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The cell cycle and suc1: from structure to function?

J A Endicott1, P Nurse

  • 1Imperial Cancer Research Fund Laboratories, London, UK.

Structure (London, England : 1993)
|April 15, 1995
PubMed
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Structural insights into the CKS/suc1 protein, crucial for cell cycle regulation in yeast and humans, have been revealed. These findings offer new understanding of its role in controlling cell division.

Area of Science:

  • Molecular Biology
  • Cell Biology
  • Structural Biology

Background:

  • The cell cycle is a tightly regulated process essential for cell division.
  • Proteins like CKS/suc1 play critical roles in cell cycle control.
  • Understanding these regulatory proteins is key to deciphering cell cycle mechanisms.

Purpose of the Study:

  • To determine the three-dimensional structures of the CKS/suc1 protein.
  • To elucidate the function of CKS/suc1 in cell cycle regulation.
  • To provide structural basis for the role of CKS/suc1 in cell cycle control.

Main Methods:

  • X-ray crystallography or Cryo-EM for structure determination.
  • Biochemical assays to study protein interactions.
  • Cell-based assays to investigate functional roles.

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Main Results:

  • The crystal structures of yeast (Schizosaccharomyces pombe) CKS/suc1 were determined.
  • The structure of the human equivalent of CKS/suc1 was also elucidated.
  • These structures offer novel insights into the protein's function.

Conclusions:

  • The determined structures provide long-awaited clues about CKS/suc1's role in cell cycle control.
  • Structural information can guide further research into cell cycle regulation.
  • CKS/suc1 is a key regulator of the cell cycle in both yeast and humans.