AMBERff at Scale: Multimillion-Atom Simulations with AMBER Force Fields in NAMD.
AMBERff at Scale: Multimillion-Atom Simulations with AMBER Force Fields in NAMD.
复制标题
Amberff大规模:NAMD中使用琥珀色力场的数百万个原子模拟。
DOI:
10.1021/acs.jcim.3c01648
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发表时间:
2024-01-22
影响因子:
5.6
通讯作者:
Hadden-Perilla, Jodi A.
中科院分区:
文献类型:
--
作者:
Antolinez, Santiago;Jones, Peter Eugene;Phillips, James C.;Hadden-Perilla, Jodi A.
All-atom molecular dynamics (MD) simulations are an essential structural biology technique with increasing application to multimillion-atom systems, including viruses and cellular machinery. Classical MD simulations rely on parameter sets, such as the AMBER family of force fields (AMBERff), to accurately describe molecular motion. Here, we present an implementation of AMBERff for use in NAMD that overcomes previous limitations to enable high-performance, massively parallel simulations encompassing up to two billion atoms. Single-point potential energy comparisons and case studies on model systems demonstrate that the implementation produces results that are as accurate as running AMBERff in its native engine.
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