The following sites have coordinates of many ligands. The PDB files available
using elbow.get_pdb come from the MSD Chemistry site.
- MSD Ligand Chemistry
- Consistent and enriched library of ligands, small molecules and
monomers that are referred as residues and hetgroups in any PDB entry
(6989 currently in the database - Release:28-2006_06_25)
- HIC-Up
- Hetero-compound Information Centre - Uppsala