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  4. Recombinant Escherichia coli Integration host factor subunit alpha (ihfA)

Recombinant Escherichia coli Integration host factor subunit alpha (ihfA)

  • 中文名稱：
    大腸桿菌ihfA重組蛋白
  • 貨號(hào)：
    CSB-YP358889ENV
  • 規(guī)格：
  • 來(lái)源：
    Yeast
  • 其他：
  • 中文名稱：
    大腸桿菌ihfA重組蛋白
  • 貨號(hào)：
    CSB-EP358889ENV-B
  • 規(guī)格：
  • 來(lái)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ihfA重組蛋白
  • 貨號(hào)：
    CSB-BP358889ENV
  • 規(guī)格：
  • 來(lái)源：
    Baculovirus
  • 其他：
  • 中文名稱：
    大腸桿菌ihfA重組蛋白
  • 貨號(hào)：
    CSB-MP358889ENV
  • 規(guī)格：
  • 來(lái)源：
    Mammalian cell
  • 其他：

產(chǎn)品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
    ihfA
  • Uniprot No.：
  • 別名：
    ihfA; hid; himA; b1712; JW1702Integration host factor subunit alpha; IHF-alpha
  • 種屬：
    Escherichia coli (strain K12)
  • 蛋白長(zhǎng)度：
    Full Length of Mature Protein
  • 表達(dá)區(qū)域：
    2-99
  • 氨基酸序列
    ALTKAEMSE YLFDKLGLSK RDAKELVELF FEEIRRALEN GEQVKLSGFG NFDLRDKNQR PGRNPKTGED IPITARRVVT FRPGQKLKSR VENASPKDE
  • 蛋白標(biāo)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
    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(chǔ)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(xiàng)：
    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(píng)價(jià)

靶點(diǎn)詳情

  • 功能：
    One of the 2 subunits of integration host factor (IHF), a specific DNA-binding protein that functions in genetic recombination as well as in transcriptional and translational control. Binds to hundreds of transcriptionally inactive, AT-rich DNA sites, approximately half its binding sites are in non-coding DNA, which only accounts for about 10% of the genome.; Plays a crucial role in the lysogenic life cycle of bacteriophage lambda, as it is required not only in the recombination reaction, which inserts lambda DNA into the E.coli chromosome, but also for the synthesis of int and cI repressor, two phage proteins necessary for DNA insertion and repression, respectively. The synthesis of int and cI proteins is regulated indirectly by IHF via translational control of the lambda cII protein.; Has an essential role in conjugative DNA transfer (CDT), the unidirectional transfer of ssDNA plasmid from a donor to a recipient cell. It is the central mechanism by which antibiotic resistance and virulence factors are propagated in bacterial populations. Part of the relaxosome, which facilitates a site- and strand-specific cut in the origin of transfer by TraI, at the nic site. Relaxosome formation requires binding of IHF and TraY to the oriT region, which then facilitates binding of TraI.
  • 基因功能參考文獻(xiàn)：
    1. Cas1-Cas2-mediated spacer integration requires IHF-induced target DNA bending and explain the elusive role of CRISPR leader sequences during spacer acquisition and immunologic memory. PMID: 27211867
    2. Asymmetric positioning of Cas1-Cas2 complex and Integration Host Factor induced DNA bending guide the unidirectional homing of protospacer in CRISPR-Cas type I-E system. PMID: 27899566
    3. Data show that environment dependent selection between integration host factors (IHF) and DNA-binding proteins from starved cells (Dps) results in different physical organizations of DNA. PMID: 26657062
    4. These results indicate that by combined transcriptional and translational controls of gene expression, Integration host factor activates expression of a specific set of genes required for survival at extremely acidic pH. PMID: 24816374
    5. Authors found that, although oligomers were assembled in the absence of any individual high-affinity DnaA binding site, loss of DnaA binding at peripheral sites eliminated Fis repression, and made binding of both Fis and IHF essential. PMID: 24443848
    6. EcpR-mediated activation is aided by integration host factor (IHF), which is essential for counteracting the repression exerted by histone-like nucleoid-structuring protein (H-NS) on the ecp promoter. PMID: 22797761
    7. By performing ChIP-seq experiments of each subunit of IHF in the absence of the other subunit, genome-wide maps of DNA binding of the proteins in their hetero- and homodimeric forms were defined. PMID: 22180530
    8. analysis of the role of DNA deformation energy in sequence-specific DNA binding by Escherichia coli integration host factor PMID: 17035240
    9. In the absence of TrwA, binding of integration host factor (IHF) to the oriT keeps the recombination levels low PMID: 17921309
    10. A common function of IHF and HU in bacterial cells is to facilitate DNA organization in the nucleoid by the introduction of sharp bends in chromosomal DNA. PMID: 19132923
    11. Activity of TraI was enhanced by the relaxosome components TraM and integration host factor(ihfA and ihfB). The magnitude of stimulation depended on the proximity of the specific protein binding sites to the position of open DNA. PMID: 19767439

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  • 亞細(xì)胞定位：
    Cytoplasm, nucleoid.
  • 蛋白家族：
    Bacterial histone-like protein family
  • 數(shù)據(jù)庫(kù)鏈接：


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