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  4. Recombinant Escherichia phage T7 Single-stranded DNA-binding protein (2.5)

Recombinant Escherichia phage T7 Single-stranded DNA-binding protein (2.5)

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  • 中文名称：
    Recombinant Escherichia phage T7 Single-stranded DNA-binding protein(2.5)
  • 货号：
    CSB-YP366021EEB
  • 规格：
    ￥3612
  • 图片：
    • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
    • Based on the SEQUEST from database of Yeast host and target protein, the LC-MS/MS Analysis result of CSB-YP366021EEB could indicate that this peptide derived from Yeast-expressed Enterobacteria phage T7 (Bacteriophage T7) 2.5.
    • Based on the SEQUEST from database of Yeast host and target protein, the LC-MS/MS Analysis result of CSB-YP366021EEB could indicate that this peptide derived from Yeast-expressed Enterobacteria phage T7 (Bacteriophage T7) 2.5.
  • 其他：

产品详情

  • 纯度：
    Greater than 90% as determined by SDS-PAGE.
  • 基因名：
    2.5
  • Uniprot No.：
    P03696
  • 别名：
    2.5Single-stranded DNA-binding protein gp2.5; SSB protein
  • 种属：
    Enterobacteria phage T7 (Bacteriophage T7)
  • 蛋白长度：
    Full Length
  • 来源：
    Yeast
  • 分子量：
    27.7kDa
  • 表达区域：
    1-232aa
  • 氨基酸序列
    MAKKIFTSALGTAEPYAYIAKPDYGNEERGFGNPRGVYKVDLTIPNKDPRCQRMVDEIVKCHEEAYAAAVEEYEANPPAVARGKKPLKPYEGDMPFFDNGDGTTTFKFKCYASFQDKKTKETKHINLVVVDSKGKKMEDVPIIGGGSKLKVKYSLVPYKWNTAVGASVKLQLESVMLVELATFGGGEDDWADEVEENGYVASGSAKASKPRDEESWDEDDEESEEADEDGDF
    Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
  • 蛋白标签：
    N-terminal 6xHis-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：
    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.
  • 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.

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问答及客户评论

■ 常见问题解答
Q:

1. I am wondering if any sort of DNA binding activity has been verified prior to shipping?
2. What is the purification protocol for these proteins?
3. Does the recombinant SSB expressed in E. coli still retain the His-Sumo tag? Or is it cleaved?

A:
Thanks for your inquiry. Please kindly check the product details, code, name, tag type, especially expression sequence, and confirm which protein you actually want.
We have also provided Uniprot link for you reference, so you will be more clear about the difference between the two products and make your decision.
1. Code: CSB-EP366021EEB
Name: Recombinant Enterobacteria phage T7 Single-stranded DNA-binding protein gp2.5 (2.5)
Expression Region: 1-232aa, Full Length
Tag Info: N-terminal 6xHis-SUMO-tag
Expression Sequence:

MAKKIFTSALGTAEPYAYIAKPDYGNEERGFGNPRGVYKVDLTIPNKDPRCQRMVDEIVKCHEEAYAAAVEEYEANPPAVARGKKPLKPYEGDMPFFDNGDGTTTFKFKCYASFQDKKTKETKHINLVVVDSKGKKMEDVPIIGGGSKLKVKYSLVPYKWNTAVGASVKLQLESVMLVELATFGGGEDDWADEVEENGYVASGSAKASKPRDEESWDEDDEESEEADEDGDF


Uniprot Link: http://www.uniprot.org/uniprot/P03696
2. Code: CSB-EP321793EDY
Name: Recombinant Enterobacteria phage T3 Helix-destabilizing protein (2.5)
Expression Region: 1-232aa, Full Length
Tag Info: N-terminal 10xHis-tagged and C-terminal Myc-tagged
Expression Sequence:

MAGFKKKVYTSGLGTAEPYAYLSKPDYGNEERGFGNPRGVYKVDLTLSNKDPRCQAMVDEIVKTHEEAYAAAVEEFEANPPQVQRGKKPLTPYEGDMPFFDNGDGTTTFKFKCYASFQDKKTKETKHINLVVVDSKGKKIQEVPIIGGGSKLKVKYSLVPYKWNTAVGASVKLQLESVMLVELATFGGGGEDEWADEVEDGGYTASESRQSRDEQEWQEDEHEETPDDDEDF


Uniprot Link: http://www.uniprot.org/uniprot/P20313
Note: CSB-EP321793EDY is a semi-customized protein instead of developed protein, so the price will be relatively higher and the smallest size will be 50ug.
Shipping format: The default delivery form is liquid form. If you have demand for lyophilized form, please remark this requirement when placing order.
Optional service: Do you want aseptic processing and/or endotoxin removal for this protein (recommended for cell culture or in vivo use)?
With our endotoxin removal service we guarantee the endotoxin level to be less than 0.1ng/ug (1EU ug).
Both aseptic processing and endotoxin removal services are free of charge, however they must be requested when the order is placed.
Shipping condition: These products are routinely shipped on ice packs.
Free Service: Endotoxin removal, Filter-sterilization, Lyophilization (Note: Lyophilization and filter-sterilization can’t be met at the same time)
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靶点详情

  • 功能：
    Single-stranded DNA-binding protein that participates in viral DNA replication, formation of concatemers, recombination and repair of double-stranded breaks. Coats the lagging-strand ssDNA as the replication fork advances and stimulates the activities of viral DNA polymerase and primase/helicase. Coordinates simultaneous synthesis of leading- and lagging-strands. Together with DNA primase/helicase, promotes pairing of two homologous DNA molecules containing complementary single-stranded regions and mediates homologous DNA strand exchange. Promotes also the formation of joint molecules. Disrupts loops, hairpins and other secondary structures present on ssDNA to reduce and eliminate pausing of viral DNA polymerase at specific sites during elongation.
  • 基因功能参考文献：
    1. analysis of the interaction of the single-stranded DNA-binding protein of bacteriophage T7 with the DNA polymerase-thioredoxin complex PMID: 20375019
    2. results support a model in which dimerization interactions must be broken for DNA binding, and gp2.5 monomers search dsDNA by 1D diffusion to bind ssDNA. PMID: 18772224
  • 数据库链接：

    KEGG: vg:1261080

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