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  4. Recombinant Rat Serine/threonine-protein kinase Chk1 (Chek1)

Recombinant Rat Serine/threonine-protein kinase Chk1 (Chek1)

  • 中文名稱：
    Recombinant Rat Serine/threonine-protein kinase Chk1(Chek1)
  • 貨號：
    CSB-YP846015RA
  • 規格：
  • 來源：
    Yeast
  • 其他：
  • 中文名稱：
    Recombinant Rat Serine/threonine-protein kinase Chk1(Chek1)
  • 貨號：
    CSB-EP846015RA-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：
    Recombinant Rat Serine/threonine-protein kinase Chk1(Chek1)
  • 貨號：
    CSB-MP846015RA
  • 規格：
  • 來源：
    Mammalian cell
  • 其他：

產品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
  • Uniprot No.：
  • 別名：
    Chek1; Chk1; Serine/threonine-protein kinase Chk1; EC 2.7.11.1; CHK1 checkpoint homolog; Checkpoint kinase-1
  • 種屬：
    Rattus norvegicus (Rat)
  • 蛋白長度：
    full length protein
  • 表達區域：
    1-476
  • 氨基酸序列
    MAVPFVEDWD LVQTLGEGAY GEVQLAVNRI TEEAVAVKIV DMKRAIDCPE NIKKEICINK MLNHENVVKF YGHRREGNIQ YLFLEYCSGG ELFDRIEPDI GMPEQDAQRF FHQLMAGVVY LHGIGITHRD IKPENLLLDE RDNLKISDFG LATVFRHNNR ERLLNKMCGT LPYVAPELLK RKEFHAEPVD VWSCGIVLTA MLAGELPWDQ PSDSCQEYSD WKEKKTYLNP WKKIDSAPLA LLHKILVENP SARITIPDIK KDRWYNKPLN RGAKRPRATS GGMSESSSGF SKHIHSNLDF SPINSGSSEE NVKFSSSQPE PRTGLSLWDT GPSNVDKLVQ GISFSQPTCP DHMLVNSQLL GTPGSSQNPW QRLVKRMTRF FTKLDADKSY QCLKETFEKL GYQWKKSCMN QVTVSTMDRR NNKLIFKINL VEMDEKILVD FRLSKGDGLE FKRHFLKIKG KLSDIVSSQK VWFPVT
  • 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：
    Serine/threonine-protein kinase which is required for checkpoint-mediated cell cycle arrest and activation of DNA repair in response to the presence of DNA damage or unreplicated DNA. May also negatively regulate cell cycle progression during unperturbed cell cycles. This regulation is achieved by a number of mechanisms that together help to preserve the integrity of the genome. Recognizes the substrate consensus sequence [R-X-X-S/T]. Binds to and phosphorylates CDC25A, CDC25B and CDC25C. Phosphorylation of CDC25A at 'Ser-178' and 'Thr-507' and phosphorylation of CDC25C at 'Ser-216' creates binding sites for 14-3-3 proteins which inhibit CDC25A and CDC25C. Phosphorylation of CDC25A at 'Ser-76', 'Ser-124', 'Ser-178', 'Ser-279' and 'Ser-293' promotes proteolysis of CDC25A. Phosphorylation of CDC25A at 'Ser-76' primes the protein for subsequent phosphorylation at 'Ser-79', 'Ser-82' and 'Ser-88' by NEK11, which is required for polyubiquitination and degradation of CDCD25A. Inhibition of CDC25 leads to increased inhibitory tyrosine phosphorylation of CDK-cyclin complexes and blocks cell cycle progression. Also phosphorylates NEK6. Binds to and phosphorylates RAD51 at 'Thr-309', which promotes the release of RAD51 from BRCA2 and enhances the association of RAD51 with chromatin, thereby promoting DNA repair by homologous recombination. Phosphorylates multiple sites within the C-terminus of TP53, which promotes activation of TP53 by acetylation and promotes cell cycle arrest and suppression of cellular proliferation. Also promotes repair of DNA cross-links through phosphorylation of FANCE. Binds to and phosphorylates TLK1 at 'Ser-743', which prevents the TLK1-dependent phosphorylation of the chromatin assembly factor ASF1A. This may enhance chromatin assembly both in the presence or absence of DNA damage. May also play a role in replication fork maintenance through regulation of PCNA. May regulate the transcription of genes that regulate cell-cycle progression through the phosphorylation of histones. Phosphorylates histone H3.1 (to form H3T11ph), which leads to epigenetic inhibition of a subset of genes. May also phosphorylate RB1 to promote its interaction with the E2F family of transcription factors and subsequent cell cycle arrest. Phosphorylates SPRTN, promoting SPRTN recruitment to chromatin. Reduces replication stress and activates the G2/M checkpoint, by phosphorylating and inactivating PABIR1/FAM122A and promoting the serine/threonine-protein phosphatase 2A-mediated dephosphorylation and stabilization of WEE1 levels and activity.
  • 基因功能參考文獻：
    1. Chaperone-mediated autophagy, in response to genotoxic stress, is regulated by degradation of activated Chk1. PMID: 25880015
    2. Chk1 plays a role in regulating RALT protein stability by facilitating the interaction between 14-3-3 and RALT. PMID: 23432726
    3. Chk1 is essential for neuronal survival, and perturbation of this pathway increases a cell's sensitivity to naturally accumulating DNA damage. PMID: 21336968
    4. Akt prevents the translocation of BRCA1 to DNA damage foci and, thereby, inhibits the activation of Chk1 following DNA damage PMID: 20495005
    5. CHK1 is involved in affecting microtubule dynamics and could be inhibited for taxotere sensitization in CHK1 highly expressed tumor cells. PMID: 15389625

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  • 亞細胞定位：
    Nucleus. Chromosome. Cytoplasm. Cytoplasm, cytoskeleton, microtubule organizing center, centrosome.
  • 蛋白家族：
    Protein kinase superfamily, CAMK Ser/Thr protein kinase family, NIM1 subfamily
  • 組織特異性：
    [Isoform 1]: Expressed in brain, heart, liver, lung, skeletal muscle, spleen and testis.; [Isoform 2]: Expressed only in liver.
  • 數據庫鏈接：


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