ICM-Chemist-Pro

ICM-Chemist-Pro is a comprehensive standalone cheminformatics software platform developed by Molsoft L.L.C., designed for researchers who require advanced 3D chemical analysis, molecular modeling, and structure-activity relationship tools. It is built for medicinal chemists, computational chemists, and drug discovery scientists who need an integrated environment for working with chemical structures in both 2D and 3D contexts.

ICM-Chemist-Pro includes all the functionality found in ICM-Chemist, extending it with powerful capabilities such as 3D interactive ligand-receptor editing, chemical superposition, Atomic Property Fields, and QSAR modeling with machine learning support.

Core Cheminformatics Features (Inherited from ICM-Chemist)

• Draw and edit chemical structures with intuitive tools
• Create, manage, and view chemical spreadsheets
• Perform chemical searching across compound collections
• Chemical clustering and tree generation for compound organization
• Combinatorial library generation for exploring chemical space
• Build and query local chemical databases
• Access plots and mathematical tools for data analysis

3D Chemical Capabilities

• Convert 2D chemical representations (SMILES, MOL, SDF) into 3D structures
• Browse and visualize chemicals in 3D directly from a chemical spreadsheet
• All 3D conversion functions can be performed interactively or in batch mode for high-throughput workflows

ICM 3D Interactive Editor

• Interactively edit a chemical structure within a receptor binding pocket in real time
• Modify individual atoms and functional groups and immediately observe the effect on ligand binding energy and score
• Re-dock and minimize ligands as part of the interactive editing workflow

Atomic Property Fields (APF)

• APF is a 3D pharmacophoric potential implemented on a continuously distributed grid
• Applicable to ligand docking, virtual screening, and chemical superposition tasks
• Can be generated from one or more high-affinity scaffolds
• Seven properties are assigned based on empirical physicochemical components, providing a rich pharmacophoric description

Chemical Superposition Tools

• Rigid and flexible chemical substructure superposition
• Atomic Property Field-based superposition leveraging 3D pharmacophoric potentials
• Tethered and directed superposition tools for guided alignment workflows

Quantitative Structure-Activity Relationship (QSAR)

• Build and apply predictive QSAR models for compound activity estimation
• Supports both linear and non-linear QSAR methodologies
• Machine learning tools available for regression and classification tasks
• Model validation through cross-validation and bootstrapping techniques

ICM-Chemist-Pro is a standalone application with minimum recommended hardware specifications available from Molsoft, ensuring users can plan appropriate computational environments for running the software effectively.