PDB select

The PDBSELECT database is a subset of the structures in the PDB that does not contain (highly) homolog sequences. It was designed by Uwe Hobohm and Chris Sander.

See also the lists made by R.W.W.Hooft and G.Vriend using WHAT IF.

Information

An explanation of the PDBselect database and the method used to construct it.
FTP access to the database itself