期刊
MOLECULAR CELL
卷 82, 期 21, 页码 3970-3984出版社
CELL PRESS
DOI: 10.1016/j.molcel.2022.09.021
关键词
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资金
- National Institutes of Health [U54-CA231641-01659, 5T32GM007232-42]
- Howard Hughes Medical Institute
There are differences in structure and function between bacterial and eukaryotic transcription factors, and the intrinsically disordered regions in eukaryotic transcription factors play a crucial role in their interactions with other proteins and chromatin. Understanding the role of disordered regions is essential for a deep understanding of the regulatory mechanisms of eukaryotic transcription factors.
Many principles of bacterial gene regulation have been foundational to understanding mechanisms of eu-karyotic transcription. However, stark structural and functional differences exist between eukaryotic and bacterial transcription factors that complicate inferring properties of the eukaryotic system from that of bac-teria. Here, we review those differences, focusing on the impact of intrinsically disordered regions on the ther-modynamic and kinetic parameters governing eukaryotic transcription factor interactions???both with other proteins and with chromatin. The prevalence of unstructured domains in eukaryotic transcription factors as well as their known impact on function call for more sophisticated knowledge of what mechanisms they support. Using the evidence available to date, we posit that intrinsically disordered regions are necessary for the complex and integrative functions of eukaryotic transcription factors and that only by understanding their rich biochemistry can we develop a deep molecular understanding of their regulatory mechanisms.
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