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  4. Recombinant Human Serine/threonine-protein kinase VRK2 (VRK2)

Recombinant Human Serine/threonine-protein kinase VRK2 (VRK2)

  • 中文名稱：
    人VRK2重組蛋白
  • 貨號：
    CSB-CF768235HU
  • 規格：
  • 來源：
    in vitro E.coli expression system
  • 其他：

產品詳情

  • 基因名：
    VRK2
  • Uniprot No.：
  • 別名：
    VRK2; Serine/threonine-protein kinase VRK2; Vaccinia-related kinase 2
  • 種屬：
    Homo sapiens (Human)
  • 蛋白長度：
    full length protein
  • 表達區域：
    1-508
  • 氨基酸序列
    MPPKRNEKYKLPIPFPEGKVLDDMEGNQWVLGKKIGSGGFGLIYLAFPTNKPEKDARHVV KVEYQENGPLFSELKFYQRVAKKDCIKKWIERKQLDYLGIPLFYGSGLTEFKGRSYRFMV MERLGIDLQKISGQNGTFKKSTVLQLGIRMLDVLEYIHENEYVHGDIKAANLLLGYKNPD QVYLADYGLSYRYCPNGNHKQYQENPRKGHNGTIEFTSLDAHKGVALSRRSDVEILGYCM LRWLCGKLPWEQNLKDPVAVQTAKTNLLDELPQSVLKWAPSGSSCCEIAQFLVCAHSLAY DEKPNYQALKKILNPHGIPLGPLDFSTKGQSINVHTPNSQKVDSQKAATKQVNKAHNRLI EKKVHSERSAESCATWKVQKEEKLIGLMNNEAAQESTRRRQKYQESQEPLNEVNSFPQKI SYTQFPNSFYEPHQDFTSPDIFKKSRSPSWYKYTSTVSTGITDLESSTGLWPTISQFTLS EETNADVYYYRIIIPVLLMLVFLALFFL
    Note: The complete sequence may include tag sequence, target protein sequence, linker sequence and extra sequence that is translated with the protein sequence for the purpose(s) of secretion, stability, solubility, etc.
    If the exact amino acid sequence of this recombinant protein is critical to your application, please explicitly request the full and complete sequence of this protein before ordering.
  • 蛋白標簽：
    N-terminal 10xHis-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：
    Lyophilized from Tris/PBS-based buffer, 6% Trehalose, pH 8.0
  • 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：
    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.

產品評價

靶點詳情

  • 功能：
    Serine/threonine kinase that regulates several signal transduction pathways. Isoform 1 modulates the stress response to hypoxia and cytokines, such as interleukin-1 beta (IL1B) and this is dependent on its interaction with MAPK8IP1, which assembles mitogen-activated protein kinase (MAPK) complexes. Inhibition of signal transmission mediated by the assembly of MAPK8IP1-MAPK complexes reduces JNK phosphorylation and JUN-dependent transcription. Phosphorylates 'Thr-18' of p53/TP53, histone H3, and may also phosphorylate MAPK8IP1. Phosphorylates BANF1 and disrupts its ability to bind DNA and reduces its binding to LEM domain-containing proteins. Downregulates the transactivation of transcription induced by ERBB2, HRAS, BRAF, and MEK1. Blocks the phosphorylation of ERK in response to ERBB2 and HRAS. Can also phosphorylate the following substrates that are commonly used to establish in vitro kinase activity: casein, MBP and histone H2B, but it is not sure that this is physiologically relevant.; Isoform 2 phosphorylates 'Thr-18' of p53/TP53, as well as histone H3. Reduces p53/TP53 ubiquitination by MDM2, promotes p53/TP53 acetylation by EP300 and thereby increases p53/TP53 stability and activity.
  • 基因功能參考文獻：
    1. VRK2 is suggested as a candidate gene for neurological disorders through its role in signaling pathway, the neuronal loss and stress response. PMID: 29100046
    2. GSK3beta may inhibit VRK2 catalytic activity by disrupting its flexibility. The inhibition of VRK2 catalytic activity by GSK3beta may also inhibit VRK2-induced degradation of TRiC, which could suppress polyQ-expanded Htt aggregation. PMID: 27377031
    3. The combined analysis confirmed evidence of genome-wide significant associations in the Han Chinese population for three loci, at 2p16.1 (rs1051061, in an exon of VRK2, P=1.14 x 10-12, odds ratio (OR)=1.17), 6p22.1 (rs115070292 in an intron of GABBR1, P=4.96 x 10-10, OR=0.77) and 10q24.32 (rs10883795 in an intron of AS3MT, P=7.94 x 10-10, OR=0.87; rs10883765 at an intron of ARL3, P=3.06 x 10-9, OR=0.87). PMID: 27922604
    4. Reduced VRK2 mRNA levels are involved in the underlying mechanisms in schizophrenia spectrum disorders. PMID: 26941264
    5. These data support a model in which vaccinia virus B1 and human VRK2 share additional substrates important for the replication of cytoplasmic poxviruses. PMID: 28515294
    6. we replicated one known signal in PAX8 (2.6 minutes per allele, 95% CI [1.9, 3.2], P = 5.7x10-16) and identified and replicated two novel associations at VRK2 (2.0 minutes per allele, 95% CI [1.3, 2.7], P = 1.2x10-9; and 1.6 minutes per allele, 95% CI [1.1, 2.2], P = 7.6x10-9) PMID: 27494321
    7. The data provides further evidence for the genetic contributions of VRK2 rs2312147 to schizophrenia susceptibility especially in Europeans, while further replication analyses in Asian populations are still needed. [meta-analysis] PMID: 27382989
    8. Our data provide preliminary evidence that the VRK2 gene might play a major role in the development of SCZ in the Northwest Chinese Han population. PMID: 26345874
    9. data may provide evidence for the effect of VRK2 on WM connectivity in patients with schizophrenia PMID: 25079070
    10. Findings suggest that ubiquitin-specific protease 25 (USP25) as a VRK2 substrate that acts on TRiC deubiquitination. PMID: 25755282
    11. VRK2 is crucial to regulate the ubiquitination-proteosomal degradation of eukaryotic chaperonin TCP-1 ring complex PMID: 24298020
    12. Low levels of VRK2A causes an increase in mitochondrial Bax protein level, leading to an increase in the release of cytochrome C and caspase activation, detected by PARP processing. PMID: 23449449
    13. Generalized epilepsies implicates susceptibility genes: CHRM3 at 1q43, VRK2 at 2p16.1, ZEB2 at 2q22.3, SCN1A at 2q24.3 and PNPO at 17q21.32. PMID: 22949513
    14. This study analyzed 5 genome-wide supported variants in a Han Chinese sample, and the variant rs2312147 at VRK2 showed significant association, which was confirmed in the meta-analysis combining multiple Asian and European. PMID: 23102693
    15. Human VRK2 is an active kinase playing a role in regulation of cancer cell invasion through the NFAT pathway and COX-2 expression. PMID: 23105117
    16. VRK2A can form a high molecular size complex with both MEK1 and KSR1; the KSR1 complex assembled and retained by VRK2A in the endoplasmic reticulum can have a modulatory effect on the signal mediated by MAPK,locally affecting the magnitude of its responses PMID: 22752157
    17. Common variants at VRK2 show genome-wide significant association with schizophrenia. PMID: 21791550
    18. Data suggest a role for VRK2A in ErbB2-MAPK signaling. PMID: 20679487
    19. VRK2 induces p53 stabilization by post-translational modification, largely due to threonine 18 phosphorylation in tumor cell lines. PMID: 16704422
    20. human VRK2 interacts specifically with EBV BHRF1 and that the interaction is involved in protecting cells from apoptosis PMID: 16963744
    21. Data show that TAK1 forms a stable complex with JIP1 and regulates the activation of JNK, which in turn determines the cellular stress response to hypoxia; this activation of TAK1-JIP1-JNK is suppressed by vaccinia-related kinase 2. PMID: 17709393
    22. the activity of JIP1-JNK complexes is downregulated by VRK2 in response to interleukin-1beta PMID: 18286207
    23. the downregulation of VRK2 protein levels, as a consequence of p53 accumulation, is thus dependent on the levels of the p300/CBP protein available for transcriptional complexes PMID: 18612383

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  • 亞細胞定位：
    [Isoform 1]: Cytoplasm. Endoplasmic reticulum membrane; Single-pass type IV membrane protein. Mitochondrion membrane; Single-pass type IV membrane protein. Nucleus envelope.; [Isoform 2]: Cytoplasm. Nucleus.
  • 蛋白家族：
    Protein kinase superfamily, CK1 Ser/Thr protein kinase family, VRK subfamily
  • 組織特異性：
    Isoform 1 and isoform 2 are expressed in various tumor cell lines. Expression of isoform 1 inversely correlates with ERBB2 in breast carcinomas (at protein level). Widely expressed. Highly expressed in fetal liver, skeletal muscle, pancreas, heart, periph
  • 數據庫鏈接：

    HGNC: 12719

    OMIM: 602169

    KEGG: hsa:7444

    STRING: 9606.ENSP00000342381

    UniGene: Hs.715298



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