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      Recombinant Human ATP-dependent RNA helicase DDX19B(DDX19B) (Active)

      • 貨號:
      • 規格:
      • 圖片:
        • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.

      • 其他:


      • 純度:
        Greater than 85% as determined by SDS-PAGE.
      • 生物活性:
        Measured by its binding ability in a functional ELISA. Immobilized LCN2 at 2 μg/ml can bind human DDX19B, the EC50 of human DDX19B protein is 17.71-23.15 μg/ml.
      • 基因名:
      • Uniprot No.:
      • 別名:
        ATP-dependent RNA helicase DDX19B; DBP5; Dbp5; yeast; homolog of; DD19B_HUMAN; DDX19; DDX19B; DEAD (Asp-Glu-Ala-Asp) box polypeptide 19B; DEAD box protein 19B; DEAD box RNA helicase DEAD5; DEAD-box protein 5; DEAD/H (Asp-Glu-Ala-Asp/His) box polypeptide 19 (Dbp5; yeast; homolog); DEAD/H BOX 19; helicase DEAD5; RNAh; TDBP; yeast Dbp5 homolog
      • 種屬:
        Homo sapiens (Human)
      • 蛋白長度:
        Full Length of Mature Protein
      • 來源:
      • 分子量:
        80.8 kDa
      • 表達區域:
      • 氨基酸序列
      • 蛋白標簽:
        N-terminal GST-tagged
      • 產品提供形式:
        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:
        Tris-based buffer,50% glycerol
      • 儲存條件:
        Store at -20°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:
        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.


      • 功能:
        ATP-dependent RNA helicase involved in mRNA export from the nucleus. Rather than unwinding RNA duplexes, DDX19B functions as a remodeler of ribonucleoprotein particles, whereby proteins bound to nuclear mRNA are dissociated and replaced by cytoplasmic mRNA binding proteins.
      • 基因功能參考文獻:
        1. These results imply that DBP5, GLE1 and IP6 have a conserved and individual function in the cytoplasmic mRNA expression. Variations in phenotype are due to the difference in each function of DBP5, GLE1 and IPPK in intracellular mRNA metabolism. PMID: 29746542
        2. DDX19 interacts with pre-termination complexes (preTCs) in a nucleotide-dependent manner. Furthermore, DDX19 increases the efficiency of termination complex (TC) formation and the peptide release in the presence of eukaryotic release factors. DDX19 also stabilizes ribosome complexes with translation elongation factors eEF1 and eEF2. PMID: 28180304
        3. Ddx19 is an RNA export factor required for nuclear import of the SRF coactivator MKL1 PMID: 25585691
        4. Dbp5, Gle1-IP6 and Nup159: a working model for mRNP export. PMID: 22064466
        5. identification and characterization of a gene coding a novel isoform PMID: 12219940
        6. Using in vitro assays, the authors demonstrate that NUP214 decreases both the RNA binding and ATPase activities of DBP5. PMID: 19219046
        7. Results describe the crystal structures of human DDX19, a DEXD/H-box protein, in its open and closed cleft conformations. PMID: 19244245



      • 亞細胞定位:
        Cytoplasm, Nucleus, nuclear pore complex, Nucleus membrane, Peripheral membrane protein, Cytoplasmic side
      • 蛋白家族:
        DEAD box helicase family, DDX19/DBP5 subfamily
      • 數據庫鏈接:

        HGNC: 2742

        OMIM: 605812

        KEGG: hsa:11269

        STRING: 9606.ENSP00000288071

        UniGene: Hs.221761