Tinker 8: Software Tools for Molecular Design.

Area of Science:

• Computational chemistry
• Molecular modeling
• Biophysics

Background:

• Molecular mechanics and dynamics simulations are crucial for understanding biomolecular systems.
• Efficient software packages are needed to handle complex simulations and large datasets.
• The development of advanced force fields, such as polarizable models, requires robust computational tools.

Purpose of the Study:

• To introduce the Tinker molecular mechanics and dynamics software package.
• To highlight its features, including support for various force fields and parallel computing capabilities.
• To present the integrated graphical user interface for enhanced usability.

Main Methods:

• The Tinker software is primarily written in Fortran 95 with OpenMP extensions.
• It supports a wide range of force fields, including the polarizable Atomic Multipole Optimized Energetics for Biomolecular Applications (AMOEBA) model.
• Specialized versions, Tinker-HP and Tinker-OpenMM, are designed for high-performance computing (HPC) and graphical processing units (GPUs), respectively.

Main Results:

• Tinker version 8 is a modular package supporting diverse force fields and running on multiple operating systems (Linux, macOS, Windows).
• Tinker-HP and Tinker-OpenMM provide enhanced performance for large-scale simulations on supercomputers and GPUs.
• The Force Field Explorer (FFE) offers integrated visualization and control for Tinker calculations.

Conclusions:

• The Tinker suite provides a comprehensive and flexible platform for molecular mechanics and dynamics simulations.
• Its parallel and GPU-enabled versions significantly advance computational efficiency.
• The user-friendly interface facilitates broader accessibility and application in biomolecular research.