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    STUDIA BIOLOGIA - Issue no. Sp. issue / 2015  
         
  Article:   ORAL PRESENTATION ABSTRACTS: SWITCHES AND LATCHES: CONTROLLING CELL DIVISION.

Authors:  TIM HUNT.
 
       
         
  Abstract:  VIEW PDF: ORAL PRESENTATION ABSTRACTS: SWITCHES AND LATCHES: CONTROLLING CELL DIVISION

The process of mitosis involves a comprehensive reorganization of the cell: chromosomes condense, the nuclear envelope breaks down, the mitotic spindle is assembled, cells round up and release their ties to the substrate and so on and so forth. This reorganization is triggered by the activation of a protein kinase called Cyclin-Dependent Kinase 1 (CDK1). The end of mitosis is marked by the proteolysis of the cyclin subunit of CDK1, which terminates kinase activity. At this point, the phosphate moieties that altered the properties of hundreds of proteins to bring about the cellular reorganization are removed by protein phosphatases.
 
         
     
         
         
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