Protein-protein interfaces page

Protein-protein interactions shown in PDBsum are:

Hydrogen bonds and non-bonded contacts are calculated by HBPLUS. Details of its calculations are given in:

https://www.ebi.ac.uk/thornton-srv/software/HBPLUS/manual.html

Also shown are salt bridges, computed using the definition in:

Kumar & Nussinov (1999). J.Mol.Biol., 293, 1241-1255

Interface areas are computed using a program called NACCESS:

http://wolf.bms.umist.ac.uk/naccess