In the direct inhibition model, association of the MCC with APCC results in the inactivation of APC/C. However, the affinity between MCC and APC/C is not high, so that the inhibition is readily reversible. The role of unattached kinetochores is to sensitize the APC/C to prolonged inhibition by the MCC.
Yen, TJ, Sudakin, V, Chan, GK
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