Mechanistic roles of protein disorder within transcription.
Mechanistic roles of protein disorder within transcription.
复制标题
转录中蛋白质紊乱的机制作用。
DOI:
10.1016/j.sbi.2017.02.003
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发表时间:
2017
影响因子:
6.8
通讯作者:
Shammas SL
中科院分区:
文献类型:
--
作者:
Shammas SL
HighlightsProtein disorder is highly over-represented within transcriptional processes.Protein disorder may accelerate binding, unbinding and/or DNA search processes.Flexible linkers, auto-inhibitory tails and promiscuity enhance network complexity.Post-translational modification and allostery allow context-specific transcription.Nuclear bodies contain low-complexity disordered proteins and nucleic acids.Understanding the interactions of proteins involved in transcriptional regulation is critical to describing biological systems because they control the expression profile of the cell. Yet sadly they belong to a less well biophysically characterized subset of proteins; they frequently contain long disordered regions that are highly dynamic. A key question therefore is, why? What functional roles does protein disorder play in transcriptional regulation? Experimental data exemplifying these roles are starting to emerge, with common themes being enabling complexity within networks and quick responses. Most recently a role for disorder in mediating phase transitions of membrane-less organelles has been proposed.
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