../ pdb_000021co_xyz-ext-atom_v1-0.xml.gz 03-Jul-2026 15:34 153K pdb_000021co_xyz-no-atom_v1-0.xml.gz 03-Jul-2026 15:34 40K pdb_000021co_xyz_v1-0.cif.gz 03-Jul-2026 15:34 184K pdb_000021co_xyz_v1-0.xml.gz 03-Jul-2026 15:34 251K