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  4. Recombinant Human Cyclin-dependent kinase 12 (CDK12), partial

Recombinant Human Cyclin-dependent kinase 12 (CDK12), partial

  • 中文名称：
    Recombinant Human Cyclin-dependent kinase 12(CDK12) ,partial
  • 货号：
    CSB-YP882147HU
  • 规格：
  • 来源：
    Yeast
  • 其他：
  • 中文名称：
    Recombinant Human Cyclin-dependent kinase 12(CDK12) ,partial
  • 货号：
    CSB-EP882147HU
  • 规格：
  • 来源：
    E.coli
  • 其他：
  • 中文名称：
    Recombinant Human Cyclin-dependent kinase 12(CDK12) ,partial
  • 货号：
    CSB-EP882147HU-B
  • 规格：
  • 来源：
    E.coli
  • 共轭：
    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：
  • 中文名称：
    Recombinant Human Cyclin-dependent kinase 12(CDK12) ,partial
  • 货号：
    CSB-BP882147HU
  • 规格：
  • 来源：
    Baculovirus
  • 其他：
  • 中文名称：
    Recombinant Human Cyclin-dependent kinase 12(CDK12) ,partial
  • 货号：
    CSB-MP882147HU
  • 规格：
  • 来源：
    Mammalian cell
  • 其他：

产品详情

  • 纯度：
    >85% (SDS-PAGE)
  • 基因名：
    CDK12
  • Uniprot No.：
    Q9NYV4
  • 别名：
    arginine/serine-rich; Cdc2 related kinase arginine/serine rich; CDC2 related protein kinase 7; Cdc2-related kinase; CDC2-related protein kinase 7; Cdk12; CDK12_HUMAN; Cell division cycle 2 related protein kinase 7; Cell division cycle 2-related protein kinase 7; Cell division protein kinase 12; CRK7; CRKR; CrkRS; Cyclin-dependent kinase 12; EC 2.7.11.22; hCDK12; kiaa0904; Pksc
  • 种属：
    Homo sapiens (Human)
  • 蛋白长度：
    Partial
  • 蛋白标签：
    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.
  • 产品提供形式：
    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.
  • 复溶：
    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.
  • 储存条件：
    Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
  • 保质期：
    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.
  • 货期：
    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.
  • 注意事项：
    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.

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问答及客户评论

■ 常见问题解答
Q:

I am interested in several of your recombinant proteins. Can you please provide some informations:
G)For CSB-EP882147HU (all expression systems):
a.Sequence
b.Tag type
c.Tag position
d.Sizes and formats
e.Is the protein provided soluble in solution?
f.Is the protein purified from bacterial inclusion bodies are you supplied refolded or still in urea?
g.I want to use this protein for conjugation purposes and need it supplied in an amine free buffer (so not Tris). Can you supply this protein in one of the buffers at my request: phosphate, carbonate, or borate? Would there be an extra charge?

A:
Thanks for your inquiry. Proteins will be supplied soluble in solution.
It is not certain for the protein to be expressed in the supernatant or precipitation, but our proteins are provided with folding correctly.
If you need it supplied in an amine free buffer (so not Tris). We can do this. Please mention this requirement in your official order. We can try to provide PBS buffer, this is not charged.
Recombinant Human Cyclin-dependent kinase 12(CDK12),partial
CSB-YP882147HU >> Yeast
CSB-EP882147HU >> E.coli
CSB-BP882147HU >> Baculovirus
CSB-MP882147HU >> Mammalian cell
Expression Region:727-1020aa;Partial,Protein kinase domain.
Tag information:EP,YP,BP,MP: Tag type will be determined during the manufacturing process.
The expected tag for each expression system is listed as follows:
YP:N-terminal 6xHis-tagged;EP,BP,MP: N-terminal 10xHis-tagged and C-terminal Myc-tagged.
Sequence:

FDIIGIIGEGTYGQVYKAKDKDTGELVALKKVRLDNEKEGFPITAIREIKILRQLIHRSVVNMKEIVTDKQDALDFKKDKGAFYLVFEYMDHDLMGLLESGLVHFSEDHIKSFMKQLMEGLEYCHKKNFLHRDIKCSNILLNNSGQIKLADFGLARLYNSEESRPYTNKVITLWYRPPELLLGEERYTPAIDVWSCGCILGELFTKKPIFQANLELAQLELISRLCGSPCPAVWPDVIKLPYFNTMKPKKQYRRRLREEFSFIPSAALDLLDHMLTLDPSKRCTAEQTLQSDFL


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靶点详情

  • 功能：
    Cyclin-dependent kinase that phosphorylates the C-terminal domain (CTD) of the large subunit of RNA polymerase II (POLR2A), thereby acting as a key regulator of transcription elongation. Regulates the expression of genes involved in DNA repair and is required for the maintenance of genomic stability. Preferentially phosphorylates 'Ser-5' in CTD repeats that are already phosphorylated at 'Ser-7', but can also phosphorylate 'Ser-2'. Required for RNA splicing, possibly by phosphorylating SRSF1/SF2. Involved in regulation of MAP kinase activity, possibly leading to affect the response to estrogen inhibitors.
  • 基因功能参考文献：
    1. Cyclin K expression positively correlates with cell proliferation; knockdown of cyclin K or its cognate kinase CDK12 prevents the assembly of prereplicative complex in the G1 cell cycle phase. PMID: 29760377
    2. CDK12 regulates prereplicative complex assembly to promote mammalian cell proliferation. PMID: 29760377
    3. CDK12 gene amplification can contribute to the pathogenesis of breast cancer. PMID: 28334900
    4. BRCA1 downregulation combined with CHK1 inhibition induced excessive amounts of DNA damage, resulting in an inability to complete the S-phase. Therefore, we suggest CHK1 inhibition as a strategy for targeting BRCA1- or CDK12-deficient tumors. PMID: 29025359
    5. In Ovarian Cancer patients CDK12 loss is consistently associated with a particular genomic instability pattern characterized by hundreds of tandem duplications PMID: 26787835
    6. Structures of CDK12/CycK complexes solved in the presence of AMP-PNP. PMID: 26597175
    7. Data show that most mutations prevent formation of the cyclin-dependent kinase 12 (Cdk12)/cyclin K (CycK) complex, rendering the kinase inactive. PMID: 25712099
    8. CDK12 affects RNA processing events in two distinct ways: Indirectly through generating factor-binding phospho-epitopes on the CTD of elongating RNAPII and directly through binding to specific factors PMID: 25429106
    9. CDK12 and CDK13 losses in HCT116 cells preferentially affect expression of DNA damage response. PMID: 25561469
    10. CDK12 plays an important role in cotranscriptional processing of c-FOS transcripts PMID: 25384976
    11. CDK12 has properties that should confirm interest in its use as a biomarker. PMID: 24240700
    12. many CDK12 mutations are an unrecognized cause of HR defects in ovarian cancers PMID: 24554720
    13. CDK12 interacts with cyclin K and is required to maintain embryonnic stem cell self-renewal. PMID: 22547058
    14. Cyclin K1 is the primary cyclin partner for CDK12/CrkRS and it is required for activation of CDK12/CrkRS to phosphorylate the C-terminal domain of RNA Pol II. PMID: 22988298
    15. through regulation of expression of DNA damage response genes, CycK/Cdk12 protects cells from genomic instability PMID: 22012619
    16. Data show that siRNA knockdown of hCDK12 in HeLa cells results in alterations in the CTD phosphorylation state. PMID: 20952539
    17. CRK7 modifies MAP kinases regulation and resistance to estrogen signaling inhibitors in breast cancers. PMID: 19651820

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  • 相关疾病：
    Chromosomal aberrations involving CDK12 may be a cause gastric cancer. Deletions within 17q12 region producing fusion transcripts with ERBB2, leading to CDK12-ERBB2 fusion leading to trunctated CDK12 protein not in-frame with ERBB2.
  • 亚细胞定位：
    Nucleus. Nucleus speckle. Note=Colocalized with nuclear speckles throughout interphase.
  • 蛋白家族：
    Protein kinase superfamily, CMGC Ser/Thr protein kinase family, CDC2/CDKX subfamily
  • 组织特异性：
    Ubiquitously expressed.
  • 数据库链接：

    HGNC: 24224

    OMIM: 615514

    KEGG: hsa:51755

    STRING: 9606.ENSP00000398880

    UniGene: Hs.345028

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