Lonrf3,也称为Ring Finger Protein 223(RNF223),是一种E3泛素连接酶,属于环指蛋白家族。E3泛素连接酶在泛素-蛋白酶体途径中发挥着关键作用,负责将泛素分子从泛素激活酶(E1)和泛素结合酶(E2)转移到特定的底物蛋白上,从而标记这些蛋白进行降解或调节其功能。Lonrf3通过其环指结构域识别并连接特定的底物蛋白,进而影响细胞内各种生物学过程。
1. Feng, Lei, Wang, Jieqing, Zhang, Jianmin, Gao, Yi, Zhou, Chenjie. 2021. Comprehensive Analysis of E3 Ubiquitin Ligases Reveals Ring Finger Protein 223 as a Novel Oncogene Activated by KLF4 in Pancreatic Cancer. In Frontiers in cell and developmental biology, 9, 738709. doi:10.3389/fcell.2021.738709. https://pubmed.ncbi.nlm.nih.gov/34722520/