A new view of the spindle checkpoint
- PMID: 11535614
- PMCID: PMC2196198
- DOI: 10.1083/jcb.200108010
A new view of the spindle checkpoint
Abstract
Previous studies of the spindle checkpoint suggested that its ability to prevent entry into anaphase was mediated by the inhibition of the anaphase-promoting complex (APC) ubiquitin ligase by Mad2. Two new studies challenge that view by demonstrating that another checkpoint protein, BubR1, is a far more potent inhibitor of APC function.
Comment on
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Checkpoint inhibition of the APC/C in HeLa cells is mediated by a complex of BUBR1, BUB3, CDC20, and MAD2.J Cell Biol. 2001 Sep 3;154(5):925-36. doi: 10.1083/jcb.200102093. J Cell Biol. 2001. PMID: 11535616 Free PMC article.
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