DSDBASE version 2( PDB April 2003 relese):
DSDBASE is a database on disulphide bonds in proteins that provides
information on native disulphides and those which are stereochemically
possible between pairs of residues in a protein.
This Database is available as two different datasets:
1. PDB entries (April 2003 release)
2. Non-redundant dataset (25% sequence identity cutoff list)