
pmid: 15525525
The mitotic spindle assembly checkpoint arrests cells at metaphase by suppressing Cdc20, a protein required to trigger ubiquitination and consequent degradation of cyclin B. New evidence from Tang et al. appearing in the November 5th issue of Molecular Cell finds that one of the checkpoint proteins, Bub1, specifically phosphorylates Cdc20 to suppress APC/C activation.
Cdc20 Proteins, Adenomatous Polyposis Coli Protein, Animals, Humans, Mitosis, Cell Cycle Proteins, Protein Serine-Threonine Kinases, Protein Kinases, Developmental Biology
Cdc20 Proteins, Adenomatous Polyposis Coli Protein, Animals, Humans, Mitosis, Cell Cycle Proteins, Protein Serine-Threonine Kinases, Protein Kinases, Developmental Biology
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