Article
MDM2 interaction with nuclear corepressor KAP1 contributes to p53 inactivation.
The EMBO journal - 21 Sept 2005
Wang Chuangui, Ivanov Alexey, Chen Lihong, Fredericks William J, Seto Ed, Rauscher Frank J, Chen Jiandong
Abstract excerpt
MDM2 is a RING domain ubiquitin E3 ligase and a major regulator of the p53 tumor suppressor. MDM2 binds to p53, inactivates p53 transcription function, inhibits p53 acetylation, and promotes p53 degradation. Here, we present evidence that MDM2 interacts with the nuclear corepressor KAP1. The binding is mediated by the N-terminal coiled-coil domain of KAP1 and the central acidic domain of MDM2. KAP1 stimulates...
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