The Ligand Contact Tool
 

LCT is a tool to calculate contacts between protein and ligand atoms, several parameters are available (distance cut-off, Van Der Waals radii usage, etc). Queries acepted are uploadable PDB format file or PDB accession code.

PDB file format:
PDB code: ChainID:
Atom restriction:
Ca atoms Cb atoms All atoms
Distance constraints
Use Van der Walls radii (only for all atom option)
Distance cutoff: