Growth arrest-specific 2 protein family: Structure and function.

Growth arrest-specific 2 protein family: Structure and function.
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生长停滞特异性 2 蛋白家族:结构和功能

DOI:
10.1111/cpr.12934
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发表时间:
2021-01
期刊:
影响因子:
8.5
通讯作者:
Gao X
Gao X
中科院分区:
生物学1区
文献类型:
--
作者:
Zhang N;Zhao C;Zhang X;Cui X;Zhao Y;Yang J;Gao X

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生长停滞特异性2(GAS2)蛋白家族的成员由一个假定的肌动蛋白结合(CH)结构域和一个微管结合(GAR)结构域组成,被认为是spectraplakins的迷你版本。GAS 2家族有四个成员,即GAS 2、GAS 2L1、GAS 2L2和GAS 2L3。虽然GAS2被定义为生长抑制特异性蛋白家族,但迄今为止,不同GAS2家族成员之间在表达模式、相互作用特征和生物学问题或疾病方面的显著差异尚未得到系统综述。因此,我们总结了GAS 2家族成员的结构和功能的现有证据。本文综述了GAS2家族成员参与细胞骨架重组、细胞周期、细胞凋亡和肿瘤发生等一系列生物学过程的分子机制。GAS2(生长抑制特异性2)家族包含一个假定的肌动蛋白结合(CH)结构域和一个微管结合(GAR)结构域。GAS2蛋白家族中有四个成员,即GAS2,GAS2L1,GAS2L2和GAS2L3。GAS 2家族成员的不同结构特征导致了其与细胞骨架蛋白的不同结合方式,以及对肌动蛋白与微管交联的调节,这可能是GAS 2家族在细胞周期、凋亡或肿瘤中发挥多种作用的机制基础。
Members of the growth arrest–specific 2 (GAS2) protein family consist of a putative actin‐binding (CH) domain and a microtubule‐binding (GAR) domain and are considered miniversions of spectraplakins. There are four members in the GAS2 family, viz. GAS2, GAS2L1, GAS2L2 and GAS2L3. Although GAS2 is defined as a family of growth arrest–specific proteins, the significant differences in the expression patterns, interaction characteristics and biological issues or diseases among the different GAS2 family members have not been systemically reviewed to date. Therefore, we summarized the available evidence on the structures and functions of GAS2 family members. This review facilitates a comprehensive molecular understanding of the involvement of the GAS2 family members in an array of biological processes, including cytoskeleton reorganization, cell cycle, apoptosis and cancer development. The GAS2 (growth arrest–specific 2) family contains a putative actin‐binding (CH) domain and a microtubule‐binding (GAR) domain There are four members in the GAS2 protein family, namely GAS2, GAS2L1, GAS2L2 and GAS2L3. Different structural characteristics of GAS2 family members lead to the distinct ways for the binding with cytoskeletal proteins, and the modulation of crosslinking between actin and microtubule, which may be the mechanistic basis of versatile role of GAS2 family in cell cycle, apoptosis or cancer.
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