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Recombinant Human Transcription elongation factor SPT4 (SUPT4H1)

  • 中文名稱:
    人SUPT4H1重組蛋白
  • 貨號:
    CSB-EP022957HU
  • 規(guī)格:
    ¥1836
  • 圖片:
    • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
  • 其他:

產(chǎn)品詳情

  • 純度:
    Greater than 90% as determined by SDS-PAGE.
  • 基因名:
    SUPT4H1
  • Uniprot No.:
  • 別名:
    DRB sensitivity-inducing factor 14 kDa subunit; DRB sensitivity-inducing factor small subunit; DSIF p14; DSIF small subunit; hSPT4; SPT4; SPT4H; SPT4H_HUMAN; SUPT4H `1; SUPT4H; Supt4h1; Transcription elongation factor spt4
  • 種屬:
    Homo sapiens (Human)
  • 蛋白長度:
    Full Length
  • 來源:
    E.coli
  • 分子量:
    40.1kDa
  • 表達區(qū)域:
    1-117aa
  • 氨基酸序列
    ALETVPKDLRHLRACLLCSLVKTIDQFEYDGCDNCDAYLQMKGNREMVYDCTSSSFDGIIAMMSPEDSWVSKWQRVSNFKPGVYAVSVTGRLPQGIVRELKSRGVAYKSRDTAIKT
    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(biāo)簽:
    N-terminal GST-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:
    Basically, we can dispatch the products out in 1-3 working days after receiving your orders. 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 & COA:
    Please contact us to get it.

產(chǎn)品評價

靶點詳情

  • 功能:
    Component of the DRB sensitivity-inducing factor complex (DSIF complex), which regulates mRNA processing and transcription elongation by RNA polymerase II. DSIF positively regulates mRNA capping by stimulating the mRNA guanylyltransferase activity of RNGTT/CAP1A. DSIF also acts cooperatively with the negative elongation factor complex (NELF complex) to enhance transcriptional pausing at sites proximal to the promoter. Transcriptional pausing may facilitate the assembly of an elongation competent RNA polymerase II complex. DSIF and NELF promote pausing by inhibition of the transcription elongation factor TFIIS/S-II. TFIIS/S-II binds to RNA polymerase II at transcription pause sites and stimulates the weak intrinsic nuclease activity of the enzyme. Cleavage of blocked transcripts by RNA polymerase II promotes the resumption of transcription from the new 3' terminus and may allow repeated attempts at transcription through natural pause sites. DSIF can also positively regulate transcriptional elongation and is required for the efficient activation of transcriptional elongation by the HIV-1 nuclear transcriptional activator, Tat. DSIF acts to suppress transcriptional pausing in transcripts derived from the HIV-1 LTR and blocks premature release of HIV-1 transcripts at terminator sequences.
  • 基因功能參考文獻:
    1. Chimeric transcript resulting from the fusion of RNF43 and SUPT4H1 was found to occur frequently in primary colorectal carcinoma. PMID: 27461012
    2. Knockdown of SUPT4H1, the human Spt4 ortholog, similarly decreased production of sense and antisense RNA foci, as well as dipeptide repeat proteins, in patient cells. PMID: 27516603
    3. crystal structure of hSpt4 in complex with the dimerization region of hSpt5 PMID: 19860741
    4. Upon induction of NF-kappaB, a subset of target genes is regulated differentially by either P-TEFb or DSIF.[P-TEFb, DSIF] PMID: 17502349
    5. These findings reveal a dynamic regulation of DSIF involving either E-box or NF-kappaB depending on the physiological circumstances. PMID: 17962196
    6. Spt4 was purified and characterized. PMID: 18373978
    7. These results suggest that one of the functions of Spt5 is to suppress senescence and apoptosis, and that this function is exerted through its association with Spt4 and Pol II. PMID: 19210550
    8. he Paf1 complex (Paf1C) and Tat-SF1, two factors implicated previously in elongation control, collaborate with DSIF to facilitate efficient elongation PMID: 19952111

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  • 亞細(xì)胞定位:
    Nucleus.
  • 蛋白家族:
    SPT4 family
  • 組織特異性:
    Widely expressed.
  • 數(shù)據(jù)庫鏈接:

    HGNC: 11467

    OMIM: 603555

    KEGG: hsa:6827

    STRING: 9606.ENSP00000225504

    UniGene: Hs.439481



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