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  4. Recombinant Escherichia coli Sensor protein PhoQ (phoQ)

Recombinant Escherichia coli Sensor protein PhoQ (phoQ)

  • 中文名稱：
    大腸桿菌phoQ重組蛋白
  • 貨號：
    CSB-CF326436ENV
  • 規(guī)格：
  • 來源：
    in vitro E.coli expression system
  • 其他：

產(chǎn)品詳情

  • 基因名：
    phoQ
  • Uniprot No.：
  • 別名：
    phoQ; b1129; JW1115; Sensor protein PhoQ; Sensor histidine protein kinase/phosphatase PhoQ
  • 種屬：
    Escherichia coli (strain K12)
  • 蛋白長度：
    full length protein
  • 表達區(qū)域：
    1-486
  • 氨基酸序列
    MKKLLRLFFPLSLRVRFLLATAAVVLVLSLAYGMVALIGYSVSFDKTTFRLLRGESNLFY TLAKWENNKLHVELPENIDKQSPTMTLIYDENGQLLWAQRDVPWLMKMIQPDWLKSNGFH EIEADVNDTSLLLSGDHSIQQQLQEVREDDDDAEMTHSVAVNVYPATSRMPKLTIVVVDT IPVELKSSYMVWSWFIYVLSANLLLVIPLLWVAAWWSLRPIEALAKEVRELEEHNRELLN PATTRELTSLVRNLNRLLKSERERYDKYRTTLTDLTHSLKTPLAVLQSTLRSLRSEKMSV SDAEPVMLEQISRISQQIGYYLHRASMRGGTLLSRELHPVAPLLDNLTSALNKVYQRKGV NISLDISPEISFVGEQNDFVEVMGNVLDNACKYCLEFVEISARQTDEHLYIVVEDDGPGI PLSKREVIFDRGQRVDTLRPGQGVGLAVAREITEQYEGKIVAGESMLGGARMEVIFGRQH SAPKDE
    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.
  • 蛋白標簽：
    N-terminal 10xHis-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：
    Lyophilized from Tris/PBS-based buffer, 6% Trehalose, pH 8.0
  • 儲存條件：
    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：
    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)品評價

靶點詳情

  • 功能：
    Member of the two-component regulatory system PhoP/PhoQ involved in adaptation to low Mg(2+) environments and the control of acid resistance genes. In low periplasmic Mg(2+), PhoQ functions as a membrane-associated protein kinase that undergoes autophosphorylation and subsequently transfers the phosphate to PhoP, resulting in the expression of PhoP-activated genes (PAG) and repression of PhoP-repressed genes (PRG). In high periplasmic Mg(2+), acts as a protein phosphatase that dephosphorylates phospho-PhoP, resulting in the repression of PAG and may lead to expression of some PRG. PhoP-regulated transcription is redox-sensitive, being activated when the periplasm becomes more reducing (deletion of dsbA/dsbB, or treatment with dithiothreitol). MgrB acts between DsbA/DsbB and PhoP/PhoQ in this pathway; the 2 periplasmic Cys residues of MgrB are required for its action on PhoQ, which then acts on PhoP. Mediates magnesium influx to the cytosol by activation of mgtA. Promotes expression of the two-component regulatory system rstA/rstB and transcription of the hemL, mgrB, nagA, slyB, vboR and yrbL genes.
  • 基因功能參考文獻：
    1. analysis indicated that PhoQ kinase function is dependent on the polarity of Asn202, rather than its precise structure or position in the transmembrane region. PMID: 20404199
    2. x-ray crystallographic analysis of the functional dimer of the PhoQ sensor domain PMID: 18348979
  • 亞細胞定位：
    Cell inner membrane; Multi-pass membrane protein.
  • 數(shù)據(jù)庫鏈接：


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