Function and regulation of SUMO proteases.

Function and regulation of SUMO proteases.
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DOI:
10.1038/nrm3478
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发表时间:
2012-12
期刊:
Nature reviews. Molecular cell biology
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其他
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小泛素样修饰剂 (SUMO) 与蛋白质的共价连接是高度动态的,并且 SUMO-蛋白质缀合和裂解都可以调节。蛋白质去素酰化是由 SUMO 蛋白酶进行的,它控制着从转录、细胞分裂到核糖体生物发生等细胞机制。最近的进展包括发现两类新型 SUMO 蛋白酶、对 SUMO 蛋白酶特异性的见解以及揭示以前未被重视的 SUMO 蛋白酶在几个关键细胞途径中的功能。这些进展,加上 SUMO 蛋白酶与最近发现的 SUMO 靶向泛素连接酶 (STUbL) 之间的新联系,使这些酶的研究进入了一个激动人心的时期。
Covalent attachment of small ubiquitin-like modifier (SUMO) to proteins is highly dynamic, and both SUMO-protein conjugation and cleavage can be regulated. Protein desumoylation is performed by SUMO proteases, which control cellular mechanisms ranging from transcription and cell division to ribosome biogenesis. Recent advances include the discovery of two novel classes of SUMO proteases, insights regarding SUMO protease specificity, and revelations of previously unappreciated SUMO protease functions in several key cellular pathways. These developments, together with new connections between SUMO proteases and the recently discovered SUMO-targeted ubiquitin ligases (STUbLs), make this an exciting period for the study of these enzymes.
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