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  4. Recombinant Escherichia coli Outer membrane protein F (ompF)

Recombinant Escherichia coli Outer membrane protein F (ompF)

  • 中文名稱：
    大腸桿菌ompF重組蛋白
  • 貨號：
    CSB-YP365808ENV
  • 規格：
  • 來源：
    Yeast
  • 其他：
  • 中文名稱：
    大腸桿菌ompF重組蛋白
  • 貨號：
    CSB-EP365808ENV-B
  • 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：
    大腸桿菌ompF重組蛋白
  • 貨號：
    CSB-BP365808ENV
  • 規格：
  • 來源：
    Baculovirus
  • 其他：
  • 中文名稱：
    大腸桿菌ompF重組蛋白
  • 貨號：
    CSB-MP365808ENV
  • 規格：
  • 來源：
    Mammalian cell
  • 其他：

產品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
    ompF
  • Uniprot No.：
  • 別名：
    ompF; cmlB; coa; cry; tolF; b0929; JW0912; Outer membrane porin F; Outer membrane protein 1A; Outer membrane protein B; Outer membrane protein F; Outer membrane protein IA; Porin OmpF
  • 種屬：
    Escherichia coli (strain K12)
  • 蛋白長度：
    Full Length of Mature Protein
  • 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
    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：
    Forms pores that allow passive diffusion of small molecules across the outer membrane.; (Microbial infection) It is also a receptor for the bacteriophage T2. Is the major receptor for colicin E5.; (Microbial infection) A mixed OmpC-OmpF heterotrimer is the outer membrane receptor for toxin CdiA-EC536; polymorphisms in extracellular loops 4 and 5 of OmpC confer susceptibility to CdiA-EC536-mediated toxicity.
  • 基因功能參考文獻：
    1. Trimeric porins, such as ompF, have specific lipopolysaccharide binding sites that are essential for porin biogenesis. PMID: 27493217
    2. Klebsiella pneumoniae OmpK35 and OmpK36 produced larger more permeable channels than their Escherichia coli homologs OmpF and OmpC. PMID: 27645385
    3. Two different centered monoclinic crystals of the E. coli outer-membrane protein OmpF originate from the same building block PMID: 26620074
    4. The site of lipopolysaccharide binding means that ColN will preferably bind at the interface and thus position itself close to the surface of its translocon component, OmpF. PMID: 24589252
    5. they studied how the bacteriocin colicin E9 (ColE9) assembles a cytotoxic translocon at the surface of Escherichia coli that incorporates the trimeric porin OmpF. PMID: 23812713
    6. Presence of ordered aliphatic chains close to a positively charged area on the porin surface suggests a position for a lipopolysaccharide binding site on the surface of the major E. coli porins. PMID: 22484237
    7. Data report the structure of the OmpF-OBS1 complex that shows the colicin bound within the porin lumen spanning the membrane bilayer. PMID: 21098297
    8. This D37V mutant expressed reduced cation selectivity, in agreement with the view that D37 in wild-type OmpF is fully ionized, i.e., deprotonated. PMID: 20521145
    9. HPA3P, an analogue of the antimicrobial peptide HP(2-20) isolated from the N-terminal region of the Helicobacter pylori ribosomal protein interacts with OmpF in a voltage- and concentration-dependent manner. PMID: 20180000
    10. These data suggest that OmpF plays a key role in the transportation of positively charged polypyridyl chlororuthenium complexes into E. coli. PMID: 20176402
    11. Separate pathways of anions and cations across the constriction zone of the OmpF pore. PMID: 19932117
    12. study shows that quite different factors account for the selectivity of large channels. The elucidation of these factors is essential for understanding large channel selectivity and its regulation in vivo. PMID: 19134471
    13. deletions of single extracellular loops affect pH sensitivity but not voltage dependence; study has provided some clues on the molecular determinants that underlie two major forms of modulation of OmpF porin activity by transmembrane voltage and acidic pH PMID: 15469993
    14. for the classical porins OmpF and OmpC, our results show that the Cpx envelope stress response system plays a role in regulating their expression PMID: 16077119
    15. OmpR allows distinct stepwise regulation of ompF and ompC transcription, which minimizes their overlapping expression upon changes in the medium osmolarity to achieve the reciprocal expression of ompF and ompC PMID: 16618701
    16. D127 is not a key residue in the control mechanism of the voltage-dependent gating of OmpF PMID: 16858566
    17. OmpF or OmpC can function in the translocon complex of the colicin E2 R-domain and its BtuB receptor PMID: 17548346
    18. Colicin is closely associated with the OmpF-lipid interface, providing evidence that this peripheral pathway may play a role in colicin transmembrane transport. PMID: 18334212
    19. The incremental electron density could be modelled as an extended poly-glycine peptide of at least seven residues. It overlapped the Mg2+ binding site obtained without T83, explaining the absence of peptide binding in the presence of Mg2+. PMID: 18636093

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  • 亞細胞定位：
    Cell outer membrane; Multi-pass membrane protein.
  • 蛋白家族：
    Gram-negative porin family
  • 數據庫鏈接：


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