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  4. Recombinant Human La-related protein 7 (LARP7)

Recombinant Human La-related protein 7 (LARP7)

  • 中文名稱：
    人LARP7重組蛋白
  • 貨號：
    CSB-YP672326HU
  • 規格：
  • 來源：
    Yeast
  • 其他：
  • 中文名稱：
    人LARP7重組蛋白
  • 貨號：
    CSB-EP672326HU
  • 規格：
  • 來源：
    E.coli
  • 其他：
  • 中文名稱：
    人LARP7重組蛋白
  • 貨號：
    CSB-EP672326HU-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LARP7重組蛋白
  • 貨號：
    CSB-BP672326HU
  • 規格：
  • 來源：
    Baculovirus
  • 其他：
  • 中文名稱：
    人LARP7重組蛋白
  • 貨號：
    CSB-MP672326HU
  • 規格：
  • 來源：
    Mammalian cell
  • 其他：

產品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
  • Uniprot No.：
  • 別名：
    DKFZp564K112; HDCMA18P; La related protein 7; La ribonucleoprotein domain family member 7; La ribonucleoprotein domain family member 7; La-related protein 7; LARP 7; larp7; LARP7_HUMAN; MGC104360; P TEFb interaction protein for 7SK stability; P-TEFb-interaction protein for 7SK stability; PIP7S
  • 種屬：
    Homo sapiens (Human)
  • 蛋白長度：
    full length protein
  • 表達區域：
    1-582
  • 氨基酸序列
    METESGNQEK VMEEESTEKK KEVEKKKRSR VKQVLADIAK QVDFWFGDAN LHKDRFLREQ IEKSRDGYVD ISLLVSFNKM KKLTTDGKLI ARALRSSAVV ELDLEGTRIR RKKPLGERPK DEDERTVYVE LLPKNVNHSW IERVFGKCGN VVYISIPHYK STGDPKGFAF VEFETKEQAA KAIEFLNNPP EEAPRKPGIF PKTVKNKPIP ALRVVEEKKK KKKKKGRMKK EDNIQAKEEN MDTSNTSISK MKRSRPTSEG SDIESTEPQK QCSKKKKKRD RVEASSLPEV RTGKRKRSSS EDAESLAPRS KVKKIIQKDI IKEASEASKE NRDIEISTEE EKDTGDLKDS SLLKTKRKHK KKHKERHKMG EEVIPLRVLS KSEWMDLKKE YLALQKASMA SLKKTISQIK SESEMETDSG VPQNTGMKNE KTANREECRT QEKVNATGPQ FVSGVIVKII STEPLPGRKQ VRDTLAAISE VLYVDLLEGD TECHARFKTP EDAQAVINAY TEINKKHCWK LEILSGDHEQ RYWQKILVDR QAKLNQPREK KRGTEKLITK AEKIRLAKTQ QASKHIRFSE YD
  • 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：
    RNA-binding protein that specifically binds distinct small nuclear RNA (snRNAs) and regulates their processing and function. Specifically binds the 7SK snRNA (7SK RNA) and acts as a core component of the 7SK ribonucleoprotein (RNP) complex, thereby acting as a negative regulator of transcription elongation by RNA polymerase II. The 7SK RNP complex sequesters the positive transcription elongation factor b (P-TEFb) in a large inactive 7SK RNP complex preventing RNA polymerase II phosphorylation and subsequent transcriptional elongation. The 7SK RNP complex also promotes snRNA gene transcription by RNA polymerase II via interaction with the little elongation complex (LEC). LARP7 specifically binds to the highly conserved 3'-terminal U-rich stretch of 7SK RNA; on stimulation, remains associated with 7SK RNA, whereas P-TEFb is released from the complex. LARP7 also acts as a regulator of mRNA splicing fidelity by promoting U6 snRNA processing. Specifically binds U6 snRNAs and associates with a subset of box C/D RNP complexes: promotes U6 snRNA 2'-O-methylation by facilitating U6 snRNA loading into box C/D RNP complexes. U6 snRNA 2'-O-methylation is required for mRNA splicing fidelity. Binds U6 snRNAs with a 5'-CAGGG-3' sequence motif. U6 snRNA processing is required for spermatogenesis.
  • 基因功能參考文獻：
    1. LARP7 may have inhibited the proliferation and increased the radioiodine uptake of PTC cells by regulating the SHH signaling pathway. PMID: 29620212
    2. a structural model for Larp7 binding to the 7SK 3' end and mechanism for 7SK RNP assembly. This work provides insight into how this domain contributes to 7SK recognition and assembly of the core 7SK RNP. PMID: 29946027
    3. LARP7 knockdown induces progressive time-dependent telomere shortening concomitant with a reduction in telomerase enzymatic activity and a decrease in full-length (catalytically active) TERT mRNA in vitro, and that humans with LARP7 deficiency display dramatically short telomeres, borderline anemia in younger generations, and anticipation consistent with a telomeropathy. PMID: 27766953
    4. The 7SK small nuclear RNP (snRNP), composed of the 7SK small nuclear RNA (snRNA), MePCE, and Larp7, also functions as a canonical transcription factor that, in collaboration with the little elongation complex (LEC) comprising ELL, Ice1, Ice2, and ZC3H8, promotes transcription of RNAPII-specific spliceosomal snRNA and small nucleolar RNA (snoRNA) genes. PMID: 28254838
    5. protein HEXIM with 7SKsnRNP complex comprising the non-coding RNA 7SK and proteins MePCE and LARP7. PMID: 25863285
    6. results suggest that LARP7 uses both its N- and C-terminal domains to stabilize 7SK in a closed structure, which forms by joining conserved sequences at the 5'-end with the foot of the 3' hairpin and has thus functional implications PMID: 25753663
    7. LARP7 suppresses P-TEFb activity to inhibit breast cancer progression and metastasis. PMID: 25053741
    8. LARP7 is most likely recruited to the HIV-1 promoter in the presence of hnRNP A1. PMID: 24607481
    9. The results demonstrate that the La modules of the human LARP7 is also active in tRNA-mediated suppression, even in the absence of stable UUU-3'OH trailer protection. PMID: 23887937
    10. Mediator MED23 regulates basal transcription in vivo via an interaction with P-TEFb. PMID: 23340209
    11. Loss of function mutation in LARP7, chaperone of 7SK ncRNA, causes a syndrome of facial dysmorphism, intellectual disability, and primordial dwarfism PMID: 22865833
    12. LARP7 downregulation occurs early during gastric tumorigenesis and may promote gastric tumorigenesis via p-TEFb dysregulation. PMID: 22488152
    13. 7SK RNA thus establishes gene-dependent plasticity between HMGA1 chromatin remodeling and transcription initiation and P-TEFb transcription elongation. PMID: 21957495
    14. A combination of restrictive chromatin structures at the HIV long terminal repeat and limiting P-TEFb levels contribute to transcriptional silencing leading to latency in primary CD4(+) T cells. PMID: 20410271
    15. Results identify PIP7S as a La-related protein stably associated with and required for 7SK snRNP integrity. PMID: 18249148
    16. Results indicate LARP7 is a 7SK-binding protein. PMID: 18281698
    17. Results suggest that LARP7 is a negative transcriptional regulator of polymerase II genes, acting by means of the 7SK RNP system. PMID: 18483487

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  • 相關疾病：
    Alazami syndrome (ALAZS)
  • 亞細胞定位：
    Nucleus, nucleoplasm.
  • 數據庫鏈接：

    HGNC: 24912

    OMIM: 612026

    KEGG: hsa:51574

    STRING: 9606.ENSP00000314311

    UniGene: Hs.713663



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