Backbone 1H, 13C, and 15N resonance assignments of the PRY-SPRY domain of RNF135

Backbone 1H, 13C, and 15N resonance assignments of the PRY-SPRY domain of RNF135
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RNF135 PRY-SPRY 结构域的主链 1H、13C 和 15N 共振分配

DOI:
10.1007/s12104-019-09895-w
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发表时间:
2019-05
期刊:
Biomol NMR Assign
影响因子:
--
通讯作者:
Kuang Zhihe
Kuang Zhihe
中科院分区:
其他
文献类型:
--
作者:
Zhang Danting;Wei Huan;Xue Hongjuan;Guo Shujun;Wu Bin;Kuang Zhihe

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RING finger protein 135 (RNF135,又称Riplet或REUL)具有多种生物学功能,其c端PRY-SPRY/B30.2结构域是实现这些功能不可或缺的结构域。RNF135通过PRY-SPRY结构域与RIG-I(视黄酸诱导基因-i)相互作用,使RIG-I泛素化,促进先天抗病毒信号传导,而RNF135基因突变可导致巨头畸形、巨大畸形、面部畸形(MMFD)综合征,据报道,RNF135可调节胶质母细胞瘤细胞和舌癌细胞的增殖。然而,全长RNF135及其PRY-SPRY结构域的结构尚未确定,涉及RNF135的分子相互作用的结构基础在很大程度上是未知的。在这里,我们报告了RNF135的PRY-SPRY结构域的骨干1h、13C和15n化学位移分配,以及基于化学位移预测的二级结构元素,以及与MMFD综合征相关的R286H突变引起的扰动。我们发现该突变没有改变PRY-SPRY结构域的总体结构,因此它可能通过影响由该结构域介导的蛋白-蛋白相互作用而损害了RNF135的功能。
RING finger protein 135 (RNF135, also named Riplet or REUL) exerts multiple biological functions and its C-terminal PRY-SPRY/B30.2 domain is indispensable for most of these functions. RNF135 interacts with RIG-I (retinoic acid-inducible gene-I) via the PRY-SPRY domain and ubiquitinates RIG-I to promote innate anti-viral signaling, while mutations in the RNF135 gene can cause the Macrocephaly, macrosomia, facial dysmorphism (MMFD) syndrome, and RNF135 reportedly regulates the proliferation of glioblastoma cells as well as tongue cancer cells. Nevertheless, structure of full-length RNF135 or its PRY-SPRY domain has not been determined, and structural basis for molecular interactions involving RNF135 is largely unknown. Here we report the backbone1H,13C, and15N chemical shift assignments of the PRY-SPRY domain of RNF135 and the secondary structure elements predicted based on chemical shifts, as well as the perturbations caused by the R286H mutation that is associated with MMFD syndrome. We found that the mutation did not alter the gross structure of the PRY-SPRY domain, so it may have impaired RNF135 function by affecting protein-protein interactions mediated by the domain.
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影响因子: --
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