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"Specifically, Esposito et al. found that Aurora kinase B, crucial for mitosis, phosphorylates USP13 at the serine 114 and that this phosphorylation enhances the interaction of both proteins, thereby maintaining the stability of Aurora kinase B. Intriguingly, USP13 stabilizes Aurora kinase B by modulating its ubiquitination, a process that occurs independently of its DUB activity."