TINKER
A comprehensive molecular modeling package for molecular mechanics and dynamics simulations.
Overview
TINKER is a complete and general-purpose molecular modeling package that includes molecular mechanics and dynamics capabilities. It is particularly well-suited for studying biomolecular systems and includes a comprehensive set of tools for molecular modeling and simulation.
Features
- Molecular mechanics calculations
- Molecular dynamics simulations
- Energy minimization
- Normal mode analysis
- Free energy calculations
- Structure prediction
- Custom force field development
Installation
Requirements
- Fortran compiler (GNU, Intel, or PGI)
- MPI library (for parallel execution)
- CMake 3.10+
- Python 3.7+ (optional)
Installation Steps
- Download TINKER:
wget https://dasher.wustl.edu/tinker/downloads/tinker.tar.gz tar xzf tinker.tar.gz
- Configure and build:
cd tinker mkdir build cd build cmake .. make -j 4
Basic Usage
Example Script
# Energy minimization
minimize protein.xyz
# Molecular dynamics
dynamic protein.xyz 1000 1.0 2.0 2.0
# Normal mode analysis
vibrate protein.xyz
Advanced Topics
Force Fields
TINKER supports various force fields:
- AMBER
- CHARMM
- MM3
- OPLS
Performance Optimization
- Parallel computing with MPI
- Memory optimization
- Custom force field development
- Algorithm optimization