) 4.
    • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP356120EEB could indicate that this peptide derived from E.coli-expressed Enterobacteria phage T7 (Bacteriophage T7) 4.
  • 其他：

产品详情

  • 纯度：
    Greater than 85% as determined by SDS-PAGE.
  • 基因名：
    N/A
  • Uniprot No.：
  • 别名：
    DNA primase/helicase; Gene product 4; Gp4
  • 种属：
    Escherichia phage T7 (Bacteriophage T7)
  • 蛋白长度：
    Partial
  • 来源：
    E.coli
  • 分子量：
    51.3 kDa
  • 表达区域：
    151-548aa
  • 氨基酸序列
    KKIVVTEGEIDMLTVMELQDCKYPVVSLGHGASAAKKTCAANYEYFDQFEQIILMFDMDEAGRKAVEEAAQVLPAGKVRVAVLPCKDANECHLNGHDREIMEQVWNAGPWIPDGVVSALSLRERIREHLSSEESVGLLFSGCTGINDKTLGARGGEVIMVTSGSGMGKSTFVRQQALQWGTAMGKKVGLAMLEESVEETAEDLIGLHNRVRLRQSDSLKREIIENGKFDQWFDELFGNDTFHLYDSFAEAETDRLLAKLAYMRSGLGCDVIILDHISIVVSASGESDERKMIDNLMTKLKGFAKSTGVVLVVICHLKNPDKGKAHEEGRPVSITDLRGSGALRQLSDTIIALERNQQGDMPNLVLVRILKCRFTGDTGIAGYMEYNKETGWLEPSSYS
    Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
  • 蛋白标签：
    N-terminal 10xHis-tagged and C-terminal Myc-tagged
  • 产品提供形式：
    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.
  • 缓冲液：
    Tris-based buffer，50% glycerol
  • 储存条件：
    Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
  • 保质期：
    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.
  • 货期：
    3-7 business days
  • 注意事项：
    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.

产品评价

靶点详情

  • 功能：
    ATP-dependent DNA helicase and primase essential for viral DNA replication and recombination. The helicase moves 5' -> 3' on the lagging strand template, unwinding the DNA duplex ahead of the leading strand polymerase at the replication fork and generating ssDNA for both leading and lagging strand synthesis. ATP or dTTP hydrolysis propels each helicase domain to translocate 2 nt per step sequentially along DNA. Mediates strand transfer when a joint molecule is available and participates in recombinational DNA repair through its role in strand exchange. Primase activity synthesizes short RNA primers at the sequence 5'-GTC-3' on the lagging strand that the polymerase elongates using dNTPs and providing the primase is still present.
  • 基因功能参考文献：
    1. structural model of a bacteriophage T7 DNA helicase-DNA polymerase complex PMID: 22977246
    2. Zinc-binding domain of the bacteriophage T7 DNA primase modulates binding to the DNA template PMID: 23024359
    3. Data show that tryptophans Trp-42, -97, and -147 play different but essential roles in T7 DNA primase. PMID: 22605336
    4. The ligation state of the zinc ion was examined by X-ray absorption spectroscopy and biochemical analysis of genetically altered primases, was analysed. PMID: 19206208
    5. thioredoxin-binding domain of T7 DNA polymerase is the site of interaction of the phage-encoded helicase/primase (gp4) and ssDNA binding protein (gp2.5) PMID: 15795374
    6. residues Glu-157, Glu-159, Asp-161, Asp-207, Asp-209, and Asp-237 are essential for binding affinity for ATP PMID: 15917241
    7. The switch in contacts between Asp(263) and Tyr(411), Lys(408), or Arg(404) in helix E of the adjacent subunit results in conformational changes that modulate helicase and primase activity. PMID: 19574219

    显示更多

    收起更多

  • 数据库链接：

    KEGG: vg:1261046