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  4. Recombinant Saccharomyces cerevisiae Regulatory protein SIR4 (SIR4), partial

Recombinant Saccharomyces cerevisiae Regulatory protein SIR4 (SIR4), partial

  • 中文名稱：
    釀酒酵母SIR4重組蛋白
  • 貨號：
    CSB-YP320924SVG
  • 規(guī)格：
  • 來源：
    Yeast
  • 其他：
  • 中文名稱：
    釀酒酵母SIR4重組蛋白
  • 貨號：
    CSB-EP320924SVG
  • 規(guī)格：
  • 來源：
    E.coli
  • 其他：
  • 中文名稱：
    釀酒酵母SIR4重組蛋白
  • 貨號：
    CSB-EP320924SVG-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：
    釀酒酵母SIR4重組蛋白
  • 貨號：
    CSB-BP320924SVG
  • 規(guī)格：
  • 來源：
    Baculovirus
  • 其他：
  • 中文名稱：
    釀酒酵母SIR4重組蛋白
  • 貨號：
    CSB-MP320924SVG
  • 規(guī)格：
  • 來源：
    Mammalian cell
  • 其他：

產品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
    SIR4
  • Uniprot No.：
  • 別名：
    SIR4; ASD1; STE9; UTH2; YDR227W; YD9934.12; Regulatory protein SIR4; Silent information regulator 4
  • 種屬：
    Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
  • 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：
    The proteins SIR1 through SIR4 are required for transcriptional repression of the silent mating type loci, HML and HMR. The proteins SIR2 through SIR4 repress mulitple loci by modulating chromatin structure. Involves the compaction of chromatin fiber into a more condensed form.
  • 基因功能參考文獻：
    1. the silencing factor Sir4, NE-associated Esc1, the SUMO E3 ligase Siz2, and the nuclear pore complex (NPC) protein Nup170-physically and functionally interact with one another and a subset of NPC components (nucleoporins or Nups). PMID: 28883038
    2. data support a model whereby the demethylation of histone H3 K79 and changes in Sir4 abundance and availability define two rate-limiting steps that regulate de novo assembly of heterochromatin PMID: 26587833
    3. The authors show that Sir4 - a previously identified Ku-binding protein that is a component of telomeric silent chromatin - is required for Ku-mediated telomere lengthening and telomerase recruitment. PMID: 26218225
    4. These results demonstrate that the SCF(Dia2) complex is involved in transcriptional silencing, ubiquitylates Sir4, and regulates transcriptional silencing during the cell cycle. PMID: 22844255
    5. Sir4 N-terminus plays two roles in SIR-mediated silencing: it contributes to epigenetic repression by stabilizing the SIR-mediated protection of linker DNA; and, as a target of phosphorylation, it can destabilize silencing in a regulated manner. PMID: 22654676
    6. Elongator mutants influence telomeric gene silencing by impairing efficient expression of SIR4. PMID: 21912530
    7. Sir4(PAD)-mediated tethering requires either the Ku complex or Esc1, an acidic protein that is localized to the inner face of the nuclear envelope even in the absence of Ku, Sir4 or Nup133 PMID: 15014445
    8. Results suggest that the telomeric component Sir4p interact genetically and physically with GSP1 and together they regulate proper telomeric function in yeast. PMID: 16956377

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  • 亞細胞定位：
    Nucleus.
  • 數(shù)據(jù)庫鏈接：

    KEGG: sce:YDR227W

    STRING: 4932.YDR227W



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