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小鼠 Chk1 基因全長cDNA ORF克隆 (表達載體), C-His 標籤

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表達宿主: Baculovirus-Insect Cells  
  • Slide 1
10539-H09B-50
10539-H09B-20
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20 µg 
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表達宿主: Baculovirus-Insect Cells  
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50248-M20B-50
50248-M20B-20
50 µg 
20 µg 
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Chk1 cdna-clone 研究背景

CHK1 / CHEK1 contains 1 protein kinase domain and belongs to the protein kinase superfamily, CAMK Ser/Thr protein kinase family, NIM1 subfamily. It is a member of checkpoint kinases (Chks). Chks Checkpoint kinases (Chks) are serine/threonine kinases that are involved in the control of the cell cycle. There are two subtypes of chks that have so far been identified, CHK1 / CHEK1 and Chk2. They are essential components to delay cell cycle progression in normal and damaged cells and can act at all three cell cycle checkpoints. Chks are activated by phosphorylation. ATR kinase phosphorylates CHK1 / CHEK1 in response to single strand DNA breaks and ATM kinase phosphorylates Chk2 in response to double strand breaks. Chks phosphorylate Cdc25 phosphatase at Ser216, which leads to Cdc25 sequestration in the cytoplasm. Chks have a role in the physiological stress of hypoxia/reoxygenation. CHK1 / CHEK1 is required for checkpoint mediated cell cycle arrest in response to DNA damage or the presence of unreplicated DNA. CHK1 / CHEK1 may also negatively regulate cell cycle progression during unperturbed cell cycles.

Immune Checkpoint   Immunotherapy   Cancer Immunotherapy   Targeted Therapy

小鼠 Chk1 cdna-clone 參考資料
  • Chen P, et al. (2000) The 1.7 a crystal structure of human cell cycle checkpoint kinase CHK1 / CHEK1: Implications for CHK1 / CHEK1 regulation. Cell. 100 (6): 681-92.
  • Sanchez Y, et al. (1997) Conservation of the CHK1 / CHEK1 checkpoint pathway in mammals: linkage of DNA damage to Cdk regulation through Cdc25. Science. 277 (5331): 1497-501.
  • Flaggs G, et al. (1998) Atm-dependent interactions of a mammalian CHK1 / CHEK1 homolog with meiotic chromosomes. Curr Biol. 7 (12): 977-86.
  • Chini CC, et al. (2005) Claspin, a regulator of CHK1 / CHEK1 in DNA replication stress pathway. DNA Repair. 3 (8-9): 1033-7.
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