ASTRAL SCOP domain sequences, based on PDB ATOM records: astral-scopdom-atom-1.55.fa. These are not recommended unless you have a special need.
Percentage identity filtered ASTRAL SCOP domain sequence subsets, based on PDB SEQRES records identifiers only sequences with less than 100 95 90 70 50 40 35 30 25 20 10 percent identity (using "in both" criterion).
SCOP filtered ASTRAL SCOP domain sequence subsets, based on PDB SEQRES records identifiers only sequences which represent each Class Fold Superfamily Family Protein & Species in SCOP.
Direct access to files, or all files bundled in a gzipped tar file (31 MB).