Member Access

Sign in to
your account

Access the Jorgensen Foundation's computational chemistry programs.

Don't have an account? Register here · Forgot password?
Good to see you,
Your Programs
Molecular Simulation
01
BOSS
Biochemical & Organic Simulation System

Monte Carlo statistical mechanics and molecular mechanics for organic and biological molecules in solution.

Capabilities

  • Monte Carlo simulations in NPT, NVT, and μVT ensembles
  • OPLS force fields for organic molecules and biomolecules
  • Semi-empirical QM methods: AM1, PM3, PDDG/PM3
  • Energy minimisation and normal mode analysis
  • Free energy perturbation and thermodynamic integration
  • Conformational searching and geometry optimisation
Launch BOSS →
Protein Simulation
02
MCPRO
Monte Carlo for Proteins

Monte Carlo simulations of peptides, proteins, and nucleic acids in solution with full solvent treatment.

Capabilities

  • Protein-ligand binding free energy calculations
  • Explicit and implicit solvent models
  • Residue-based cutoffs for efficient sampling
  • Z-matrix internal coordinate moves
  • Solute-solvent and solute-solute energy decomposition
  • Compatible with OPLS-AA force fields
Launch MCPRO →
Drug Discovery
03
BOMB
Biochemical & Organic Model Builder

Combinatorial library growth inside protein binding sites for structure-based drug discovery and lead optimisation.

Capabilities

  • De novo ligand growth in protein binding sites
  • Virtual screening of combinatorial libraries
  • Docking with scoring and ranking
  • Lead optimisation guided by FEP calculations
  • Fragment-based drug design support
  • Protein structure preparation and editing
Launch BOMB →
Free Energy
04
FEP
Free Energy Perturbation

Rigorous free energy calculations for binding affinities, solvation, and chemical transformations.

Capabilities

  • Relative and absolute binding free energies
  • Free energies of hydration and solvation
  • Thermodynamic integration protocols
  • Bennett Acceptance Ratio (BAR) analysis
  • Alchemical transformations between ligands
  • Industry-standard accuracy for lead optimisation
Launch FEP →
Force Fields
05
OPLS Force Fields
Optimised Potentials for Liquid Simulations

Industry-standard force fields covering organic molecules, proteins, nucleic acids, and lipids.

Capabilities

  • OPLS-AA: all-atom parameters for organic molecules
  • OPLS-AA/L: improved backbone parameters for proteins
  • Coverage of 100+ functional groups
  • Validated against experimental liquid properties
  • Compatible with BOSS, MCPRO, and major MD packages
  • Custom parameterisation tools for novel compounds
Launch OPLS →
3D Visualisation
06
Visualisation Suite
3D Molecular Rendering

Browser-based interactive 3D rendering of all simulation outputs — no installation required.

Capabilities

  • Interactive 3D molecular viewer in the browser
  • Ball-and-stick, space-fill, ribbon, and surface modes
  • Trajectory playback for MD and MC simulations
  • Electron density and electrostatic potential surfaces
  • Protein-ligand binding mode visualisation
  • Export publication-quality images and animations
Launch Visualiser →