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  4. Recombinant Escherichia coli Nitrate/nitrite sensor protein narX (narX), partial

Recombinant Escherichia coli Nitrate/nitrite sensor protein narX (narX), partial

  • 中文名称：
    大肠杆菌narX重组蛋白
  • 货号：
    CSB-YP365278ENV1
  • 规格：
  • 来源：
    Yeast
  • 其他：
  • 中文名称：
    大肠杆菌narX重组蛋白
  • 货号：
    CSB-EP365278ENV1
  • 规格：
  • 来源：
    E.coli
  • 其他：
  • 中文名称：
    大肠杆菌narX重组蛋白
  • 货号：
    CSB-EP365278ENV1-B
  • 规格：
  • 来源：
    E.coli
  • 共轭：
    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：
  • 中文名称：
    大肠杆菌narX重组蛋白
  • 货号：
    CSB-BP365278ENV1
  • 规格：
  • 来源：
    Baculovirus
  • 其他：
  • 中文名称：
    大肠杆菌narX重组蛋白
  • 货号：
    CSB-MP365278ENV1
  • 规格：
  • 来源：
    Mammalian cell
  • 其他：

产品详情

  • 纯度：
    >85% (SDS-PAGE)
  • 基因名：
    narX
  • Uniprot No.：
  • 别名：
    narX; narR; b1222; JW1213; Nitrate/nitrite sensor protein NarX
  • 种属：
    Escherichia coli (strain K12)
  • 蛋白长度：
    Partial
  • 蛋白标签：
    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.
  • 产品提供形式：
    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.
  • 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.
    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.
  • 注意事项：
    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.

产品评价

靶点详情

  • 功能：
    Acts as a sensor for nitrate/nitrite and transduces signal of nitrate availability to the NarL protein and of both nitrate/nitrite to the NarP protein. NarX probably activates NarL and NarP by phosphorylation in the presence of nitrate. NarX also plays a negative role in controlling NarL activity, probably through dephosphorylation in the absence of nitrate.
  • 基因功能参考文献：
    1. Results from bacterial adenylate cyclase two-hybrid analysis revealed robust interactions for the NarX-NarL, NarQ-NarL and NarQ-NarP pairs but a much weaker interaction for the NarX-NarP pair. PMID: 25873583
    2. Missense substitutions in NarX affect transmitter phosphatase function without directly changing the active-site region. PMID: 23517441
    3. HAMP domain HD2 and S-helix regions overlap and form a continuous coiled-coil marked by a heptad repeat stutter. Impaired induction phenotypes were conferred by heptad deletions within the S-helix conserved core and that remove the heptad stutter. PMID: 19966007
    4. analysis of FNR regulon and its interactions with nitrate, nitrite, NarXL, and NarQP PMID: 16377617
    5. study showed that only a small proportion of NarX and NarQ remain phosphorylated in the absence of nitrate, resulting in efficient response regulator dephosphorylation by the remaining unphosphorylated sensors PMID: 18375557

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  • 亚细胞定位：
    Cell inner membrane; Multi-pass membrane protein.
  • 数据库链接：

    KEGG: ecj:JW1213

    STRING: 316385.ECDH10B_1281