G-Quadruplex-Binding Proteins: Promising Targets for Drug Design.

G-Quadruplex-Binding Proteins: Promising Targets for Drug Design.
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DOI:
10.3390/biom12050648
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发表时间:
2022-04-29
期刊:
影响因子:
5.5
通讯作者:
--
中科院分区:
生物学2区
文献类型:
--
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G-四链体(G4)是非典型的二级核酸结构。在端粒、启动子和5′端非编码区等基因组调控区域中,存在大量具有G4形成潜能的序列,它们具有重要的基因组调控功能。一般来说,G4通过与蛋白质相互作用来执行各种生物学功能。近年来,越来越多的G-四链体结合蛋白被生化实验所鉴定。G4结合蛋白参与重要的细胞过程,如端粒维持、DNA复制、基因转录、mRNA加工。因此,G4结合蛋白也与各种人类疾病有关。对G4蛋白相互作用的深入研究为潜在的治疗提供了一种有吸引力的方法,这些蛋白可以被认为是新的医学治疗的药物靶点。本文综述了G4结合蛋白的生物学功能和结构特性,并讨论了如何利用G4蛋白的相互作用来开发新的治疗靶点。
G-quadruplexes (G4s) are non-canonical secondary nucleic acid structures. Sequences with the potential to form G4s are abundant in regulatory regions of the genome including telomeres, promoters and 5′ non-coding regions, indicating they fulfill important genome regulatory functions. Generally, G4s perform various biological functions by interacting with proteins. In recent years, an increasing number of G-quadruplex-binding proteins have been identified with biochemical experiments. G4-binding proteins are involved in vital cellular processes such as telomere maintenance, DNA replication, gene transcription, mRNA processing. Therefore, G4-binding proteins are also associated with various human diseases. An intensive study of G4-protein interactions provides an attractive approach for potential therapeutics and these proteins can be considered as drug targets for novel medical treatment. In this review, we present biological functions and structural properties of G4-binding proteins, and discuss how to exploit G4-protein interactions to develop new therapeutic targets.
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