Parthenolide promotes the ubiquitination of MDM2 and activates p53 cellular functions

MDM2 belongs to a class of ring-finger domain–containing ubiquitin ligases that mediate the proteasomal degradation of numerous proteins, including themselves. Arguably, the most important substrate of MDM2 is p53, which controls cell cycle progression and apoptosis. MDM2 and p53 are parts of a feed...

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