The product of proto oncogene c Cbl has been proved as a new ubiquitin ligase (E3) of RING finger type for ubiquitin proteasome pathway.

• c Cbl最近被证明是泛素 蛋白酶体 (ubiquitin proteasome)通路中的一个新的RINGFinger型泛素连接酶 (ubiquitinligase ；E3) .