Ubiquitin proteasome pathway is responsible for the degradation of Short life protein in the eukaryote,UPP is high selective and very important in regulating various cellular processes.

• 真核细胞中,泛素系统执行对大多数短周期寿命蛋白的选择性降解,且已发现由泛素介导的对蛋白的降解调控在细胞的多种生命过程中起重要作用。