Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Inverse Boltzmann Iterative Multi-Scale Molecular Dynamics Study between Carbon Nanotubes and Amino Acids

Version 1 : Received: 19 November 2021 / Approved: 22 November 2021 / Online: 22 November 2021 (11:08:58 CET)

A peer-reviewed article of this Preprint also exists.

Huang, W.; Ou, X.; Luo, J. Inverse Boltzmann Iterative Multi-Scale Molecular Dynamics Study between Carbon Nanotubes and Amino Acids. Molecules 2022, 27, 2785, doi:10.3390/molecules27092785. Huang, W.; Ou, X.; Luo, J. Inverse Boltzmann Iterative Multi-Scale Molecular Dynamics Study between Carbon Nanotubes and Amino Acids. Molecules 2022, 27, 2785, doi:10.3390/molecules27092785.

Abstract

Our work uses Iterative Boltzmann Inversion (IBI) to study the coarse-grained interaction between 20 amino acids and the representative carbon nanotube CNT55L3. IBI is a multi-scale simulation method that has attracted the attention of many researchers in recent years. It can effectively modify the coarse-grained model derived from the Potential of Mean Force (PMF). IBI is based on the distribution result obtained by All-Atom molecular dynamics simulation, that is, the target distribution function, the PMF potential energy is extracted, and then the initial potential energy extracted by the PMF is used to perform simulation iterations using IBI. Our research results have gone through more than 100 iterations, and finally, the distribution obtained by coarse-grained molecular simulation (CGMD) can effectively overlap with the results of all-atom molecular dynamics simulation (AAMD). In addition, our work lays the foundation for the study of force fields for the simulation of the coarse-graining of super-large proteins and other important nanoparticles.

Keywords

Multi-scale molecular dynamics; IBI; CBNs

Subject

Biology and Life Sciences, Biochemistry and Molecular Biology

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