MolSoft ICM-Pro v3.9-4a

MolSoft ICM-Pro

MolSoft ICM Pro is a sophisticated software suite for computational structural biology and computer-aided drug design. Developed by MolSoft LLC, it provides an integrated environment for protein structure modeling, ligand docking, chemical database management, molecular dynamics simulations, and binding affinity prediction. The ICM (Internal Coordinate Mechanics) method at its core allows for efficient conformational sampling and optimization of both small molecules and biological macromolecules, making it a powerful tool for rational drug design and biomolecular engineering.

Primary Users

Key Features & Capabilities

• ICM Molecular Docking: High-accuracy, flexible ligand docking into protein binding sites using the proprietary Internal Coordinate Mechanics algorithm, accounting for ligand and side-chain flexibility.
• Homology Modeling & Protein Structure Prediction: Tools for building 3D models of proteins from their amino acid sequences using known homologous structures as templates.
• Virtual High-Throughput Screening (vHTS): Platform to screen millions of compounds from chemical libraries against a target protein to identify potential hit molecules.
• Chemical Cartridge & Database Management: Integrated chemical database system (ICM-Chemist) for storing, searching, and managing large corporate or public compound collections with 2D/3D substructure and pharmacophore search.
• Molecular Dynamics & Simulations: Basic molecular dynamics capabilities for simulating biomolecular motion and stability.
• Binding Affinity Prediction (ICM-Score): Physics-based scoring function to predict binding free energies and rank docked poses or designed compounds.

What’s New in Version 3.9-4a

• Enhanced Docking & Scoring Accuracy: Refinements to the ICM docking algorithm and scoring function (ICM-Score) for improved pose prediction and binding affinity estimation, particularly for challenging targets like protein-protein interactions.
• Updated Protein & Chemical Libraries: Expanded and updated built-in databases, including the latest PDB (Protein Data Bank) structural database and commercially available compound libraries for virtual screening.
• Improved GUI & Scripting: More intuitive graphical user interface and enhancements to the ICM scripting language for advanced automation and custom workflow development.
• Extended File Format Support: Broader support for importing and exporting molecular data in industry-standard formats.
• Performance Optimizations: Faster execution of common tasks like conformational sampling and grid generation for docking.

System Requirements

• OS: Linux (Red Hat, CentOS, SUSE, Ubuntu), Windows 10/11, or macOS.
• CPU: Multi-core 64-bit Intel or AMD processor.
• RAM: 8 GB minimum (16 GB+ recommended for virtual screening and large systems).
• Graphics: OpenGL-compatible graphics card with 1 GB+ VRAM for 3D visualization.
• Storage: 2 GB for installation + substantial space for databases and projects.