Calculation of the residue frequency and atomic contacts from interfacial areas between two or more protein chains, for a given (list of) PDB file(s).
Access the reference: Defining 3D residue environment in protein structures using SCORPION and FORMIGA. Bioinformatics. 2004 Aug 12;20(12):1989-91. Epub 2004 Mar 25. PMID: 15044232