Armadillo motifs involved in vesicular transport.

Armadillo motifs involved in vesicular transport.
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DOI:
10.1371/journal.pone.0008991
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发表时间:
2010-02-01
期刊:
影响因子:
3.7
通讯作者:
Heinemann U
Heinemann U
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Striegl H;Andrade-Navarro MA;Heinemann U

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犰狳 (ARM) 重复蛋白在各种细胞过程中发挥作用,包括囊泡运输和膜束缚。它们包含不完美的重复序列基序,形成保守的三维结构。最近,人们对 ARM 重复蛋白 p115 介导的束缚的结构和功能有了深入的了解。出于清晰和命名的原因,我们在此描述了 p115 ARM 基序,并表明序列和结构在 ARM 重复蛋白中高度保守。我们认为,没有必要调用除 ARM 重复之外的重复类型来正确描述 p115 球状头区域的结构。此外,我们建议定义一个新的 ARM 样蛋白亚家族,并且缺乏证据表明 p115 中发现的 ARM 基序存在于高尔金家族的其他长卷曲螺旋束缚因子中。
Armadillo (ARM) repeat proteins function in various cellular processes including vesicular transport and membrane tethering. They contain an imperfect repeating sequence motif that forms a conserved three-dimensional structure. Recently, structural and functional insight into tethering mediated by the ARM-repeat protein p115 has been provided. Here we describe the p115 ARM-motifs for reasons of clarity and nomenclature and show that both sequence and structure are highly conserved among ARM-repeat proteins. We argue that there is no need to invoke repeat types other than ARM repeats for a proper description of the structure of the p115 globular head region. Additionally, we propose to define a new subfamily of ARM-like proteins and show lack of evidence that the ARM motifs found in p115 are present in other long coiled-coil tethering factors of the golgin family.
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发表时间: 1995-01-17
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