PRMT5 regulates Golgi apparatus structure through methylation of the golgin GM130

Maintenance of the Golgi apparatus (GA) structure and function depends on Golgi matrix proteins. The posttranslational modification of Golgi proteins such as phosphorylation of members of the golgin and GRASP families is important for determining Golgi architecture. Some Golgi proteins including gol...

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Veröffentlicht in:Cell research 2010-09, Vol.20 (9), p.1023-1033
Hauptverfasser: Zhou, Zhongwei, Sun, Xiaotian, Zou, Zhenhua, Sun, Litao, Zhang, Tao, Guo, Shaoshi, Wen, Ya, Liu, Lin, Wang, Yi, Qin, Jun, Li, Lei, Gong, Weimin, Bao, Shilai
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container_end_page 1033
container_issue 9
container_start_page 1023
container_title Cell research
container_volume 20
creator Zhou, Zhongwei
Sun, Xiaotian
Zou, Zhenhua
Sun, Litao
Zhang, Tao
Guo, Shaoshi
Wen, Ya
Liu, Lin
Wang, Yi
Qin, Jun
Li, Lei
Gong, Weimin
Bao, Shilai
description Maintenance of the Golgi apparatus (GA) structure and function depends on Golgi matrix proteins. The posttranslational modification of Golgi proteins such as phosphorylation of members of the golgin and GRASP families is important for determining Golgi architecture. Some Golgi proteins including golgin-84 are also known to be methylated, but the function of golgin methylation remains unclear. Here, we show that the protein arginine methyltransferase 5 (PRMT5) localizes to the GA and forms complexes with several components involved in GA ribbon formation and vesicle tethering. PRMT5 interacts with the golgin GM130, and depletion of PRMT5 causes defects in Golgi ribbon formation. Furthermore, PRMT5 methylates N-terminal arginines in GM130, and such arginine methylation appears critical for GA ribbon formation. Our findings reveal a molecular mechanism by which PRMT5-dependent arginine methylation of GM130 controls the maintenance of GA architecture.
doi_str_mv 10.1038/cr.2010.56
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subjects 631/45/607/1172
631/80/458/1648
631/80/642/1525
Arginine - metabolism
Autoantigens - metabolism
Biomedical and Life Sciences
Cell Biology
Cell Line, Tumor
Golgi Apparatus - chemistry
Golgi Apparatus - enzymology
Golgi Apparatus - ultrastructure
Humans
Life Sciences
Membrane Proteins - metabolism
Methylation
original-article
Protein Methyltransferases - analysis
Protein Methyltransferases - genetics
Protein Methyltransferases - metabolism
Protein-Arginine N-Methyltransferases
Proteins
RNA Interference
基体结构
基质蛋白
家庭成员
甲基化
精氨酸
蛋白质
通用航空
高尔基体
title PRMT5 regulates Golgi apparatus structure through methylation of the golgin GM130
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