摘要
DNA损伤修复是一种细胞的自我保护机制:当DNA损伤反应发生时为了维持细胞功能稳定和结构完整性,一些相关的蛋白质会变得十分活跃。蛋白质翻译后修复(PTMs)能够重复授予他们更复杂的结构和复杂的功能,通过不同小分子与蛋白质靶点的共价键合并,在DNA损伤修复中扮演了重要的调节角色。有报道称,不均一核糖核蛋白K(hnRNPK)能够在许多翻译后修饰调控下参与到DNA损伤修复进程中,包括甲基化、泛素化、泛素化和磷酸化。这里,我们回顾了不均一核糖核蛋白K的分子机制和这种蛋白翻译后修饰和他们在DNA损伤修复中扮演的角色,这将使我们在不均一核糖核蛋白K参与他们的损伤进程包括细胞生物活性的日常运作方面有更加深远的理解。
关键词: 不均一核糖核蛋白K,甲基化,磷酸化、泛素化,DNA损伤修复。
Current Medicinal Chemistry
Title:The Molecular Mechanisms and the Role of hnRNP K Protein Post- Translational Modification in DNA Damage Repair
Volume: 24 Issue: 6
关键词: 不均一核糖核蛋白K,甲基化,磷酸化、泛素化,DNA损伤修复。
摘要: DNA damage repair is a kind of cellular self-protection mechanism in which some relevant proteins are activated when DNA damage response occurs in order to maintain the intracellular function stability and structure integrity. Post-translational modifications (PTMs) of proteins can rapidly confer to them more complicated structure and sophisticated function by covalently combining different small molecules with target proteins, which in turn plays an important regulatory role in DNA damage repair. It was reported that heterogeneous nuclear ribonucleoprotein K (hnRNP K) could be involved in DNA damage repair process under the regulation of its many post-translational modifications, including methylation, ubiquitination, sumoylation and phosphorylation. Here, we reviewed molecular mechanisms of hnRNP K protein post-translational modifications and their role in DNA damage repair, which will promote our understanding of how hnRNP K participating in the repair process to maintain the normal operation of biological activities in the cells.
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Cite this article as:
The Molecular Mechanisms and the Role of hnRNP K Protein Post- Translational Modification in DNA Damage Repair, Current Medicinal Chemistry 2017; 24 (6) . https://dx.doi.org/10.2174/0929867323666161129124122
DOI https://dx.doi.org/10.2174/0929867323666161129124122 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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