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Recombinant Escherichia coli N utilization substance protein B (nusB)

  • 中文名稱:
    大腸桿菌nusB重組蛋白
  • 貨號:
    CSB-YP363966ENV
  • 規格:
  • 來源:
    Yeast
  • 其他:
  • 中文名稱:
    大腸桿菌nusB重組蛋白
  • 貨號:
    CSB-EP363966ENV
  • 規格:
  • 來源:
    E.coli
  • 其他:
  • 中文名稱:
    大腸桿菌nusB重組蛋白
  • 貨號:
    CSB-EP363966ENV-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:
    大腸桿菌nusB重組蛋白
  • 貨號:
    CSB-BP363966ENV
  • 規格:
  • 來源:
    Baculovirus
  • 其他:
  • 中文名稱:
    大腸桿菌nusB重組蛋白
  • 貨號:
    CSB-MP363966ENV
  • 規格:
  • 來源:
    Mammalian cell
  • 其他:

產品詳情

  • 純度:
    >85% (SDS-PAGE)
  • 基因名:
    nusB
  • Uniprot No.:
  • 別名:
    nusB; groNB; ssyB; b0416; JW0406; Transcription antitermination protein NusB; Antitermination factor NusB; N utilization substance protein B
  • 種屬:
    Escherichia coli (strain K12)
  • 蛋白長度:
    full length protein
  • 表達區域:
    1-139
  • 氨基酸序列
    MKPAARRRAR ECAVQALYSW QLSQNDIADV EYQFLAEQDV KDVDVLYFRE LLAGVATNTA YLDGLMKPYL SRLLEELGQV EKAVLRIALY ELSKRSDVPY KVAINEAIEL AKSFGAEDSH KFVNGVLDKA APVIRPNKK
  • 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:
    Part of the processive rRNA transcription and antitermination complex (rrnTAC). The complex forms an RNA-chaperone ring around the RNA exit tunnel of RNA polymerase (RNAP). It supports rapid transcription and antitermination of rRNA operons, cotranscriptional rRNA folding, and annealing of distal rRNA regions to allow correct ribosome biogenesis. Involved in transcription antitermination. Required for transcription of ribosomal RNA (rRNA) genes. Binds specifically to the boxA antiterminator sequence of the ribosomal RNA (rrn) operons. The affinity of NusB for the boxA RNA sequence is significantly increased in the presence of the ribosomal protein S10. NusB may serve as a loading factor that ensures efficient entry of S10 into the transcription complexes. It also modulates the rrn boxA-mediated transcription elongation rates.
  • 基因功能參考文獻:
    1. Conservation of putative NusB/E binding sites upstream of Nus factor genes suggests that Nus factor autoregulation occurs in many bacterial species. PMID: 29229908
    2. Authors propose that another major role for the Nus-modified transcription complex in rrn operons is as an RNA chaperone insuring co-ordination of 16S rRNA folding and RNase III processing that results in production of proper 30S ribosome subunits. PMID: 23190053
    3. Strains carrying either a nusA mutation or a nusB mutation have defects in transcription of 23S rRNA. PMID: 15716433
    4. NusB and NusE (S10) proteins binding to boxA RNA nucleates the formation of the antitermination complex involved in controlling rRNA transcription in Escherichia coli PMID: 16109710
  • 蛋白家族:
    NusB family
  • 數據庫鏈接:


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