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
中科院分区:
文献类型:
--
作者:
Striegl H;Andrade-Navarro MA;Heinemann U
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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