Integrating Structural Information to Study the Dynamics of Protein-Protein Interactions in Cells.
Integrating Structural Information to Study the Dynamics of Protein-Protein Interactions in Cells.
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DOI:
10.1016/j.str.2018.07.010
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发表时间:
2018-10-02
期刊:
影响因子:
--
通讯作者:
Wu Y
中科院分区:
文献类型:
--
作者:
Wang B;Xie ZR;Chen J;Wu Y
The information of how two proteins interact is embedded in the atomic details of their binding interfaces. These interactions, spatial-temporally coordinating each other as a network in a variable cytoplasmic environment, dominate almost all biological functions. A feasible and reliable computational model is highly demanded to realistically simulate these cellular processes and unravel the complexities beneath them. We therefore present a multiscale framework that integrates simulations on two different scales. The higher-resolution model incorporates structural information of proteins and energetics of their binding, while the lower-resolution model uses a highly simplified representation of proteins to capture the long-time-scale dynamics of a system with multiple proteins. Through a systematic benchmark test and two practical applications of biomolecular systems with specific cellular functions, we demonstrated that this method could be a powerful approach to understand molecular mechanisms of dynamic interactions between biomolecules and their functional impacts with high computational efficiency.
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