The ubiquitin system

被引:516
|
作者
Varshavsky, A
机构
[1] Division of Biology, California Institute of Technology, Pasadena
关键词
D O I
10.1016/S0968-0004(97)01122-5
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Eukaryotes contain a highly conserved multi-enzyme system that covalently links ubiquitin to a variety of intracellular proteins that bear degradation signals recognized by this system. The resulting ubiquitin-protein conjugates are degraded by the 26S proteasome, a large ATP-dependent protease. Pathways that involve ubiquitin underlie a multitude of processes, including cell differentiation, the cell cycle and responses to stress.
引用
收藏
页码:383 / 387
页数:5
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