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  4. Recombinant Bacillus subtilis Competence transcription factor (comK)

Recombinant Bacillus subtilis Competence transcription factor (comK)

  • 中文名稱：
    Recombinant Bacillus subtilis Competence transcription factor(comK)
  • 貨號：
    CSB-YP340243BRJ
  • 說明書：
  • 規格：
  • 來源：
    Yeast
  • 其他：
  • 中文名稱：
    Recombinant Bacillus subtilis Competence transcription factor(comK)
  • 貨號：
    CSB-EP340243BRJ
  • 說明書：
  • 規格：
  • 來源：
    E.coli
  • 其他：
  • 中文名稱：
    Recombinant Bacillus subtilis Competence transcription factor(comK)
  • 貨號：
    CSB-EP340243BRJ-B
  • 說明書：
  • 規格：
  • 來源：
    E.coli
  • 共軛：
    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：
  • 中文名稱：
    Recombinant Bacillus subtilis Competence transcription factor(comK)
  • 貨號：
    CSB-BP340243BRJ
  • 說明書：
  • 規格：
  • 來源：
    Baculovirus
  • 其他：
  • 中文名稱：
    Recombinant Bacillus subtilis Competence transcription factor(comK)
  • 貨號：
    CSB-MP340243BRJ
  • 說明書：
  • 規格：
  • 來源：
    Mammalian cell
  • 其他：

產品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
    comK
  • Uniprot No.：
  • 別名：
    comK; BSU10420Competence transcription factor; CTF; Competence protein K
  • 種屬：
    Bacillus subtilis (strain 168)
  • 蛋白長度：
    full length protein
  • 表達區域：
    1-192
  • 氨基酸序列
    MSQKTDAPLE SYEVNGATIA VLPEEIDGKI CSKIIEKDCV FYVNMKPLQI VDRSCRFFGS SYAGRKAGTY EVTKISHKPP IMVDPSNQIF LFPTLSSTRP QCGWISHVHV KEFKATEFDD TEVTFSNGKT MELPISYNSF ENQVYRTAWL RTKFQDRIDH RVPKRQEFML YPKEERTKMI YDFILRELGE RY
  • 蛋白標簽：
    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.
  • 產品提供形式：
    Lyophilized powder Warning: in_array() expects parameter 2 to be array, null given in /www/web/cusabio_cn/public_html/caches/caches_template/default/content/show_product_protein.php on line 662
    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.
  • 復溶：
    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.
  • 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：
    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 ：
    Please contact us to get it.

產品評價

靶點詳情

  • 功能：
    A master regulator required for the expression of late competence genes including comC, comE, comG and the bdbDC operon. Receives signals from SrfA, and possibly other regulatory COM genes, and transduces these signals to the late COM genes. Represses transcription of rok. May repress expression of a few genes.
  • 基因功能參考文獻：
    1. DegU functions through the inverted repeat in the comK promoter and the tandem repeat in the aprE promoter PMID: 15598897
    2. transcriptional regulation determines the threshold of ComK to initiate the auto-stimulatory response, and that the basal level of ComK determines the fraction of cells that reach this threshold, and thus develop competence. PMID: 15819618
    3. We have addressed the origin of bistability in expression of ComK. PMID: 15819619
    4. Results suggest an important structural role for T(2) in ComK binding, probably by its specific position in the minor groove of the DNA. PMID: 17468244
    5. ComK acts as an activator at its own promoter by antagonizing the action of two repressors, Rok and CodY. PMID: 17493123
    6. study demonstrates that noise in comK expression selects cells for competence and that experimental reduction of this noise decreases the number of competent cells; transitions are limited temporally by a reduction in comK transcription PMID: 17569828

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