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  4. Recombinant Human Repressor of RNA polymerase III transcription MAF1 homolog (MAF1)

Recombinant Human Repressor of RNA polymerase III transcription MAF1 homolog (MAF1)

  • 中文名稱：
    人MAF1重組蛋白
  • 貨號：
    CSB-YP872421HU
  • 規格：
  • 來源：
    Yeast
  • 其他：
  • 中文名稱：
    人MAF1重組蛋白
  • 貨號：
    CSB-EP872421HU-B
  • 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：
    人MAF1重組蛋白
  • 貨號：
    CSB-BP872421HU
  • 規格：
  • 來源：
    Baculovirus
  • 其他：
  • 中文名稱：
    人MAF1重組蛋白
  • 貨號：
    CSB-MP872421HU
  • 規格：
  • 來源：
    Mammalian cell
  • 其他：

產品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
    MAF1
  • Uniprot No.：
  • 別名：
    Homolog of yeast MAF1; maf1; MAF1 homolog (S. cerevisiae); MAF1 homolog; MAF1_HUMAN; MGC20332; MGC31779; MGC39758; Repressor of RNA polymerase III transcription MAF1 homolog
  • 種屬：
    Homo sapiens (Human)
  • 蛋白長度：
    full length protein
  • 表達區域：
    1-256
  • 氨基酸序列
    MKLLENSSFE AINSQLTVET GDAHIIGRIE SYSCKMAGDD KHMFKQFCQE GQPHVLEALS PPQTSGLSPS RLSKSQGGEE EGPLSDKCSR KTLFYLIATL NESFRPDYDF STARSHEFSR EPSLSWVVNA VNCSLFSAVR EDFKDLKPQL WNAVDEEICL AECDIYSYNP DLDSDPFGED GSLWSFNYFF YNKRLKRIVF FSCRSISGST YTPSEAGNEL DMELGEEEVE EESRSGGSGA EETSTMEEDR VPVICI
  • 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：
    Plays a role in the repression of RNA polymerase III-mediated transcription in response to changing nutritional, environmental and cellular stress conditions to balance the production of highly abundant tRNAs, 5S rRNA, and other small non-coding RNAs with cell growth and maintenance. Plays also a key role in cell fate determination by promoting mesorderm induction and adipocyte differentiation. Mechanistically, associates with the RNA polymerase III clamp and thereby impairs its recruitment to the complex made of the promoter DNA, TBP and the initiation factor TFIIIB. When nutrients are available and mTOR kinase is active, MAF1 is hyperphosphorylated and RNA polymerase III is engaged in transcription. Stress-induced MAF1 dephosphorylation results in nuclear localization, increased targeting of gene-bound RNA polymerase III and a decrease in the transcriptional readout. Additionally, may also regulate RNA polymerase I and RNA polymerase II-dependent transcription through its ability to regulate expression of the central initiation factor TBP.
  • 基因功能參考文獻：
    1. can act as a transcriptional activator for PTEN, which is important for MAF1's tumor-suppressor function PMID: 26910647
    2. Repression of Pol III recruitment and transcription are tightly linked to MAF1, which selectively localizes at Pol III loci, even under serum-replete conditions, and increasingly targets transcribing Pol III in response to serum starvation PMID: 26941251
    3. These results reveal a novel mechanism by which MAF1 and Pol III regulate the activity of the CDKN1A-encoding gene transcribed by Pol II. PMID: 26067234
    4. novel role for Maf1 in suppressing both lipid biogenesis and tumor formation; Maf1 elicits these biological responses through its ability to repress genes that that synthesize lipids and regulate biosynthetic capacity. PMID: 25502566
    5. Studies on Maf1 regulation up until now have focused on posttranslational mechanisms, notably phosphorylation, which controls Maf1 localization (in yeast) and its interaction with the polymerase (in yeast and humans) PMID: 25568945
    6. SUMOylation has a role in controlling Maf1 and RNA pol III-mediated transcription PMID: 23673667
    7. Recovery of RNA polymerase III transcription from the glycerol-repressed state: revisiting the role of protein kinase CK2 in Maf1 phosphoregulation. PMID: 22810236
    8. The TOR pathway controls another aspect of Pol III transcription that is closely linked to MAF1, as it depends on the presence of MAF1. PMID: 21428925
    9. an important role of CK2-mediated Maf1 phosphorylation in triggering Pol III activation. PMID: 21383183
    10. Data relate Pol III transcription inhibition to Maf1 structural changes. PMID: 20817737
    11. Maf1, a repressor that binds and inhibits pol III, is phosphorylated in a mTOR-dependent manner both in vitro and in vivo at serine 75, a site that contributes to its function as a transcriptional inhibitor. PMID: 20543138
    12. mTOR inhibition led to an increase in the occupancy of Maf1 on a set of Pol III-dependent genes, with concomitant reduction in the binding of Pol III and Brf1 PMID: 20233713
    13. Maf1 can be co-immunoprecipitated with pol III and associates in vitro with two pol III subunits, the largest subunit RPC1 and the alpha-like subunit RPAC2. Maf1 represses pol III transcription in vitro and in vivo. PMID: 17205138
    14. The human Maf1 protein negatively regulates transcription by all three nuclear Pols. Changes in Maf1 expression affect Pol I- and Pol III-dependent transcription in human glioblastoma lines. PMID: 17499043
    15. represses RNA polymerase III transcription via TFIIIB, specifically through the TFIIB family members Brf1 and Brf2 PMID: 17505538
    16. Functional studies of the yeast counterpart. PMID: 11438659

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  • 亞細胞定位：
    Nucleus. Cytoplasm.
  • 蛋白家族：
    MAF1 family
  • 數據庫鏈接：

    HGNC: 24966

    OMIM: 610210

    KEGG: hsa:84232

    STRING: 9606.ENSP00000318604

    UniGene: Hs.19673



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