CDK12 Antibody

Code CSB-PA998940
Size US$166
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Image
  • The image on the left is immunohistochemistry of paraffin-embedded Human ovarian cancer tissue using CSB-PA998940(CDK12 Antibody) at dilution 1/30, on the right is treated with synthetic peptide. (Original magnification: ×200)
  • The image on the left is immunohistochemistry of paraffin-embedded Human cervical cancer tissue using CSB-PA998940(CDK12 Antibody) at dilution 1/30, on the right is treated with synthetic peptide. (Original magnification: ×200)
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Product Details

Uniprot No.
Target Names
CDK12
Alternative Names
arginine/serine-rich antibody; Cdc2 related kinase arginine/serine rich antibody; CDC2 related protein kinase 7 antibody; Cdc2-related kinase antibody; CDC2-related protein kinase 7 antibody; Cdk12 antibody; CDK12_HUMAN antibody; Cell division cycle 2 related protein kinase 7 antibody; Cell division cycle 2-related protein kinase 7 antibody; Cell division protein kinase 12 antibody; CRK7 antibody; CRKR antibody; CrkRS antibody; Cyclin-dependent kinase 12 antibody; EC 2.7.11.22 antibody; hCDK12 antibody; kiaa0904 antibody; Pksc antibody
Raised in
Rabbit
Species Reactivity
Human,Mouse,Rat
Immunogen
Synthetic peptide of Human CDK12
Immunogen Species
Homo sapiens (Human)
Conjugate
Non-conjugated
Isotype
IgG
Purification Method
Antigen affinity purification
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
-20°C, pH7.4 PBS, 0.05% NaN3, 40% Glycerol
Form
Liquid
Tested Applications
ELISA,IHC
Recommended Dilution
Application Recommended Dilution
ELISA 1:1000-1:2000
IHC 1:25-1:100
Troubleshooting and FAQs
Storage
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

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Target Background

Function
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.
Gene References into Functions
  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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Involvement in disease
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.
Subcellular Location
Nucleus. Nucleus speckle. Note=Colocalized with nuclear speckles throughout interphase.
Protein Families
Protein kinase superfamily, CMGC Ser/Thr protein kinase family, CDC2/CDKX subfamily
Tissue Specificity
Ubiquitously expressed.
Database Links

HGNC: 24224

OMIM: 615514

KEGG: hsa:51755

STRING: 9606.ENSP00000398880

UniGene: Hs.345028

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