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Recombinant Pseudomonas aeruginosa PA-I galactophilic lectin (lecA)

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  • 中文名稱:
    銅綠假單胞菌lecA重組蛋白
  • 貨號:
    CSB-EP313124EZX
  • 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-EP313124EZX could indicate that this peptide derived from E.coli-expressed Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) lecA.
    • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP313124EZX could indicate that this peptide derived from E.coli-expressed Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) lecA.
  • 其他:

產(chǎn)品詳情

  • 純度:
    Greater than 90% as determined by SDS-PAGE.
  • 基因名:
    lecA
  • Uniprot No.:
  • 別名:
    lecA; pa1L; PA2570; PA-I galactophilic lectin; PA-IL; Galactose-binding lectin
  • 種屬:
    Pseudomonas aeruginosa (strain ATCC 15692 / PAO1 / 1C / PRS 101 / LMG 12228)
  • 蛋白長度:
    Full Length of Mature Protein
  • 來源:
    E.coli
  • 分子量:
    16.8kDa
  • 表達區(qū)域:
    2-122aa
  • 氨基酸序列
    AWKGEVLANNEAGQVTSIIYNPGDVITIVAAGWASYGPTQKWGPQGDREHPDQGLICHDAFCGALVMKIGNSGTIPVNTGLFRWVAPNNVQGAITLIYNDVPGTYGNNSGSFSVNIGKDQS
    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-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.
  • 產(chǎn)品描述:

    The recombinant Pseudomonas aeruginosa lecA protein is a fusion protein consists of the Pseudomonas aeruginosa lecA protein (2-122aa) partnered with the N-terminal 6xHis tag. It was produced in the E.coli. This recombinant lecA protein's purity is greater than 90% determined by SDS-PAGE. After electrophoresis, there is a 16 kDa protein band presented on the gel.

    LecA is a cytotoxic lectin and adhesin produced by Pseudomonas aeruginosa which binds hydrophobic galactosides with high specificity and affinity. Certain research showed that lecA is expressed in biofilm-grown cells. The carbohydrate-binding protein LecA from Pseudomonas aeruginosa plays an important role in the formation of biofilms in chronic infections. Development of inhibitors to disrupt LecA-mediated biofilms is desired but it is limited to carbohydrate-based ligands. Moreover, discovery of drug-like ligands for LecA is challenging because of its weak affinities. Lectins are carbohydrate-binding proteins with diverse functions that are found in all domains of life. Lectins are involved in the infection process of the Gram-negative bacterium Pseudomonas aeruginosa, an important member of the often highly drug-resistant ESKAPE pathogens. The two bacterial lectins LecA and LecB, are virulence factors that are important for bacterial adhesion. LecA and LecB, which can be specific for galactose and fucose (Fuc), respectively. The affinity of Fuc and LecB was much higher than that of galactose and LecA. Multiple saccharin and saccharide inhibitors targeting LecB have successfully applied to treat P. aeruginosa infection.

  • Datasheet & COA:
    Please contact us to get it.

產(chǎn)品評價

靶點詳情

  • 功能:
    D-galactose specific lectin. Binds in decreasing order of affinity: melibiose, methyl-alpha-D-galactoside, D-galactose, methyl-beta-D-galactoside, N-acetyl-D-galactosamine. Similar to plant lectins in its selective (carbohydrate-specific) hemagglutinating activity.
  • 基因功能參考文獻:
    1. The crystal structure of LecA/melibiose complex shows a secondary sugar binding site with glucose bound. PMID: 24123124
    2. Study established the structural features of PA-IL (LecA} in complex with the three disaccharides by docking and molecular dynamics simulations. PMID: 20410292
    3. It is concluded that the carbohydrate recognizing site of the lectin can have a binding requirement of only one saccharide. PMID: 16542817
    4. Results describe the crystal structure of P. aeruginosa lectin I complexed to alphaGal1-3betaGal1-4Glc trisaccharide at 1.9-A resolution and reveal how the second galactose residue makes specific contacts with the protein surface. PMID: 18762193
    5. The results demonstrate that there is a relationship between the LecA and LecB lectins and the pathogenicity of P. aeruginosa. PMID: 19237519

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  • 亞細胞定位:
    Cytoplasm. Periplasm. Cell surface. Note=Low exposure on the cell surface.
  • 蛋白家族:
    LecA/PllA lectin family
  • 數(shù)據(jù)庫鏈接:

    KEGG: pae:PA2570

    STRING: 208964.PA2570



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