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  4. Recombinant Escherichia coli Chemotaxis protein CheW (cheW)

Recombinant Escherichia coli Chemotaxis protein CheW (cheW)

  • 中文名称：
    Recombinant Escherichia coli Chemotaxis protein CheW (cheW)
  • 货号：
    CSB-EP364282ENV
  • 规格：
    ￥2328
  • 图片：
    • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
  • 其他：

产品详情

  • 纯度：
    Greater than 95% as determined by SDS-PAGE.
  • 生物活性：
    Not Test
  • 基因名：
    cheW
  • Uniprot No.：
    P0A964
  • 种属：
    Escherichia coli (strain K12)
  • 蛋白长度：
    Full Length
  • 来源：
    E.coli
  • 分子量：
    25.5 kDa
  • 表达区域：
    1-167aa
  • 氨基酸序列
    MTGMTNVTKLASEPSGQEFLVFTLGDEEYGIDILKVQEIRGYDQVTRIANTPAFIKGVTNLRGVIVPIVDLRIKFSQVDVDYNDNTVVIVLNLGQRVVGIVVDGVSDVLSLTAEQIRPAPEFAVTLSTEYLTGLGALGDRMLILVNIEKLLNSEEMALLDSAASEVA
    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：
    If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose.
  • 复溶：
    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.
  • 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：
    Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
  • 注意事项：
    Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.
  • Datasheet & COA：
    Please contact us to get it.

产品评价

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cheW Proteins

靶点详情

  • 功能：
    Involved in the transmission of sensory signals from the chemoreceptors to the flagellar motors. It physically bridges CheA to the MCPs (methyl-accepting chemotaxis proteins) to allow regulated phosphotransfer to CheY and CheB.
  • 基因功能参考文献：
    1. Results suggest that ligand binding triggers changes in the receptor that alter its signalling contacts with CheW. PMID: 25060668
    2. Co-overexpression of Tsr, CheA, and CheW yields hexagonal Arrays. PMID: 24580139
    3. analysis of CheA and CheW protein architecture and their role in bacterial chemotaxis PMID: 22355139
    4. The exchange of CheA and CheW at receptor clusters shows a modest dependency on the receptor modification. PMID: 21978288
    5. Results identified CheW surfaces responsible for CheA-Tsr interaction. PMID: 21463637
    6. The 2[to]2[to]1 organization is the core structural and functional unit of chemotaxis signaling complexes and hexagonal arrays characteristic of signaling complexes may be built from this unit. PMID: 21606342
    7. The authors propose that the CheW-binding sites in receptor dimers overlap their trimer contact sites and that high levels of CheW saturate the receptor-binding sites, preventing trimer assembly. PMID: 20487303
    8. The synergistic effect of serine and CheW binding to Tsr is attributed to distinct influences on receptor structure PMID: 15766389
    9. chemotaxis in E. coli requires the presence of chemoreceptor arrays and that the formation of these arrays requires the scaffolding interactions of the signaling molecules CheA and CheW PMID: 17360429

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  • 亚细胞定位：
    Cytoplasm.
  • 数据库链接：

    KEGG: ecj:JW1876

    STRING: 316385.ECDH10B_2028

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