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  4. Recombinant Escherichia coli Type 1 fimbrin D-mannose specific adhesin (fimH)

Recombinant Escherichia coli Type 1 fimbrin D-mannose specific adhesin (fimH)

In Stock
  • 中文名稱：
    大腸桿菌fimH重組蛋白
  • 貨號：
    CSB-EP362349ENV
  • 規(guī)格：
    ￥2328
  • 圖片：
    • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
    • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP362349ENV could indicate that this peptide derived from E.coli-expressed Escherichia coli (strain K12) fimH.
    • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP362349ENV could indicate that this peptide derived from E.coli-expressed Escherichia coli (strain K12) fimH.
  • 其他：

產(chǎn)品詳情

  • 純度：
    Greater than 90% as determined by SDS-PAGE.
  • 基因名：
    fimH
  • Uniprot No.：
  • 別名：
    fimH; b4320; JW4283Type 1 fimbrin D-mannose specific adhesin; Protein FimH
  • 種屬：
    Escherichia coli (strain K12)
  • 蛋白長度：
    Full Length of Mature Protein
  • 來源：
    E.coli
  • 分子量：
    59.1kDa
  • 表達區(qū)域：
    22-300aa
  • 氨基酸序列
    FACKTANGTAIPIGGGSANVYVNLAPVVNVGQNLVVDLSTQIFCHNDYPETITDYVTLQRGSAYGGVLSNFSGTVKYSGSSYPFPTTSETPRVVYNSRTDKPWPVALYLTPVSSAGGVAIKAGSLIAVLILRQTNNYNSDDFQFVWNIYANNDVVVPTGGCDVSARDVTVTLPDYPGSVPIPLTVYCAKSQNLGYYLSGTTADAGNSIFTNTASFSPAQGVGVQLTRNGTIIPANNTVSLGAVGTSAVSLGLTANYARTGGQVTAGNVQSIIGVTFVYQ
    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 6xHis-GST-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：
    If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
    Note: If you have any special requirement for the glycerol content, please remark when you place the order.
    If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose.
  • 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：
    3-7 business days
  • 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

問答及客戶評論

■ 常見問題解答
Q:

?I need the product to present guaranteed biological activity. FimH by itself is very sensitive, and out of what I have read it is highly unstable and lacks structure if not expressed along with FimC (its chaperone, Uniprot Q14F28).
Could you please inform me whether your product is at least expressed along with the FimC chaperone, thus conserves its native structure??

A:
Very nice to receive your inquiry. The product details are confirmed as below.
Code: CSB-EP362349ENV
Name: Recombinant Escherichia coli Type 1 fimbrin D-mannose specific adhesin(fimH) (Please update.)
Expression Region: 22 – 300aa; Full Length of Mature Protein
Tag Info: N-terminal 6xHis-GST-tagged
Expression Sequence:

FACKTANGTAIPIGGGSANVYVNLAPVVNVGQNLVVDLSTQIFCHNDYPETITDYVTLQRGSAYGGVLSNFSGTVKYSGSSYPFPTTSETPRVVYNSRTDKPWPVALYLTPVSSAGGVAIKAGSLIAVLILRQTNNYNSDDFQFVWNIYANNDVVVPTGGCDVSARDVTVTLPDYPGSVPIPLTVYCAKSQNLGYYLSGTTADAGNSIFTNTASFSPAQGVGVQLTRNGTIIPANNTVSLGAVGTSAVSLGLTANYARTGGQVTAGNVQSIIGVTFVYQ


Product Type: In-stock Recombinant Protein
We have both Liquid Form and Lyophilized Powder of stock. The details are as below.
1) Delivery Form: Liquid Form
Storage Buffer: 10 mM Tris-HCl, 1 mM EDTA, pH 8.0, 50% glycerol
Endotoxin Removal: No
Aseptic Processing: No
2) Delivery Form: Lyophilized Powder
Buffer before Lyophilization: Lyophilized from a 0.2 μm filtered 10 mM Tris-HCl, 1 mM EDTA, pH 8.0
Endotoxin Removal: No
Aseptic Processing: No
Note: If your order size matches with our stock size, we could deliver Lyophilized Powder directly. If not, we suggest to deliver Liquid Form.
We haven't tested the activity of this protein yet. The protein we provide is full length of mature protein which does not contain molecular chaperone FimC.
It is mentioned in this article "By direct binding of FimH to D-mannose attached to a carrier protein, we demonstrated that this protein was uniquely responsible for the receptor specificity.".Here is the link of the article: https://www.ncbi.nlm.nih.gov/pubmed/1971261

靶點詳情

  • 功能：
    Involved in regulation of length and mediation of adhesion of type 1 fimbriae (but not necessary for the production of fimbriae). Adhesin responsible for the binding to D-mannose. It is laterally positioned at intervals in the structure of the type 1 fimbriae. In order to integrate FimH in the fimbriae FimF and FimG are needed.
  • 基因功能參考文獻：
    1. Conformational switch of the bacterial adhesin FimH in the absence of the regulatory domain. PMID: 29180452
    2. Evolutionary fine-tuning of conformational ensembles in FimH during host-pathogen interactions. PMID: 28246638
    3. A mutant missing the type 1 pilus-associated adhesin FimH displayed somewhat reduced persistence within the gut. PMID: 29311232
    4. The authors demonstrated that FimH residues E50 and T53 are crucial for adhesion under flow conditions. PMID: 27816993
    5. In the absence of tensile force, the FimH pilin domain allosterically accelerates spontaneous ligand dissociation from the FimH lectin domain by 100,000-fold. PMID: 26948702
    6. mouse urothelium responds to the adhesion of type 1-fimbriated UPEC by activating dual ligand/receptor system, one between FimH adhesin and uroplakin Ia and another between lipopolysaccharide and Tlr4. PMID: 26549759
    7. Luteolin decreased the attachment and invasion of UPEC in bladder epithelial cells down-regulating the expression of adhesin fimH gene PMID: 25051393
    8. Data indicate that thiazolylaminomannosides prevented bacterial attachment to the gut by blocking the FimH bacterial adhesin. PMID: 23795713
    9. New promising vaccine combinations based on the FliC antigen against urinary tract infections caused by uropathogenic Escherichia coli. PMID: 23220068
    10. analyzed mutational patterns in the fimH gene of mucosa-associated E. coli strains isolated from IBD and non-IBD pediatric patients to investigate microevolution of this genetic trait; study found some FimH variants that seem to be more involved than others in evolution of inflammatory bowel disease pathogenesis PMID: 22290143
    11. FimH elicits an immune response that enhances cell adhesion of Escherichia coli. PMID: 21768279
    12. Study presents the crystal structure of FimH incorporated into the multiprotein fimbrial tip, where the anchoring (pilin) domain of FimH interacts with the mannose-binding (lectin) domain and causes a twist in the beta sandwich fold of the latter. PMID: 20478255
    13. Co-immunoprecipitation experiments in the presence of alpha-methyl mannose verified the binding of Escherichia coli FimH to ATP synthase beta-subunit of human brain microvascular endothelial cells. PMID: 20067530
    14. the single A62S mutation altered phase variation, reducing the proportion of piliated cells, reduced mannose binding 8-fold, and decreased bladder colonization 30-fold in vivo compared to wild-type PMID: 20018753
    15. FimH adhesin activated the murine microglial cell line, BV-2, which resulted in the production of nitric oxide and the release of tumor necrosis factor-alpha. PMID: 16036224
    16. analysis of trimannose versus monomannose interactions with the FimH adhesin of Escherichia coli PMID: 16624825
    17. Stability of the FimH-mannose bond. PMID: 16933977
    18. findings indicate that FimH induces host cell signalling cascades that are involved in E. coli K1 invasion of human brain microvascular endothelial cells (HBMEC) and CD48 is a putative HBMEC receptor for FimH PMID: 17222190
    19. Functional trade-offs may determine the natural populational instability of this mutation or other pathoadaptive FimH mutations that confer dramatic increases in 1M binding strength. PMID: 17502398
    20. analysis of how interdomain interactions in the FimH adhesin of Escherichia coli regulate the affinity to mannose PMID: 17567583
    21. Data show that removal of the cysteine bond in the mannose-binding domain of FimH did not affect FimH-mannose binding under static or low shear conditions, but the adhesion level was substantially decreased under increased fluid flow. PMID: 17697252
    22. integrin-like allosteric link between the binding pocket and the interdomain conformation can serve as the basis for the catch bond property of FimH and, possibly, other adhesive proteins. PMID: 18174167
    23. Deletion of fimH resulted in lost of agglutination ability. PMID: 18438011
    24. Naturally occurring mutations in the signal peptides of the adhesive, tip-associated subunit of type 1 fimbriae (FimH) are positively selected in uropathogenic Escherichia coli. PMID: 18664574
    25. The authors show by cryo-electron microscopy that FimH binding to the extracellular domain of UP Ia induces global conformational changes in the entire UP receptor complex, including a coordinated movement of the tightly bundled transmembrane helices. PMID: 19577575

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  • 亞細胞定位：
    Fimbrium.
  • 蛋白家族：
    Fimbrial protein family
  • 數(shù)據(jù)庫鏈接：

    KEGG: ecj:JW4283

    STRING: 316407.85677063



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