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  4. Recombinant Drosophila melanogaster E3 ubiquitin-protein ligase Topors (Topors), partial

Recombinant Drosophila melanogaster E3 ubiquitin-protein ligase Topors (Topors), partial

  • 中文名稱：
    黑腹果蠅Topors重組蛋白
  • 貨號：
    CSB-YP893719DLU
  • 說明書：
  • 規格：
  • 來源：
    Yeast
  • 其他：
  • 中文名稱：
    黑腹果蠅Topors重組蛋白
  • 貨號：
    CSB-EP893719DLU
  • 說明書：
  • 規格：
  • 來源：
    E.coli
  • 其他：
  • 中文名稱：
    黑腹果蠅Topors重組蛋白
  • 貨號：
    CSB-EP893719DLU-B
  • 說明書：
  • 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：
    黑腹果蠅Topors重組蛋白
  • 貨號：
    CSB-BP893719DLU
  • 說明書：
  • 規格：
  • 來源：
    Baculovirus
  • 其他：
  • 中文名稱：
    黑腹果蠅Topors重組蛋白
  • 貨號：
    CSB-MP893719DLU
  • 說明書：
  • 規格：
  • 來源：
    Mammalian cell
  • 其他：

產品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
    Topors
  • Uniprot No.：
  • 別名：
    Topors; CG15104; E3 ubiquitin-protein ligase Topors; EC 2.3.2.27; RING-type E3 ubiquitin transferase Topors; SUMO1-protein E3 ligase Topors; Topoisomerase I-binding RING finger protein; Topoisomerase I-binding arginine/serine-rich protein; dTopors
  • 種屬：
    Drosophila melanogaster (Fruit fly)
  • 蛋白長度：
    Partial
  • 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：
    Functions as a ubiquitin-protein E3 ligase. Negatively regulates the transcriptional repressor h/hairy by promoting its ubiquitination and subsequent degradation. Also directs the nuclear organization of the gypsy chromatin insulator. Chromatin insulators are regulatory elements which establish independent domains of transcriptional activity within eukaryotic genomes. Insulators have two defining properties; they can block the communication between an enhancer and a promoter when placed between them, and can also buffer transgenes from position effect variegation (PEV). Insulators are proposed to structure the chromatin fiber into independent domains of differing transcriptional potential by promoting the formation of distinct chromatin loops. This chromatin looping may require the formation of insulator bodies, where homotypic interactions between individual subunits of the insulator complex could promote the clustering of widely spaced insulators at the nuclear periphery. Within the gypsy insulator complex, this protein may promote formation of nuclear insulator bodies by recruiting individual insulator complexes to the nuclear lamina.
  • 基因功能參考文獻：
    1. dtopors plays a structural role in spermatocyte lamina that is critical for multiple aspects of meiotic chromosome transmission PMID: 21900273
    2. Drosophila Topors is a RING finger-containing protein that functions as a ubiquitin-protein isopeptide ligase for the hairy basic helix-loop-helix repressor protein PMID: 14871887
  • 亞細胞定位：
    Nucleus. Chromosome. Note=Colocalizes with the gypsy chromatin insulator complex on polytene chromosomes and to nuclear insulator bodies. Also localizes to the nuclear lamina.
  • 數據庫鏈接：

    KEGG: dme:Dmel_CG15104

    STRING: 7227.FBpp0304302

    UniGene: Dm.10778



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