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Cisplatin binds to the MDM2 RING finger domain and inhibits the ubiquitination activity.

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Cisplatin can directly bind to the RING finger domain of MDM2, leading to the zinc-release and protein unfolding. Consequently, cisplatin inhibits the MDM2-mediated ubiquitination, which is the molecular basis of… Click to show full abstract

Cisplatin can directly bind to the RING finger domain of MDM2, leading to the zinc-release and protein unfolding. Consequently, cisplatin inhibits the MDM2-mediated ubiquitination, which is the molecular basis of p53 activation. This work provides insight into the cisplatin-induced p53-elevation that is involved in cell apoptosis.

Keywords: cisplatin binds; finger domain; ring finger; ubiquitination

Journal Title: Chemical communications
Year Published: 2020

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