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  4. Recombinant Escherichia coli Chaperone-like protein hdeA (hdeA)

Recombinant Escherichia coli Chaperone-like protein hdeA (hdeA)

  • 中文名稱：
    大腸桿菌hdeA重組蛋白
  • 貨號：
    CSB-YP360159ENV
  • 說明書：
  • 規(guī)格：
  • 來源：
    Yeast
  • 其他：
  • 中文名稱：
    大腸桿菌hdeA重組蛋白
  • 貨號：
    CSB-EP360159ENV
  • 說明書：
  • 規(guī)格：
  • 來源：
    E.coli
  • 其他：
  • 中文名稱：
    大腸桿菌hdeA重組蛋白
  • 貨號：
    CSB-EP360159ENV-B
  • 說明書：
  • 規(guī)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：
    大腸桿菌hdeA重組蛋白
  • 貨號：
    CSB-BP360159ENV
  • 說明書：
  • 規(guī)格：
  • 來源：
    Baculovirus
  • 其他：
  • 中文名稱：
    大腸桿菌hdeA重組蛋白
  • 貨號：
    CSB-MP360159ENV
  • 說明書：
  • 規(guī)格：
  • 來源：
    Mammalian cell
  • 其他：

產(chǎn)品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
    hdeA
  • Uniprot No.：
  • 別名：
    hdeA; yhhC; yhiB; b3510; JW3478; Acid stress chaperone HdeA; 10K-S protein
  • 種屬：
    Escherichia coli (strain K12)
  • 蛋白長度：
    Full Length of Mature Protein
  • 表達區(qū)域：
    22-110
  • 氨基酸序列
    ADAQKAADN KKPVNSWTCE DFLAVDESFQ PTAVGFAEAL NNKDKPEDAV LDVQGIATVT PAIVQACTQD KQANFKDKVK GEWDKIKKDM
  • 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(chǎn)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(fù)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(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：
    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(chǎn)品評價

靶點詳情

  • 功能：
    Required for optimal acid stress protection. Exhibits a chaperone-like activity only at pH below 3 by suppressing non-specifically the aggregation of denaturated periplasmic proteins. Important for survival of enteric bacteria in the acidic environment of the host stomach. Also promotes the solubilization at neutral pH of proteins that had aggregated in their presence at acidic pHs. May cooperate with other periplasmic chaperones such as DegP and SurA.
  • 基因功能參考文獻：
    1. HdeA binds its substrates heterogeneously, and the "amphiphilic" model for HdeA-substrate interaction is discussed. PMID: 29016106
    2. HdeB activation is coupled to its intrinsic dynamics instead of structural changes, and therefore its functional mechanism is apparently different from HdeA. PMID: 26593705
    3. these results provide insight into the process by which HdeA is primed to unfold and carry out its chaperone duties below pH 3.0 PMID: 24375557
    4. The small periplasmic chaperone HdeA is directly activated by partial unfolding in a low ph environment. PMID: 23487787
    5. The authors conclude that E. coli O157:H7 strains have evolved acid survival strategies independent of the HdeA/B chaperones and are more acid resistant than nonpathogenic K-12. PMID: 22179243
    6. HdeA exposes hydrophobic surfaces that appear to be involved in the binding of denatured substrate proteins at extremely low pH values PMID: 15911614
    7. HdeA and HdeB not only help to maintain proteins in a soluble state during acid treatment, as previously reported, but also assist, both in vitro and in vivo, in the solubilization at neutral pH of mixed protein-chaperone aggregates formed at acidic pH PMID: 18359765
    8. the partially unfolded character of active HdeA allows the chaperone to adopt different conformations as required for the recognition and high-affinity binding of different substrate proteins. PMID: 19321422

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  • 亞細胞定位：
    Periplasm.
  • 蛋白家族：
    HdeA family
  • 數(shù)據(jù)庫鏈接：


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