The Mad2 spindle checkpoint protein undergoes similar major conformational changes upon binding to either Mad1 or Cdc20.
Luo, X., Tang, Z., Rizo, J., Yu, H.(2002) Mol Cell 9: 59-71
- PubMed: 11804586 
- DOI: 10.1016/s1097-2765(01)00435-x
- Primary Citation of Related Structures:  
1KLQ - PubMed Abstract: 
Mad2 participates in spindle checkpoint inhibition of APC(Cdc20). We show that RNAi-mediated suppression of Mad1 function in mammalian cells causes loss of Mad2 kinetochore localization and impairment of the spindle checkpoint. Mad1 and Cdc20 contain ...