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  4. Recombinant Escherichia coli Major outer membrane lipoprotein Lpp (lpp)

Recombinant Escherichia coli Major outer membrane lipoprotein Lpp (lpp)

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  • 中文名称：
    大肠杆菌lpp重组蛋白
  • 货号：
    CSB-EP300885ENV
  • 规格：
    ￥2328
  • 图片：
    • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP300885ENV could indicate that this peptide derived from E.coli-expressed Escherichia coli (strain K12) lpp.
    • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP300885ENV could indicate that this peptide derived from E.coli-expressed Escherichia coli (strain K12) lpp.
  • 其他：

产品详情

  • 纯度：
    Greater than 85% as determined by SDS-PAGE.
  • 基因名：
    lpp
  • Uniprot No.：
  • 别名：
    lpp; mlpA; mulI; b1677; JW1667Major outer membrane lipoprotein Lpp; Braun lipoprotein; BLP; Murein-lipoprotein
  • 种属：
    Escherichia coli (strain K12)
  • 蛋白长度：
    Full Length of Mature Protein
  • 来源：
    E.coli
  • 分子量：
    21.8 kDa
  • 表达区域：
    21-78aa
  • 氨基酸序列
    CSSNAKIDQLSSDVQTLNAKVDQLSNDVNAMRSDVQAAKDDAARANQRLDNMATKYRK
    Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
  • 蛋白标签：
    N-terminal 6xHis-KSI-tagged
  • 产品提供形式：
    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.
  • 缓冲液：
    Tris-based buffer,50% glycerol
  • 储存条件：
    Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
  • 保质期：
    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.
  • 货期：
    3-7 business days
  • 注意事项：
    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.

产品评价

靶点详情

  • 功能：
    An outer membrane lipoprotein that controls the distance between the inner and outer membranes; adding residues to Lpp increases the width of the periplasm. The only protein known to be covalently linked to the peptidoglycan network (PGN). Also non-covalently binds the PGN. The link between the cell outer membrane and PGN contributes to the maintenance of the structural and functional integrity of the cell envelope, and maintains the correct distance between the PGN and the outer membrane. The most abundant cellular protein in terms of copy number, there can be up to one million Lpp molecules per cell. About one-third of Lpp is bound to the PGN (called bound or periplasmic) the rest is called free or transmembrane. The 'free' form can be surface labeled by membrane impermeable agents and so must cross the outer membrane; it is thought that this transmembrane form is still anchored in the inner leaflet of the outer membrane. Modeling suggests that non-covalent binding of OmpA (from the outer membrane) and TolR (from the inner membrane) to peptidoglycan maintains the position of the cell wall in the periplasm, holding it approximately equidistant from both the inner and outer membranes. Trimeric Lpp controls the width of the periplasm, adjusts its tilt angle to accommodate to the available space, and can compensate in part for an absence of OmpA (Probable). The role of the cell surface-exposed, free form (transmembrane) of Lpp is unknown.
  • 基因功能参考文献：
    1. Here, the s demonstrate that a mutant variant of an outer-membrane lipoprotein, Lpp(+Leu), can function as a novel allosteric effector that changes the dynamic range of DegP activity. PMID: 28923470
    2. From this work, the s conclude that outer membrane vesicles production can be driven by distinct Lpp concentration-dependent and Lpp concentration-independent pathways. PMID: 25528573
    3. The free and bound forms of Lpp are not largely associated with each other, but are found in distinct subcellular locations. PMID: 21219470
    4. The free form of Lpp is an integral outer membrane protein whose C-terminus is exposed on the cell surface. PMID: 21338414
    5. analysis of synthesis of cross-linked murein and its attachment to sacculi by PBP1A from Escherichia coli PMID: 16840781

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  • 亚细胞定位：
    Cell outer membrane; Lipid-anchor; Periplasmic side. Secreted, cell wall; Peptidoglycan-anchor. Cell outer membrane; Lipid-anchor; Extracellular side.
  • 蛋白家族：
    Lpp family
  • 数据库链接：

    KEGG: ecj:JW1667

    STRING: 316385.ECDH10B_1811