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Recombinant Human AF4/FMR2 family member 4 (AFF4), partial

  • 中文名稱:
    Recombinant Human AF4/FMR2 family member 4(AFF4) ,partial
  • 貨號(hào):
    CSB-YP890687HU
  • 規(guī)格:
  • 來源:
    Yeast
  • 其他:
  • 中文名稱:
    Recombinant Human AF4/FMR2 family member 4(AFF4) ,partial
  • 貨號(hào):
    CSB-EP890687HU
  • 規(guī)格:
  • 來源:
    E.coli
  • 其他:
  • 中文名稱:
    Recombinant Human AF4/FMR2 family member 4(AFF4) ,partial
  • 貨號(hào):
    CSB-EP890687HU-B
  • 規(guī)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:
    Recombinant Human AF4/FMR2 family member 4(AFF4) ,partial
  • 貨號(hào):
    CSB-BP890687HU
  • 規(guī)格:
  • 來源:
    Baculovirus
  • 其他:
  • 中文名稱:
    Recombinant Human AF4/FMR2 family member 4(AFF4) ,partial
  • 貨號(hào):
    CSB-MP890687HU
  • 規(guī)格:
  • 來源:
    Mammalian cell
  • 其他:

產(chǎn)品詳情

  • 純度:
    >85% (SDS-PAGE)
  • 基因名:
    AFF4
  • Uniprot No.:
  • 別名:
    AFF4; AF5Q31; MCEF; HSPC092; AF4/FMR2 family member 4; ALL1-fused gene from chromosome 5q31 protein; Protein AF-5q31; Major CDK9 elongation factor-associated protein
  • 種屬:
    Homo sapiens (Human)
  • 蛋白長度:
    Partial
  • 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)品評價(jià)

靶點(diǎn)詳情

  • 功能:
    Key component of the super elongation complex (SEC), a complex required to increase the catalytic rate of RNA polymerase II transcription by suppressing transient pausing by the polymerase at multiple sites along the DNA. In the SEC complex, AFF4 acts as a central scaffold that recruits other factors through direct interactions with ELL proteins (ELL, ELL2 or ELL3) and the P-TEFb complex. In case of infection by HIV-1 virus, the SEC complex is recruited by the viral Tat protein to stimulate viral gene expression.
  • 基因功能參考文獻(xiàn):
    1. The TAR central loop contacts the CycT1 Tat-TAR recognition motif (TRM) and the second Tat Zn(2+)-binding loop. Hydrogen-deuterium exchange (HDX) shows that AFF4 helix 2 is stabilized in the TAR complex despite not touching the RNA, explaining how it enhances TAR binding to the SEC 50-fold. PMID: 27731797
    2. AFF4 is positioned to make unexpected direct contacts with HIV Tat, and Tat enhances P-TEFb/CCNT1 affinity for AFF4. PMID: 23471103
    3. missense mutations in AFF4 in three unrelated probands with a new syndrome that phenotypically overlaps Cornelia de Lange syndrome (CdLS) that was named CHOPS syndrome (C for cognitive impairment and coarse facies, H for heart defects, O for obesity, P for pulmonary involvement and S for short stature and skeletal dysplasia) PMID: 25730767
    4. HIV-1 Tat recruits transcription elongation factors dispersed along a flexible AFF4 scaffold. PMID: 23251033
    5. overexpression of AFF2/3/4 interferes with the organization and/or biogenesis of nuclear speckles. PMID: 21330300
    6. Through the bridging functions of Tat and AFF4, P-TEFb and ELL2 combine to form a bifunctional elongation complex that greatly activates HIV-1 transcription. PMID: 20471948
    7. AFF4 is required for super elongation complex stability and proper transcription by poised RNA polymerase II. PMID: 20159561
    8. MCEF has 21 exons & 7 nuclear localization sequence. 3 protein sequences, coded by 3 exons, mediate nuclear localization. Ectopic expression of MCEF repressed HIV-1 LTR-directed RNA polymerase II transcription, at the level of Tat-transactivation. PMID: 17389929
    9. Data describe the cloning and expression of MCEF, a member of the AF4 family of transcription factors involved in acute lymphoblastic leukemia. [MCEF] PMID: 12065898

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  • 相關(guān)疾病:
    CHOPS syndrome (CHOPS)
  • 亞細(xì)胞定位:
    Nucleus.
  • 蛋白家族:
    AF4 family
  • 組織特異性:
    Ubiquitously expressed. Strongly expressed in heart, placenta, skeletal muscle, pancreas and to a lower extent in brain.
  • 數(shù)據(jù)庫鏈接:

    HGNC: 17869

    OMIM: 604417

    KEGG: hsa:27125

    STRING: 9606.ENSP00000265343

    UniGene: Hs.519313



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