Parametrize and generate grids using the following script
#!/bin/bash
export GBD3=/path/to/GBD3/#Parameterize ligand (crp) and receptor (IGPS) PQR files from PDB files
$GBD3/bin/Parameterize.py -d $GBD3/Parameters/AA.gdbp -i IGPS.pdb -o IGPS.pqr
#Run Gridder programs to create electrostatic, Lennard-Jones, ligand desolvation, and volume exclusion grids for the system
$GBD3/bin/Gridder-ES -d $GBD3/Parameters/AA.gdbp -r IGPS.pqr -o IGPS- -n 10$GBD3/bin/Gridder-LJ -d $GBD3/Parameters/AA_0.2.gdbp -r IGPS.pqr -l crp.pqr -o IGPS- -n 10 -p 12
$GBD3/bin/Gridder-D -d $GBD3/Parameters/AA.gdbp -r IGPS.pqr -o IGPS- -n 10 -p 12
$GBD3/bin/Gridder-EX -r IGPS.pqr -o IGPS- -n 10